A novel diastereoselective multicomponent cascade reactionKriis, Kadri; Ausmees, Kerti; Pehk, Tõnis; Lopp, Margus; Kanger, TõnisProgram and abstracts : BOS 2010 International Conference on Organic Synthesis : Riga, Latvia, June 27-30, 20102010 / p. 117 https://pubs.acs.org/doi/10.1021/ol1005714 A total conformational analysis of diastereomeric esters and calculation of their conformational shielding modelsTamp, Sven; Danilas, Kady; Kreen, Malle; Vares, Lauri; Kiirend, Ene; Vija, Sirje; Pehk, Tõnis; Parve, Omar; Metsala, AndrusJournal of molecular structure : THEOCHEM2008 / 1/3, p. 84-91 : ill https://www.researchgate.net/publication/244272489_A_total_conformational_analysis_of_diastereomeric_esters_and_calculation_of_their_conformational_shielding_models Aerobic oxidation of cyclopentane-1,2-diols to cyclopentane-1,2-diones on Pt/C catalystReile, Indrek; Paju, Anne; Eek, Margus; Pehk, Tõnis; Lopp, MargusSynlett2008 / 3, p. 347-350 https://www.thieme-connect.com/products/ejournals/abstract/10.1055/s-2008-1032056 Alkoxide-based precursors for direct drawing of metal oxide micro- and nanofibresTätte, Tanel; Hussainov, Medhat; Paalo, Madis; Part, Marko; Talviste, Rasmus; Kiisk, Valter; Mändar, Hugo; Põhako, Kaija; Pehk, Tõnis; Reivelt, Kaido; Natali, Marco; Gurauskis, Jonas; Lõhmus, Ants; Mäeorg, UnoScience and technology of advanced materials2011 / [12] p.: ill An advanced intermediate for the synthesis of 9,11-secosterolsJäälaid, Raissa; Järving, Ivar; Pehk, Tõnis; Lille, ÜloProceedings of the Estonian Academy of Sciences. Chemistry1998 / 1, p. 39-43 An assessment of alternative low level calculation methods for the initial selection of conformers of diastereomeric estersMetsala, Andrus; Tamp, Sven; Danilas, Kady; Lille, Ülo; Villo, Ly; Vija, Sirje; Pehk, Tõnis; Parve, OmarJournal of theoretical chemistry2014 / p. 1-10 : ill An NMR and MD modeling insight into nucleation of 1,2-alkanediols : selective crystallization of lipase-catalytically resolved enantiomers from the reaction mixturesParve, Omar; Reile, Indrek; Parve, Jaan; Kasvandik, Sergo; Kudrjašova, Marina; Tamp, Sven; Metsala, Andrus; Villo, Ly; Pehk, Tõnis; Jarvet, Jüri; Vares, LauriJournal of organic chemistry2013 / p. 12795-12801 : ill An NMR spectroscopic investigation of functional group selectivity of lipase-catalysed reactions of 11-acetyl prostaglandins E1 and E2Villo, Ly; Tamp, Sven; Vallikivi, Imre; Järving, Ivar; Pehk, Tõnis; Parve, OmarProceedings of the 9th International Symposium on Biocatalysis and Biotransformations - (Biotrans 2009) Held in Bern, Switzerland 5-9 July 20092010 / p. 66 Anchimeric assistance in the case of vicinal dimesylate : formation of enantiomeric or meso-biomorpholineKanger, Tõnis; Laars, Marju; Kriis, Kadri; Kailas, Tiiu; Müürisepp, Aleksander-Mati; Pehk, Tõnis; Lopp, MargusSynthesis2006 / 11, p. 1853-1857 https://www.researchgate.net/publication/239729268_Anchimeric_Assistance_in_the_Case_of_Vicinal_Dimesylate_Formation_of_Enantiomeric_or_meso_-Bimorpholine Application of 13C-[2]- and 13C-[1,2] acetate in metabolic labelling studies of yeast and insect cellsPaalme, Toomas; Nisamedtinov, Ildar; Abner, Kristo; Laht, Tiiu-Maie; Drews, Monika; Pehk, TõnisAntonie van Leeuwenhoek2006 / 3/4, p. 443-457 https://link.springer.com/article/10.1007/s10482-005-9053-7 Aromaatsete isotsüanaatide intramolekulaarsel tsüklisatsioonil tekkivate kõrvalproduktide eraldamine ja identifitseerimineSchmidt, M.; Eek, Margus; Kanger, Tõnis; Pehk, Tõnis; Lopp, MargusXXV Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 25th Estonian Chemistry Days : abstracts of scientific conference1999 / lk. 156-157 Asendatud (2S,2'S)-bimorfoliinide sünteesLippur, Kristin; Kriis, Kadri; Kailas, Tiiu; Müürisepp, Aleksander-Mati; Pehk, Tõnis; Kanger, TõnisXXX Eesti keemiapäevad : teaduskonverentsi teesid = 30th Estonian Chemistry Days : abstracts of scientific conference2007 / lk. 82-83 Asümmeetriline induktsioon Aldool-Tištsenko reaktsioonil optiliselt aktiivsete binaftoolkatalüsaatoritegaLoog, O.; Mäeorg, U.; Pehk, TõnisXXIII Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid1997 / lk. 68 Asümmeetriliste katalüsaatorite mõnede kiraalsete ligandide sünteesIlmarinen, Kaja; Pehk, Tõnis; Lopp, MargusXXV Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 25th Estonian Chemistry Days : abstracts of scientific conference1999 / lk. 36-37 Asymmetric induction in aldol-Tishchenko reaction with optically active binaphthol catalystsLoog, O.; Mäeorg, U.; Pehk, Tõnis23rd Estonian Chemistry Days : abstracts of scientific conference1997 / p. 77 Asymmetric organocatalytic cascade synthesis of tetrahydro­furanyl spirooxindolesTrubitsõn, Dmitri; Žari, Sergei; Kaabel, Sandra; Kudrjašova, Marina; Kriis, Kadri; Järving, Ivar; Pehk, Tõnis; Kanger, TõnisSynthesis2018 / p. 314-322 : ill https://doi.org/10.1055/s-0036-1590918 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Asymmetric oxidation of 1,2-cyclopentanedionesPaju, Anne; Kanger, Tõnis; Pehk, Tõnis; Lopp, MargusTetrahedron letters2000 / 35, p. 6883-6887 Asymmetric oxidation of 3-alkyl-1,2-cyclopentanedionesPaju, Anne; Kanger, Tõnis; Pehk, Tõnis; Lopp, MargusInternational Conference on Organic Synthesis : Vilnius, 2000, June 26-29 : program and abstracts2000 / p. 64 Asymmetric oxidation of 3-alkyl-1,2-cyclopentanediones. Part 1, 3-hydroxylation of 3-alkyl-1,2-cyclopentanedionesPaju, Anne; Kanger, Tõnis; Pehk, Tõnis; Müürisepp, Aleksander-Mati; Lopp, MargusTetrahedron : asymmetry2002 / p. 2439-2448 https://www.sciencedirect.com/science/article/pii/S095741660200589X Asymmetric oxidation of 3-alkyl-1,2-cyclopentanediones. Part 2, Oxidative ring cleavage of 3-alkyl-1,2-cyclopentanediones : synthesis of 2-alkyl-[gamma]-lactone acidsPaju, Anne; Kanger, Tõnis; Pehk, Tõnis; Lindmaa, Rasmus; Müürisepp, Aleksander-Mati; Lopp, MargusTetrahedron : asymmetry2003 / p.1565-1573 https://www.sciencedirect.com/science/article/pii/S0957416603003094 Asymmetric oxidation of 3-alkyl-1,2-cyclopentanediones. Part 3, Oxidative ring cleavage of 3-hydroxyethyl-1,2-cyclopentanediones : synthesis of [alfa]-hydroxy-[gamma]-lactone acids and spiro-[gamma]-dilactonesPaju, Anne; Kanger, Tõnis; Niitsoo, Olivia; Pehk, Tõnis; Müürisepp, Aleksander-Mati; Lopp, MargusTetrahedron : asymmetry2003 / p. 2393-2399 Asymmetric oxidation of 3-aminoethyl-1,2-cyclopentanedione : synthesis of spiro-g-lactone-g-lactamPaju, Anne; Hohlova, N.; Pehk, Tõnis; Lopp, MargusBalticum Organicum Syntheticum : International Conference on Organic Synthesis : June 29 - July 2, 2008, Vilnius : program and abstract book2008 / p. 143 Asymmetric oxidation of cyclobutanones : modification of the Sharpless catalystKanger, Tõnis; Kriis, Kadri; Paju, Anne; Pehk, Tõnis; Lopp, MargusTetrahedron : asymmetry1998 / p. 4475-4482 Asymmetric oxidation of ketonesLopp, Margus; Paju, Anne; Kanger, Tõnis; Kriis, Kadri; Ilmarinen, Kaja; Pehk, TõnisProceedings of the Estonian Academy of Sciences. Chemistry2001 / 3, p. 124-137 Asymmetric synthesis of 2/alkyl-substituted 2-hydroxyglutaric acid [gamma]-lactonesPaju, Anne; Laos, Marit; Jõgi, Artur; Päri, Malle; Jäälaid, Raissa; Pehk, Tõnis; Kanger, Tõnis; Lopp, MargusTetrahedron letters2006 / 26, p. 4491-4493 https://www.sciencedirect.com/science/article/pii/S004040390600726X Asymmetric synthesis of 2-alkyl-substituted 2-hydroxyglutaric acid [gamma]-lactones: a simple access to dag-lactone templateLaos, Marit; Jõgi, Artur; Päri, Malle; Jäälaid, Raissa; Paju, Anne; Pehk, Tõnis; Kanger, Tõnis; Lopp, MargusInternational Conference on Organic Synthesis : Tallinn, Estonia, June 25-29, 2006 : program and abstracts2006 / p. 108 Asymmetric synthesis of 2-aryl-5-oxotetrahydrofuran-2-carboxylic acidsJõgi, Artur; Paju, Anne; Pehk, Tõnis; Kailas, Tiiu; Müürisepp, Aleksander-Mati; Kanger, Tõnis; Lopp, MargusSynthesis2006 / 18, p. 3031-3036 : ill https://www.thieme-connect.com/products/ejournals/abstract/10.1055/s-2006-950193 Asymmetric synthesis of 2-benzyl- and 2-benzyloxymethyl g-lactone acidsLaos, Marit; Jõgi, Artur; Paju, Anne; Kanger, Tõnis; Pehk, Tõnis; Lopp, Margus14th European Symposium on Organic Chemistry (ESOC14)2005 / p. 309 Asymmetric synthesis of 4'-C-benzyl-2',3'-dideoxynucleoside analogues from 3-benzyl-2-hydroxy-2-cyclopenten-1-oneJõgi, Artur; Ilves, Marit; Paju, Anne; Pehk, Tõnis; Kailas, Tiiu; Müürisepp, Aleksander-Mati; Lopp, MargusTetrahedron : asymmetry2008 / 5, p. 628-634 https://www.researchgate.net/publication/232406405_Asymmetric_synthesis_of_4'-C-benzyl-2'3'-dideoxynucleoside_analogues_from_3-benzyl-2-hydroxy-2-cyclopenten-1-one Asymmetric synthesis of novel C2-symmetric bimorpholinesKanger, Tõnis; Kriis, Kadri; Pehk, Tõnis; Müürisepp, Aleksander-Mati; Lopp, MargusTetrahedron : asymmetry2002 / p. 857-865 Asymmetric synthesis of tertiary 2-substituted 5-oxotetrahyrofuran-2-carboxylic acidsPaju, Anne; Oja, Karolin; Matkevitš, Katharina; Lumi, Priit; Järving, Ivar; Pehk, Tõnis; Lopp, MargusHeterocycles2014 / p. 981-995 : ill Bimorpholine as an organocatalyst for asymmetric aldol condensationKriis, Kadri; Kanger, Tõnis; Laars, Marju; Kailas, Tiiu; Müürisepp, Aleksander-Mati; Pehk, Tõnis; Lopp, MargusInternational Conference on Organic Synthesis : Tallinn, Estonia, June 25-29, 2006 : program and abstracts2006 / p. 104 Bimorpholine-mediated enantioselective intramolecular and intermolecular aldol condensationKanger, Tõnis; Kriis, Kadri; Laars, Marju; Kailas, Tiiu; Müürisepp, Aleksander-Mati; Pehk, Tõnis; Lopp, MargusJournal of organic chemistry2007 / p. 5168-5173 https://pubs.acs.org/doi/10.1021/jo070524i Bitsüklo[3.3.0]oktanooni derivaatide sünteesRaudla, Kristin; Kanger, Tõnis; Müürisepp, Aleksander-Mati; Pehk, Tõnis; Lopp, MargusXXIX Eesti keemiapäevad : teaduskonverentsi ettekannete teesid = 29th Estonian Chemistry Days : abstracts of scientific conference2005 / lk. 94-95 Bitsüklo[3.3.0]oktaanide suhtelise konfiguratsiooni määramine 1H-13C spinn-spinn sidestuskonstantide abilSuun, S.; Pehk, Tõnis; Kaljuste, K.; Tamp, Sven; Jarvet, Jüri; Aav, RiinaXXXII Eesti Keemiapäevad : teaduskonverentsi teesid2011 / lk. 96 : ill C2-symmetric enantiomeric heterocycles : synthesis and applicationKanger, Tõnis; Kriis, Kadri; Ausmees, Kerti; Pehk, Tõnis; Lopp, Margus13th European Symposium on Organic Chemistry : September 10-15, 2003, Cavtat-Dubrovnik, Croatia : programme and abstracts2003 / p. 342 Carboxymethylated beta-cyclodextrinKreen, Malle; Köstner, Ado; Pehk, TõnisBiobalt'92 : Biotechnology in Estonia, Latvia and Lithuania : Tallinn, November 1992 : conference abstracts1992 / p. 36 Catalyzed resolution and simultaneous selective crystallizationParve, Jaan; Vares, Lauri; Reile, Indrek; Pehk, Tõnis; Villo, Ly; Parve, OmarComprehensive organic chemistry experiments for the laboratory classroom2017 / p. 931-934 http://www.ester.ee/record=b4666270*est Catalytic asymmetric synthesis of g-lactone acidsPaju, Anne; Niidu, Allan; Lumi, Priit; Matkevitš, Katharina; Oja, Karolin; Pehk, Tõnis; Lopp, MargusProgram and abstracts : BOS 2010 International Conference on Organic Synthesis : Riga, Latvia, June 27-30, 20102010 Catalytic reduction of sterolsEek, Margus; Allikmaa, Veiko; Pehk, Tõnis; Lopp, Margus24th Estonian Chemistry Days : abstracts of scientific conference1998 / p. 17 Changes in chemical structure of urea-formaldehyde condensates during synthesisSiimer, Kadri; Pehk, Tõnis; Christjanson, PeepInternational Conferences on Polymer Characterization : POLYCHAR-7, January 5-8, 1999 & Short course, January 4, 1999, Denton, USA : program and book of abstracts1999 / p. P-10 Changes in curing behaviour of aminoresins during storageSiimer, Kadri; Kaljuvee, Tiit; Christjanson, Peep; Pehk, TõnisICTAC 13 : 13th International Congress on Thermal Analysis and Calorimetry : XXVI Conference AICAT-GICAT : Chia Laguna, September 12-19, 2004 : book of abstracts2004 / p. 85 https://link.springer.com/article/10.1007/s10973-005-0623-8 Changes in curing behaviour of aminoresins during storageSiimer, Kadri; Kaljuvee, Tiit; Christjanson, Peep; Pehk, TõnisJournal of thermal analysis and calorimetry2005 / p. 123-130 : ill https://link.springer.com/article/10.1007/s10973-005-0623-8 Changes in thermal behaviour of aminoresins at storageSiimer, Kadri; Süld, Tiia-Maaja; Kaljuvee, Tiit; Christjanson, Peep; Pehk, TõnisProgram & abstracts of the 27th Annual Meeting of The Polymer Processing Society - PPS-27 : Marrakech, Morocco, May 10-14, 20112011 / p. P-13-1250 Characterisation of ageing of melamine-formaldehyde resins by NMR spectroscopySiimer, Kadri; Pehk, Tõnis; Suurpere, AimeNordic Polymer Days 2000 : Helsinki, 24-26 May 20002000 / [1] p Characterization of urea-formaldehyde condensation by 13C NMR spectroscopySiimer, Kadri; Pehk, Tõnis; Christjanson, PeepStambiamolekuliu junginiu chemija ir technologija = Polymer chemistry and technology : konferencijos pranešimu medžiaga1999 / p. 61-66: ill Chemical structure of melamine-formaldehyde resinsPehk, Tõnis; Christjanson, Peep; Siimer, KadriPolychar World Forum on Polymer Applications and Theory : POLYCHAR-9, January 9-12, 2001 & short course January 8, 2001, University of North Texas, Denton, USA : program and book of abstracts2001 / p. P-70 Chemical versus enzymatic acetylation of [alfa]-bromo-[oomega]-hydroxyaldehydes : decyclization of hemiacetals by lipaseVillo, Ly; Metsala, Andrus; Parve, Omar; Pehk, TõnisTetrahedron letters2002 / p. 3203-3207 A chemoenzymatic stereoselective synthesis of deoxy sugar esters of amino acidsVillo, Ly; Pehk, Tõnis; Parve, OmarProgram and abstracts : BOS 2010 International Conference on Organic Synthesis : Riga, Latvia, June 27-30, 20102010 / p. ? A chemoenzymatic synthesis of a deoxy sugar ester of N-Boc-protected L-tyrosineVillo, Ly; Kreen, Malle; Kudrjašova, Marina; Metsala, Andrus; Tamp, Sven; Lille, Ülo; Pehk, Tõnis; Parve, OmarPractical methods for biocatalysis and biotransformations. 22012 / p. 335-339 https://www.sciencedirect.com/science/article/pii/S1381117710002511 A chemoenzymatic synthesis of deoxy sugar esters involving stereoselective acetylation of hemiacetals catalyzed by CALBVillo, Ly; Kreen, Malle; Metsala, Andrus; Tamp, Sven; Lille, Ülo; Pehk, Tõnis; Parve, Omar; Kudrjašova, MarinaJournal of molecular catalysis B : enzymatic2011 / p. 44-51 https://www.sciencedirect.com/science/article/abs/pii/S1381117710002511 Colloid food additives from red and brown algae of the Baltic Sea : structure and rheologyVaher, Merike; Truus, Kalle; Menert, Anne; Pehk, Tõnis1st Nordic-Baltic Meeting on Surface and Colloid Science : August 21-25, 1999, Vilnius, Lithuania : program and abstracts1999 / p. 77 A comparative study of asymmetric Baeyer-Villiger oxidation of cyclic ketonesKanger, Tõnis; Kriis, Kadri; Paju, Anne; Kallas, Kaja; Pehk, Tõnis; Lopp, Margus10th IUPAC Symposium on Organo-Metallic Chemistry directed towards Organic Synthesis : 18-22 July, 1999, Versailles (France) : final program1999 / p. P232 A comparative study of the synthesis of C2-symmetric chiral 2,2'-biaziridinylsn of 3-alkyl-1,2-cyclopentanedionesKanger, Tõnis; Ausmees, Kerti; Müürisepp, Aleksander-Mati; Pehk, Tõnis; Lopp, MargusSynlett2003 / p. 1055-1057 https://doi.org/10.1055/s-2003-39303 A comparative study of the synthesis of C2-symmetric chiral 2,2'-bisaziridinylsKanger, Tõnis; Ausmees, Kerti; Müürisepp, Aleksander-Mati; Pehk, Tõnis; Lopp, MargusKomppa Centenary Symposium : July 6-9, 2003, Espoo, Finland : abstracts2003 / p. A44 Complex investigation of composition of the brown alga Fucus vesiculosus (The Baltic Sea) by different instrumental methodsVaher, Merike; Truus, Kalle; Koel, Mihkel; Pehk, Tõnis; Taure, Imants; Viitak, AnuIMA'03 : 3rd International Conference : Instrumental Methods of Analysis Modern Trends and Applications : 23-27 September 2003, Thessaloniki, Greece : conference proceedings2003 / p. 238-240 : ill Composition and structure of summary polysaccharide from the red alga Furcellaria lumbricalisVaher, Merike; Truus, Kalle; Taure, Imants; Leito, Ivo; Lahe, Lilja; Kallavus, Urve; Pehk, TõnisProceedings of the Estonian Academy of Sciences. Chemistry1998 / 2, p. 51-59: ill A convenient method for the construction of the imidazolone ring in the synthesis of benzamidine derivativesAllikmaa, Veiko; Eek, Margus; Pehk, Tõnis; Lopp, MargusProceedings of the Estonian Academy of Sciences. Chemistry2001 / 3, p. 180-185 Crucial gel-forming processes of red algal galactans [Electronic resource]Tuvikene, Rando; Truus, Kalle; Volobujeva, Olga; Mellikov, Enn; Pehk, TõnisWorld Polymer Congress : 41st International Symposium on Macromolecules : MACRO 2006 : 16-21 July 2006, Rio de Janeiro, Brazil2006 / [CD-ROM] Cure-accelerated phenol-formaldehyde resinsSiimer, Kadri; Kaljuvee, Tiit; Christjanson, Peep; Pehk, Tõnis; Saks, ImreKemian Päivat = Kemidagarna = Finnish Chemical Congress : 27.-29.3.2007 : abstraktit = abstracts2007 / p. 38 Curing behaviour of resol phenol-formaldehyde resinsSiimer, Kadri; Kaljuvee, Tiit; Christjanson, Peep; Pehk, Tõnis; Saks, ImreBaltic Polymer Symposium 2007 : Druskininkai, Lithuania, September 19-21, 2007 : programme and book of abstracts2007 / p. 131 Curing behaviour of urea-modified phenol-formaldehyde resinSiimer, Kadri; Süld, Tiia-Maaja; Kaljuvee, Tiit; Christjanson, Peep; Pehk, TõnisBook of abstracts of the Polymer Processing Society 9th Annual Meeting PPS-09 : Larnaca, Cypros, October 18-21, 20092009 / p. P-190 Cyclopentane-1,2-dione and cyclopent-2-en-1-one in asymmetric organocatalytic reactions = Tsüklopentaan-1,2-diooni ja tsüklopent-2-een-1-ooni asümmeetrilised organokatalüütilised reaktsioonidPreegel, Gert2016 https://www.ester.ee/record=b4570177*est Derivatisation of Grieco lactoneAav, Riina; Kanger, Tõnis; Pehk, Tõnis; Riismandel, A.; Lopp, MargusInternational Conference on Organic Synthesis : Tallinn, Estonia, June 25-29, 2006 : program and abstracts2006 / p. 55 Designed whole-cell-catalysis-assisted synthesis of 9,11-secosterolsKõllo, Marek; Kasari, Marje; Kasari, Villu; Pehk, Tõnis; Järving, Ivar; Lopp, Margus; Jõers, Arvi; Kanger, TõnisBeilstein journal of organic chemistry2021 / p. 581–588 https://doi.org/10.3762/bjoc.17.52 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Determination of isotope effects on acid-base equilibria by 13C NMR spectroscopyPehk, Tõnis; Kiirend, E.; Lippmaa, Endel; Ragnarsson, U.; Grehn, L.Journal of the Chemical Society. Perkin transactions1997 / 2, p. 445-450 Diastereoselective multicomponent cascade reaction for the synthesis of heterobicyclic heptanesKriis, Kadri; Ausmees, Kerti; Plado, Anita; Pehk, Tõnis; Lopp, Margus; Kanger, Tõnis8th Biennial International Conference on Organic Synthesis : Balticum Organicum Syntheticum : July 6-9, 2014, Vilnius : program and abstract book2014 Diastereoselective multicomponent cascade reaction leading to [3.2.0]-heterobicyclic compoundsAusmees, Kerti; Kriis, Kadri; Pehk, Tõnis; Werner, Franz; Järving, Ivar; Lopp, Margus; Kanger, TõnisThe journal of organic chemistry2012 / p. 10680-10687 : ill https://pubs.acs.org/doi/abs/10.1021/jo3019413 Diastereoselektiivne multikomponentne kaskaadreaktsioonKriis, Kadri; Pehk, Tõnis; Kanger, Tõnis; Lopp, MargusXXXI Eesti keemiapäevad : [28. aprill 2010, Tallinn] : teaduskonverentsi teesid = 31st Estonian Chemistry Days : abstracts of scientific conference2010 / lk. 14 Diasteroselective multicomponent cascade reaction leading to heterobicyclic heptanesAusmees, Kerti; Kriis, Kadri; Pehk, Tõnis; Lopp, Margus; Kanger, TõnisBOS 2012 : International Conference on Organic Synthesis : July 1-4, 2012, Tallinn, Estonia : program and abstracts2012 / p. 51 https://pubs.acs.org/doi/abs/10.1021/jo3019413 Direct asymmetric [alfa]-hydroxylation of 2-hydroxymethyl ketonesPaju, Anne; Kanger, Tõnis; Pehk, Tõnis; Lopp, MargusTetrahedron2002 / p. 7321-7326 Direct asymmetric alpha-hydroxylation of beta-hydroxyketonesLopp, Margus; Paju, Anne; Kanger, Tõnis; Pehk, TõnisTetrahedron letters1997 / 28, p. 5051-5054 Direct asymmetric alpha-hydroxylation of beta-hydroxyketonesLopp, Margus; Paju, Anne; Kanger, Tõnis; Pehk, Tõnis23rd Estonian Chemistry Days : abstracts of scientific conference1997 / p. 79 Direct asymmetric alpha-hydroxylation of beta-hydroxyketonesKanger, Tõnis; Paju, Anne; Pehk, Tõnis; Lopp, MargusOMCOS 9 : 9th IUPAC Symposium Organometallic Chemistry, directed towards organic synthesis : final program1997 / p. 373 Eesti karbamiidvaigudSiimer, Kadri; Saks, Imre; Christjanson, Peep; Pehk, Tõnis; Suurpere, Aime; Kaljuvee, TiitXXIX Eesti keemiapäevad : teaduskonverentsi ettekannete teesid = 29th Estonian Chemistry Days : abstracts of scientific conference2005 / lk. 101-102 Effect of alkylresorcinols on curing behaviour of phenol-formaldehyde resinsSiimer, Kadri; Kaljuvee, Tiit; Christjanson, Peep; Pehk, Tõnis; Saks, ImreESTAC 9 : 9th European Symposium on Thermal Analysis and Calorimetry : 27-31 August 2006, Krakow, Poland : [book of abstracts]2006 / p. 165 Effect of alkylresorcinols on curing behaviour of phenol-formaldehyde resol resinSiimer, Kadri; Kaljuvee, Tiit; Christjanson, Peep; Pehk, Tõnis; Saks, ImreJournal of thermal analysis and calorimetry2008 / 2, p. 365-373 : ill https://link.springer.com/article/10.1007/s10973-007-8449-1 Effect of alkylresorcinols on curing behaviour of phenol-formaldehyde resol resinSiimer, Kadri; Kaljuvee, Tiit; Christjanson, Peep; Pehk, Tõnis; Saks, ImreJournal of thermal analysis and calorimetry2007 / [9] p. : ill Effect of the chiral catalyst in asymmetric Baeyer-Villiger oxidation of cyclic ketonesKriis, Kadri; Kanger, Tõnis; Paju, Anne; Ilmarinen, Kaja; Pehk, Tõnis; Lopp, MargusInternational Conference on Organic Synthesis : Vilnius, 2000, June 26-29 : program and abstracts2000 / p. 51 Ekstraktsioon ja keemiline töötlus kõrgekvaliteetsete karraginaanide saamiseksTuvikene, Rando; Robal, Marju; Ikart, A.-L.; Truus, K.; Mellikov, Enn; Pehk, TõnisXXX Eesti keemiapäevad : teaduskonverentsi teesid = 30th Estonian Chemistry Days : abstracts of scientific conference2007 / lk. 169-170 Enantiomeersete laktoonhapete katalüütiline asümmeetriline sünteesPaju, Anne; Niidu, Allan; Lumi, Priit; Matkevitš, Katharina; Oja, Karolin; Pehk, Tõnis; Lopp, MargusXXXI Eesti keemiapäevad : [28. aprill 2010, Tallinn] : teaduskonverentsi teesid = 31st Estonian Chemistry Days : abstracts of scientific conference2010 / lk. 61 Enantioselective organocatalytic Michael addition of cyclopentane-1,2-diones to electrophilesPreegel, Gert; Noole, Artur; Kanger, Tõnis; Pehk, Tõnis; Lopp, Margus8th Biennial International Conference on Organic Synthesis : Balticum Organicum Syntheticum : July 6-9, 2014, Vilnius : program and abstract book2014 Enantioselective organocatalytic Michael addition of cyclopentane-1,2-diones to electrophilesPreegel, Gert; Noole, Artur; Ilmarinen, Kaja; Järving, Ivar; Kanger, Tõnis; Pehk, Tõnis; Lopp, Margus248th ACS National Meeting and Exposition : August 10-14, 2014, San Francisco, CA : Chemistry and Global Stewardship2014 / [1] p. : ill Enantioselective organocatalytic Michael addition of cyclopentane-1,2-diones to nitro olefinsPreegel, Gert; Noole, Artur; Ilmarinen, Kaja; Järving, Ivar; Kanger, Tõnis; Pehk, Tõnis; Lopp, MargusTÜ ja TTÜ doktorikool "Funktsionaalsed materjalid ja tehnoloogiad" : 04.-05. märts 2014, Tartu2014 / [1] p. : ill Enantioselective organocatalytic Michael addition of cyclopentane-1,2-diones to nitroolefinsPreegel, Gert; Noole, Artur; Ilmarinen, Kaja; Järving, Ivar; Kanger, Tõnis; Pehk, Tõnis; Lopp, MargusSynthesis2014 / p. 2595-2600 : ill Enantioselective organocatalytic Michael addition–cyclization cascade of cyclopentane-1,2-dione with substituted (E)-2-oxobut-3-enoatesPreegel, Gert; Ilmarinen, Kaja; Järving, Ivar; Kanger, Tõnis; Pehk, Tõnis; Lopp, MargusSynthesis2015 / p. 3805-3812 : ill Enantioselective synthesis of Wieland-Miescher ketone through biomorpholine-catalyzed organocatalytic aldol condensationKriis, Kadri; Kanger, Tõnis; Laars, Marju; Kailas, Tiiu; Müürisepp, Aleksander-Mati; Pehk, Tõnis; Lopp, MargusSynlett2006 / 11, p. 1699-1702 https://www.researchgate.net/publication/237887633_Enantioselective_Synthesis_of_Wieland-Miescher_Ketone_through_Bimorpholine-Catalyzed_Organocatalytic_Aldol_Condensation Endel Lippmaa 70Pehk, TõnisProceedings of the Estonian Academy of Sciences. 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Chemistry1998 / 4, p. 196-199 https://artiklid.elnet.ee/record=b2308819*est Fragmentation of PAMAM dendrimers in methanolPeterson, Janek; Allikmaa, Veiko; Pehk, Tõnis; Lopp, MargusProceedings of the Estonian Academy of Sciences. Chemistry2001 / 3, p. 167-172 : ill General approach to measurements of pKa differences by C NMR spectroscopyPehk, Tõnis; Kiirend, E.; Lippmaa, Endel; Ragnarsson, U.Journal of the Chemical Society. Perkin transactions1996 / 2, p. 2351-2367 Hydroxymethylation and polycondensation reactions in urea-formaldehyde resin synthesisChristjanson, Peep; Pehk, Tõnis; Siimer, KadriJournal of applied polymer science2006 / p. 1673-1680 : ill https://www.researchgate.net/publication/230275426_Hydroxymethylation_and_polycondensation_reactions_in_urea-formaldehyde_resin_synthesis Impact of short-term heat treatment on the structure and functional properties of commercial furcellaran compared to commercial carrageenansEha, Kairit; Pehk, Tõnis; Heinmaa, Ivo; Kaleda, Aleksei; Laos, KatrinHeliyon2021 / art. e06640 https://doi.org/10.1016/j.heliyon.2021.e06640 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Industrial exploitation of the algal stratum from Kassari Bay (the Baltic Sea, Estonia)Vaher, M.; Truus, Kalle; Sarapuu, M.; Pehk, Tõnis; Kukk, H.; Kollist, A.23rd Estonian Chemistry Days : abstracts of scientific conference1997 / p. 158 Inglise-eesti-vene keemia sõnaraamat1998 https://www.ester.ee/record=b1190326*est Intramolecular SN1 ring-opening reaction of oxiraneMartin, Ivar; Aav, Riina; Pehk, Tõnis; Claesson, Alf24th Estonian Chemistry Days : abstracts of scientific conference1998 / p. 44 Investigation of kukersite structure using NMR and oxidative cleavage : on the nature of phenolic precursors in the kerogen of Estonian kukersiteLille, Ülo; Heinmaa, I.; Müürisepp, Aleksander-Mati; Pehk, TõnisOil shale2002 / 2, p. 101-116 : ill https://www.researchgate.net/publication/288156758_Investigation_of_kukersite_structure_using_NMR_and_oxidative_cleavage_On_the_nature_of_phenolic_precursors_in_the_kerogen_of_Estonian_kukersite Investigation of the synthesis of hydroxylated cyclopentanedionesNiidu, Allan; Paju, Anne; Eek, Margus; Kanger, Tõnis; Pehk, Tõnis; Lopp, MargusInternational Conference on Organic Synthesis : June 27-July 1, 2004, Riga, Latvia : program & abstracts2004 / p. 116 Isomers and conformers of complexes of Ti(OiPr)4 with cuclopentane-1,2-dione : NMR study and DFT calculationsOsadchuk, Irina; Pehk, Tõnis; Paju, Anne; Lopp, Margus; Öeren, Mario; Tamm, ToomasInternational journal of quantum chemistry2014 / p. 1012-1018 : ill Isosorbide-based polymers as alternatives to conventional plasticsMatt, Livia; Laanesoo, Siim; Bonjour, Olivier; Parve, Jaan; Parve, Omar; Pehk, Tõnis; Pham, Thanh Huong; Liblikas, Ilme; Jannasch, Patric; Vares, LauriAbstract from Baltic Polymer Symposium 2022, Tallinn, Estonia2022 https://taltech.ee/en/BPS2022 (2S,2'S)- ja (3S,3'S)-bimorfoliini sünteesKriis, Kadri; Kanger, Tõnis; Pehk, Tõnis; Lopp, MargusXXVIII Eesti keemiapäevad : teaduskonverentsi ettekannete teesid = 28th Estonian Chemistry Days : abstracts of scientific conference2002 / lk. 60-61 2-metüül-3-tsüano-tsükloheks-2-een-1-ooni sünteesNiidu, Allan; Maasalu, A.; Müürisepp, Aleksander-Mati; Pehk, Tõnis; Lopp, MargusXXV Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 25th Estonian Chemistry Days : abstracts of scientific conference1999 / lk. 113 2-metüülasendatud allüülderivaatide sünteesLääts, K.; Pehk, Tõnis; Schmidt, M.; Heinväli, M.XVI Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 16th Estonian chemistry days : abstracts of scientific conference1995 / lk. 76-78: ill 2-metüül-pentaan-2,4-diooli dehüdratatsioonLääts, K.; Pehk, TõnisXVI Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 16th Estonian chemistry days : abstracts of scientific conference1995 / lk. 75-76 Kaugmõju efektid karboksüülhapete ja nende derivaatide 13C TMR spektritesPehk, TõnisXXIII Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid1997 / lk. 101 KeemianomenklatuurTuulmets, Ants2000 Kinetic resolution of epoxy alcohols with the Sharpless Ti isopropoxide/tartaric ester complexMaljutenko, Karolin; Paju, Anne; Pehk, Tõnis; Järving, Ivar; Lopp, MargusBalticum Organicum Syntheticum : 3-6 July 2016, Riga, Latvia : program and abstracts2016 / p. 112 : ill http://www.boschem.eu/public/BOS2016/BOS-2016_Anstract-Book_Final.pdf Kinetic resolution of epoxy alcohols with the Sharpless Ti-isopropoxide/tartaric ester complexMaljutenko, Karolin; Paju, Anne; Järving, Ivar; Pehk, Tõnis; Lopp, MargusTetrahedron : asymmetry2016 / p. 608-613 : ill https://doi.org/10.1016/j.tetasy.2016.05.007 Kiraalsete C2-sümmeetriliste bisasiridiinide sünteesKanger, Tõnis; Ausmees, Kerti; Pehk, Tõnis; Lopp, MargusXXVIII Eesti keemiapäevad : teaduskonverentsi ettekannete teesid = 28th Estonian Chemistry Days : abstracts of scientific conference2002 / lk. 43-44 3-alküül-1,2-tsüklopentaandioonide asümmeetriline oksüdatsioonPaju, Anne; Kanger, Tõnis; Pehk, Tõnis; Lopp, MargusXXVI Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 26th Estonian Chemistry Days : abstracts of scientific conference2000 / lk. 102-103 3-asabitsüklo[3.2.0]heptaani derivaatide stereoselektiivne sünteesKriis, Kadri; Pehk, Tõnis; Kanger, Tõnis; Lopp, MargusXXXII Eesti Keemiapäevad : teaduskonverentsi teesid2011 / lk. 46 : ill 3-bensüül-2,4-dihüdroksütsüklopent-2-eenoonide süntees ja asümmeetriline oksüdatsioonOja, Karolin; Paju, Anne; Pehk, Tõnis; Lopp, MargusXXXII Eesti Keemiapäevad : teaduskonverentsi teesid2011 / lk. 66 : ill 3-bensüül-2-hüdroksü-2-tsüklopenteen-1-ooni süntees ja selle asümmeetriline oksüdatsioonJõgi, Artur; Ilves, M.; Paju, Anne; Pehk, Tõnis; Lopp, MargusXXIX Eesti keemiapäevad : teaduskonverentsi ettekannete teesid = 29th Estonian Chemistry Days : abstracts of scientific conference2005 / lk. 23-24 3-bensüüloksümetüül-1,2-tsüklopentaandiooni süntees ja asümmeetriline oksüdatsioonLaos, Marit; Paju, Anne; Kanger, Tõnis; Lopp, Margus; Pehk, TõnisXXIX Eesti keemiapäevad : teaduskonverentsi ettekannete teesid = 29th Estonian Chemistry Days : abstracts of scientific conference2005 / lk. 52-53 3-hüdroksümetüül-1,3,6-heksaantriooli asümmeetriline süntees ja titaanikompleksi valmistaminePäri, Malle; Paju, Anne; Pehk, Tõnis; Lopp, MargusXXIX Eesti keemiapäevad : teaduskonverentsi ettekannete teesid = 29th Estonian Chemistry Days : abstracts of scientific conference2005 / lk. 92-93 Käeliste tetrahüdrofuraani analoogide sünteesNiidu, Allan; Paju, Anne; Kislitsõn, Konstantin; Kailas, Tiiu; Müürisepp, Aleksander-Mati; Pehk, Tõnis; Lopp, MargusXXX Eesti keemiapäevad : teaduskonverentsi teesid = 30th Estonian Chemistry Days : abstracts of scientific conference2007 / lk. 104-105 Lihtne meetod enantiomeerse trans-3,4-epoksü-1-oktüüni sünteesiks viinhappe derivaadistLopp, Margus; Kanger, Tõnis; Niidas, Piret; Pehk, TõnisXVI Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 16th Estonian chemistry days : abstracts of scientific conference1995 / lk. 66-67 Lipase-catalysed acylation of prostanoidsParve, Omar; Järving, Ivar; Martin, Ivar; Metsala, Andrus; Vallikivi, Imre; Aidnik, Madis; Pehk, Tõnis; Samel, NigulasBioorganic & medicinal chemistry letters1999 / p. 1853-1858: ill Lipase-catalysed enantioselective hydrolysis : interpretation of the kinetic results in terms of frontier orbital localisationParve, Omar; Vallikivi, Imre; Metsala, Andrus; Lille, Ülo; Tõugu, Vello; Sikk, Peeter; Käämbre, Tuuli; Vija, Heiki; Pehk, TõnisTetrahedron1997 / 13, p. 4889-4900 Lipase-catalysed enantioselective hydrolysis of bicyclo[3.2.0]heptanol esters in supercritical carbon dioxideParve, Omar; Vallikivi, Imre; Lahe, Lilja; Metsala, Andrus; Lille, Ülo; Tõugu, Vello; Vija, Heiki; Pehk, TõnisBioorganic & medicinal chemistry letters1997 / 7, p. 811-816 Lipase-catalysed regioselective acylation/deacylation of prostanoidsVallikivi, Imre; Järving, Ivar; Metsala, Andrus; Pehk, Tõnis; Parve, OmarInternational Conference on Organic Synthesis : Vilnius, 2000, June 26-29 : program and abstracts2000 / p. 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Serija 1, Material science and applied chemistry2007 / p. 48-55 Mechanism of the asymmetric oxidation of cyclopentane-1,2-dionesReile, Indrek; Paju, Anne; Pehk, Tõnis; Lopp, MargusBalticum Organicum Syntheticum : International Conference on Organic Synthesis : June 29 - July 2, 2008, Vilnius : program and abstract book2008 / p. 155 Melamiinformaldehüüd-immutusvaigudSiimer, Kadri; Pehk, Tõnis; Vetik, Ü.; Suurpere, AimeXXVI Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 26th Estonian Chemistry Days : abstracts of scientific conference2000 / lk. 133-134 Melamiin-karbamiid-formaldehüüdvaikude kõvenemisprotsessi uurimineSiimer, Kadri; Kaljuvee, Tiit; Christjanson, Peep; Pehk, Tõnis; Lasn, Ilmar; Saks, ImreXXX Eesti keemiapäevad : teaduskonverentsi teesid = 30th Estonian Chemistry Days : abstracts of scientific conference2007 / lk. 151-152 Melamine-urea-formaldehyde resins for particleboardsSiimer, Kadri; Pehk, Tõnis; Lasn, Ilmar; Peterson, AleksanderNordic Polymer Days 1999 : Copenhagen, 31. 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P9 Mild oxidation of substituted bicyclo[4.4.0]dec-10-en-3-oneAav, Riina; Kanger, Tõnis; Pehk, Tõnis; Lopp, Margus9th Meeting on Stereochemistry : Prague, Czech Republic, June 15-18, 2001 : book of abstracts2001 / p. 95 https://www.researchgate.net/publication/228068775_OXIDATION_OF_SUBSTITUTED_BICYCLO440DECEN-3-ONES Molecular model of Estonian kukersite kerogen evaluated by 13C MAS NMR spectraLille, Ülo; Heinmaa, I.; Pehk, TõnisFuel2003 / p. 799-804 : ill https://www.sciencedirect.com/science/article/pii/S0016236102003587 MPA in the determination of the absolute configuration of vicinal diols by NMR spectroscopyIlmarinen, Kaja; Pehk, Tõnis; Lopp, MargusInternational Conference on Organic Synthesis : June 27-July 1, 2004, Riga, Latvia : program & abstracts2004 / p. 87 Negishi cross-coupling for the synthesis 1,2-cyclopentanediones : a short way to lycoperdic acid and its homoanalogueKostomarova, Diana; Paju, Anne; Pehk, Tõnis; Lopp, Margus8th Biennial International Conference on Organic Synthesis : Balticum Organicum Syntheticum : July 6-9, 2014, Vilnius : program and abstract book2014 / p. 81 4'-asendatud nukleosiidi analoogide süntees ja nende bioloogiline aktiivsusJõgi, Artur; Jäälaid, Raissa; Paju, Anne; Pehk, Tõnis; Lopp, MargusXXXI Eesti keemiapäevad : [28. aprill 2010, Tallinn] : teaduskonverentsi teesid = 31st Estonian Chemistry Days : abstracts of scientific conference2010 / lk. 36 4'-bensüül-asendatud nukleosiidi analoogide sünteesJõgi, Artur; Paju, Anne; Pehk, Tõnis; Siirde, K.; Lopp, MargusXXX Eesti keemiapäevad : teaduskonverentsi teesid = 30th Estonian Chemistry Days : abstracts of scientific conference2007 / lk. 42-43 4-metüül-5,6-dekaandiooni sünteesLüll, M.; Paju, Anne; Pehk, Tõnis; Lopp, MargusXXV Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 25th Estonian Chemistry Days : abstracts of scientific conference1999 / lk. 89-90 New cytotoxic sterols from the soft coral Gersemia fruticosaKoljak, Reet; Lopp, Annika; Pehk, Tõnis; Varvas, Külliki; Müürisepp, Aleksander-Mati; Järving, Ivar; Samel, NigulasTetrahedron1998 / p. 179-186 NMR monitoring of lipase-catalyzed reactions of prostaglandins : preliminary estimation of reaction velocitiesVallikivi, Imre; Järving, Ivar; Pehk, Tõnis; Samel, Nigulas; Tõugu, Vello; Parve, OmarJournal of molecular catalysis B : enzymatic2004 / p. 15-19 : ill NMR study of the remote activation of the nucleophilicity of isatin iminesKudrjašova, Marina; Žari, Sergei; Pehk, Tõnis; Kanger, Tõnis8th Biennial International Conference on Organic Synthesis : Balticum Organicum Syntheticum : July 6-9, 2014, Vilnius : program and abstract book2014 / p. 87 Novel biobased alternatives to conventional polymersMatt, Livia; Parve, Jaan; Parve, Omar; Pehk, Tõnis; Liblikas, Ilme; Laanesoo, Siim; Bonjour, Olivier; Pham, T.H.; Faisal, M.; Vares, L.; Jannasch, PatricFrontiers in Organic Synthesis : Dedicated to the 70th birthday of Professor Margus Lopp, Tallinn, 15th November 20192019 / p. 7 https://www.ttu.ee/public/k/keemia-ja-biotehnoloogia-instituut/pildid/Booklet.pdf A novel diastereoselective multicomponent cascade reactionKriis, Kadri; Ausmees, Kerti; Pehk, Tõnis; Lopp, Margus; Kanger, TõnisOrganic letters2010 / p. 2230-2233 https://doi.org/10.1021/ol1005714 O-alkylation of hydroxycarboxylic acids with (-)-menthyl bromoacetate affords bridged diastereomeric estersVeskilt, Eva; Tamp, Sven; Parve, Jaan; Vares, Lauri; Pehk, Tõnis; Villo, Ly; Parve, OmarBOS 2012 : International Conference on Organic Synthesis : July 1-4, 2012, Tallinn, Estonia : program and abstracts2012 / p. 194 Organocatalytic asymmetric synthesis of trisubstituted pyrrolidines via a cascade reactionNoole, Artur; Pehk, Tõnis; Lopp, Margus; Kanger, TõnisBOS 2012 : International Conference on Organic Synthesis : July 1-4, 2012, Tallinn, Estonia : program and abstracts2012 / p. 144 https://www.sciencedirect.com/science/article/pii/S0957416612000912 Organocatalytic asymmetric synthesis of trisubstituted pyrrolidines via a cascade reactionNoole, Artur; Pehk, Tõnis; Järving, Ivar; Lopp, Margus; Kanger, TõnisTetrahedron : asymmetry2012 / p. 188-198 : ill https://www.sciencedirect.com/science/article/pii/S0957416612000912 Os-catalyzed dihydroxylation : an efficient method for desymmetrization of 2-allyl-2-methyl-1,3-cyclopentanedioneRaudla, Kristin; Lopp, Margus; Aav, Riina; Kanger, Tõnis; Pehk, TõnisOMCOS 13 : 13th IUPAC International Symposium on Organometallic Chemistry directed towards Organic Synthesis : 17-21 July 2005, Geneva Switzerland : book of abstracts2005 / p. P-478 Otsene beeta-hüdroksüketoonide asümmeetriline alfa-hüdroksüleerimineLopp, Margus; Paju, Anne; Kanger, Tõnis; Pehk, TõnisXXIII Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid1997 / lk. 70 Oxidation of 3-alkyl-1,2-cyclopentanediones : synthesis of lactone acids and spirodilactonesLopp, Margus; Paju, Anne; Kanger, Tõnis; Pehk, Tõnis13th European Symposium on Organic Chemistry : September 10-15, 2003, Cavtat-Dubrovnik, Croatia : programme and abstracts2003 / p. 101 Oxidation of cyclobutanones with the modified Sharpless catalystKanger, Tõnis; Kriis, Kadri; Paju, Anne; Pehk, Tõnis; Lopp, MargusOMCOS 9 : 9th IUPAC Symposium on Organometallic Chemistry, directed towards organic synthesis : final program1997 / p. 362 Oxidation of cyclobutanones with the modified Sharpless catalystKriis, Kadri; Kanger, Tõnis; Paju, Anne; Pehk, Tõnis; Lopp, Margus23rd Estonian Chemistry Days : abstracts of scientific conference1997 / p. 62 Oxidation of cyclobutanones with the modified sharpless catalyst. 2, Effect of chiral ligandKriis, Kadri; Kanger, Tõnis; Paju, Anne; Pehk, Tõnis; Lopp, Margus24th Estonian Chemistry Days : abstracts of scientific conference1998 / p. 32 Oxidation of cyclopentane-1,2-dione: a study with 18O labeled reagentsReile, Indrek; Paju, Anne; Müürisepp, Aleksander-Mati; Pehk, Tõnis; Lopp, MargusTetrahedron2011 / p. 5942-5948 Oxidation of cyclopentanedionesPaju, Anne; Kanger, Tõnis; Pehk, Tõnis; Lopp, Margus11th European Symposium on Organic Chemistry : Göteborg, Sweden, July 23-28, 1999 : programme and abstracts1999 / p. P102 Oxidation of cyclopentanedionesPaju, Anne; Kanger, Tõnis; Pehk, Tõnis; Lopp, Margus24th Estonian Chemistry Days : abstracts of scientific conference1998 / p. 53 Oxidation of substituted bicyclo[4.4.0]decen-3-onesAav, Riina; Kanger, Tõnis; Pehk, Tõnis; Lopp, MargusProceedings of the Estonian Academy of Sciences. Chemistry2001 / 3, p. 138-146 https://artiklid.elnet.ee/record=b1007942*est Oxidative ring cleavage of 3-hydroxyethyl-1,2-cyclopentanediones : synthesis of 4-hydroxy-[??]-lactone acids and spiro-[??]-dilactonesPaju, Anne; Kanger, Tõnis; Niitsoo, Olivia; Pehk, Tõnis; Müürisepp, Aleksander-Mati; Lopp, MargusKomppa Centenary Symposium : July 6-9, 2003, Espoo, Finland : abstracts2003 / p. 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P036 Synthesis of (2S,2'S)-and (3R,3'R)-bimorpholineKriis, Kadri; Kanger, Tõnis; Pehk, Tõnis; Lopp, Margus9th Meeting on Stereochemistry : Prague, Czech Republic, June 15-18, 2001 : book of abstracts2001 / p. 143 Synthesis of (2s,2'S)-bimorpholineKriis, Kadri; Kanger, Tõnis; Pehk, Tõnis; Lopp, MargusProceedings of the Estonian Academy of Sciences. Chemistry2001 / 3, p. 173-179 Synthesis of (2S,2'S)-bimorpholine N,N'-quaternary salts as chiral phase transfer catalystsLippur, Kristin; Kanger, Tõnis; Kriis, Kadri; Kailas, Tiiu; Müürisepp, Aleksander-Mati; Pehk, Tõnis; Lopp, MargusTetrahedron: asymmetry2007 / p. 137-141 Synthesis of 3,4-dideoxy ribose esters: a novel chemoenzymatic approach to synthesis of activated, extended-chain glycoconjugatesVillo, Ly; Danilas, Kady; Metsala, Andrus; Pehk, Tõnis; Parve, OmarInternational Conference on Organic Synthesis : Tallinn, Estonia, June 25-29, 2006 : program and abstracts2006 / p. 164 Synthesis of 3-hydroxymethyl-1,3,6-hexanetriol from chiral spirodilactonePäri, Malle; Lüll, M.; Paju, Anne; Pehk, Tõnis; Lopp, MargusInternational Conference on Organic Synthesis : Tallinn, Estonia, June 25-29, 2006 : program and abstracts2006 / p. 129 Synthesis of 3-phenyl-2-hydroxy-2-cyclopenten-1-ones and their asymmetric oxidationJõgi, Artur; Paju, Anne; Pehk, Tõnis; Müürisepp, Aleksander-Mati; Kailas, Tiiu; Lopp, MargusInternational Conference on Organic Synthesis : Tallinn, Estonia, June 25-29, 2006 : program and abstracts2006 / p. 100 Synthesis of 3-substituted 1,2-cyclopentanediones via palladium-catalyzed cross-coupling reactionsPaju, Anne; Kostomarova, Diana; Pehk, Tõnis; Lopp, MargusBOS 2012 : International Conference on Organic Synthesis : July 1-4, 2012, Tallinn, Estonia : program and abstracts2012 / p. 151 Synthesis of 4'-aryl-2',3'-dideoxynucleoside analoguesJõgi, Artur; Paju, Anne; Pehk, Tõnis; Kailas, Tiiu; Müürisepp, Aleksander-Mati; Lopp, MargusTetrahedron2009 / p. 2959-2965 Synthesis of 4'-substituted 2',3'-dideoxynucleoside analoguesJõgi, Artur; Paju, Anne; Pehk, Tõnis; Lopp, MargusBalticum Organicum Syntheticum : International Conference on Organic Synthesis : June 29 - July 2, 2008, Vilnius : program and abstract book2008 / p. 97 Synthesis of 5,5'-disubstituted bimorpholinesLippur, Kristin; Elmers, Cindy; Kailas, Tiiu; Müürisepp, Aleksander-Mati; Pehk, Tõnis; Kanger, Tõnis; Lopp, MargusSynthetic communications2010 / p. 266-281 Synthesis of 5,5'-disubstituted biomorpholinesLippur, Kristin; Elmers, Cindy; Kailas, Tiiu; Müürisepp, Aleksander-Mati; Pehk, Tõnis; Kanger, Tõnis; Lopp, MargusSynthetic communications2009 / p. 1-16 Synthesis of antithrombotic diaminePeterson, Jaak; Allikmaa, Veiko; Pehk, Tõnis; Lopp, Margus24th Estonian Chemistry Days : abstracts of scientific conference1998 / p. 56 Synthesis of bensofuroxan-4-carboxylic acidSchmidt, M.; Eek, Margus; Pehk, Tõnis; Lopp, Margus24th Estonian Chemistry Days : abstracts of scientific conference1998 / p. 66 Synthesis of bicyclo[3.3.0]octanes - interdediates for substituted cyclopentanesAav, Riina; Kanger, Tõnis; Pehk, Tõnis; Lopp, Margus15th European Symposium on Organic Chemistry : ESOC15 : 8-13 July 2007, Dublin (Ireland) : abstracts2007 / p. 65 Synthesis of chiral C2-symmetric bisaziridinesKanger, Tõnis; Ausmees, Kerti; Pehk, Tõnis; Lopp, MargusInternational Conference on Organic Synthesis : BOS 2002, Vilnius2002 / p. 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Chemistry2001 / 3, p. 147-155 Synthesis of novel acyclic nucleoside analoguesPäri, Malle; Paju, Anne; Pehk, Tõnis; Siirde, K.; Lopp, MargusBalticum Organicum Syntheticum : International Conference on Organic Synthesis : June 29 - July 2, 2008, Vilnius : program and abstract book2008 / p. 145 Synthesis of novel acyclic nucleoside analogues with anti-retroviral activityPaju, Anne; Päri, M.; Selyutina, Anastasia; Žusinaite, Eva; Merits, Andres; Pehk, Tõnis; Siirde, Kaarel; Müürisepp, Aleksander-Mati; Kailas, Tiiu; Lopp, MargusNucleosides, nucleotides and nucleic acids2010 / 9, p. 707-720 https://www.tandfonline.com/doi/pdf/10.1080/15257770.2010.501776 Synthesis of substituted cyclopentanones from 2-oxabicyclo[3.3.0]oct-6-en-3-oneAav, Riina; Kanger, Tõnis; Pehk, Tõnis; Lopp, MargusProceedings of the Estonian Academy of Sciences. Chemistry2007 / 1, p. 3-13 Synthesis of zwitterionic dopamine sulfonate coated cubic coreα-Fe@SiO2 nanoparticles and their magnetic properties analysisVolokhova, Maria; Boldin, Aleksei; Link, Joosep; Shugai, Anna; Pehk, Tõnis; Stern, Raivo; Seinberg, LiisMaterials2023 / 6 p. : ill Synthesis of the 9,11-secosterol from ergosterolJäälaid, Raissa; Pehk, Tõnis; Lille, Ülo24th Estonian Chemistry Days : abstracts of scientific conference1998 / p. 24 Synthesis of the AB-ring of 9,11-secosterolAav, Riina; Kanger, Tõnis; Pehk, Tõnis; Lopp, Margus11th European Symposium on Organic Chemistry : Göteborg, Sweden, July 23-28, 1999 : programme and abstracts1999 / p. P1 Synthesis of the AB-ring of 9,11-secosterolsAav, Riina; Kanger, Tõnis; Pehk, Tõnis; Lopp, MargusSynlett2000 / No. 4, p. 529-531 https://www.researchgate.net/publication/228068773_Synthesis_of_the_AB-Ring_of_911-Secosterols Synthesis of vicinal amino alcohols from tartaric esterAusmees, Kerti; Kulper, Kärt; Pehk, Tõnis; Kanger, Tõnis; Lopp, MargusInternational Conference on Organic Synthesis : June 27-July 1, 2004, Riga, Latvia : program & abstracts2004 / p. 54 TG-DTA study of melamine-urea-formaldehyde resinsSiimer, Kadri; Kaljuvee, Tiit; Christjanson, Peep; Pehk, Tõnis; Lasn, Ilmar; Saks, ImreBook of abstracts : MEDICTA 2007 : the 8th Mediterranean Conference on Calorimetry and Thermal Analysis : September 25th - September 29th, 2007, Palermo, Italy2007 / p. 180 https://link.springer.com/content/pdf/10.1007/s10973-007-8721-4.pdf TG-DTA study of melamine-urea-formaldehyde resinsSiimer, Kadri; Christjanson, Peep; Kaljuvee, Tiit; Pehk, Tõnis; Lasn, Ilmar; Saks, ImreJournal of thermal analysis and calorimetry2008 / 1, p. 19-27 : ill The addition of sulfur dichloride to bicyclo[2.2.1]hept-2-ene and to bicyclo[2.2.2]oct-2-eneBobylova, A.A.; Anfilogova, S.N.; Belikova, N.A.; Pehk, Tõnis; Anisimov, A.V.Sulfur letters1999 / 2, p. 51-55 The extraction, structure, and gelling properties of hybrid galactan from the red alga Furcellaria lumbricalis (Balti Sea, Estonia)Tuvikene, Rando; Truus, Kalle; Robal, Marju; Volobujeva, Olga; Mellikov, Enn; Pehk, Tõnis; Kollist, Andres; Kailas, Tiiu; Vaher, MerikeJournal of applied phycology2009 / [13] p.: ill https://link.springer.com/article/10.1007/s10811-009-9425-x The extraction, structure, and gelling properties of hybrid galactan from the red alga Furcellaria lumbricalis (Baltic Sea, Estonia)Tuvikene, Rando; Truus, Kalle; Robal, Marju; Volobujeva, Olga; Mellikov, Enn; Pehk, Tõnis; Kollist, Andres; Kailas, Tiiu; Vaher, MerikeJournal of applied phycology2010 / p. 51-63 : ill https://link.springer.com/article/10.1007/s10811-009-9425-x The modelling and kinetic investigation of the lipase-catalysed acetylation of steroisomeric prostaglandinsVallikivi, Imre; Fransson, Linda; Hult, Karl; Järving, Ivar; Pehk, Tõnis; Samel, Nigulas; Tõugu, Vello; Villo, Ly; Parve, OmarJournal of molecular catalysis B : enzymatic2005 / p. 62-69 : ill The origin of 15R-prostaglandins in the Caribbean coral Plexaura homomalla : molecular cloning and expression of a novel cyclooxygenaseValmsen, Karin; Järving, Ivar; Boeglin, William E.; Varvas, Külliki; Koljak, Reet; Pehk, Tõnis; Brash, Alan R.; Samel, NigulasProceedings of the National Academy of Sciences of the United States of America2001 / 14, p. 7700-7705 https://www.pnas.org/doi/full/10.1073/pnas.131022398 The synthesis and asymmetric oxidation of 3-benzyl-2,4-dihydroxycyclopent-2-enonesOja, Karolin; Paju, Anne; Pehk, Tõnis; Lopp, MargusBOS 2012 : International Conference on Organic Synthesis : July 1-4, 2012, Tallinn, Estonia : program and abstracts2012 / p. 148 The synthesis and epoxidation of allylic cyclopentenolsOja, Karolin; Paju, Anne; Pehk, Tõnis; Lopp, MargusTÜ ja TTÜ doktorikool "Funktsionaalsed materjalid ja tehnoloogiad" : 04.-05. märts 2014, Tartu2014 / [1] p. : ill The synthesis and epoxidation of allylic cyclopentenolsOja, Karolin; Paju, Anne; Pehk, Tõnis; Lopp, Margus8th Biennial International Conference on Organic Synthesis : Balticum Organicum Syntheticum : July 6-9, 2014, Vilnius : program and abstract book2014 The synthesis of 4´-substituted nucleoside analogues and their biological activityJõgi, Artur; Jäälaid, Raissa; Paju, Anne; Pehk, Tõnis; Lopp, MargusProgram and abstracts : BOS 2010 International Conference on Organic Synthesis : Riga, Latvia, June 27-30, 20102010 / p. P059 The tetrahydropyranyl-protected mandelic acid : a novel versatile chiral derivatising agentParve, Omar; Aidnik, Madis; Lille, Ülo; Martin, Ivar; Vallikivi, Imre; Vares, Lauri; Pehk, TõnisTetrahedron : asymmetry1998 / p. 885-896: ill The use of long range effects in 13C NMR spectra of carboxylic acids and their derivativesPehk, Tõnis23rd Estonian Chemistry Days : abstracts of scientific conference1997 / p. 111 Theoretical prediction and assignment of vicinal 1H–1H coupling constants of diastereomeric 3-alkoxy-6,7-epoxy-2-oxabicyclo[3.3.0]octanesAav, Riina; Pehk, Tõnis; Tamp, Sven; Tamm, Toomas; Kudrjašova, Marina; Parve, Omar; Lopp, MargusMagnetic resonance in chemistry2011 / p. 76-82 : ill Thermal behaviour of hydroxymethyl compounds as models for adhesive resinsSiimer, Kadri; Christjanson, Peep; Kaljuvee, Tiit; Pehk, Tõnis; Saks, ImreJournal of thermal analysis and calorimetry2009 / p. 459-466 : ill https://link.springer.com/article/10.1007/s10973-009-0218-x Thermal behaviour of hydroxymethyl compounds as models for adhesive resins [Electronic resource]Siimer, Kadri; Kaljuvee, Tiit; Christjanson, Peep; Pehk, Tõnis; Saks, Imre14th International Congress on Thermal Analysis and Calorimetry . VI Brazilian Congress on Thermal Analysis and Calorimetry : September 14-18, 2008, Sao Pedro, Brazil2008 / p. D-06 [CD-ROM] Thermal behaviour of melamine-modified urea-formaldehyde resinsSiimer, Kadri; Kaljuvee, Tiit; Pehk, Tõnis; Lasn, IlmarJournal of thermal analysis and calorimetry2010 / 3, p. 755-762 : ill https://akjournals.com/view/journals/10973/99/3/article-p755.xml Thermal behaviour of melamine-urea-formaldehyde resinsSiimer, Kadri; Süld, Tiia-Maaja; Christjanson, Peep; Kaljuvee, Tiit; Pehk, Tõnis; Lasn, IlmarXXVIII National Conference on Calorimetry, Thermal Analysis and Chemical Thermodynamics : Milan, Italy, December 11-15, 20062006 / p. 90 Thermal behaviour of stored aminoresinsSiimer, Kadri; Kaljuvee, Tiit; Christjanson, Peep; Pehk, TõnisProgramme and proceedings of Baltic Polymer Symposium 2004 : Kaunas, November 24-26, 20042004 / p. 86 Thermomyces lanuginosus lipase with closed lid catalyzes elimination of acetic acid from 11-acetyl-prostaglandin E2Villo, Ly; Metsala, Andrus; Tamp, Sven; Parve, Jaan; Vallikivi, Imre; Järving, Ivar; Nigulas, Samel; Lille, Ülo; Pehk, Tõnis; Parve, OmarChemCatChem2014 / p. 1998-2010 : ill 3-Alkyl-1,2-cyclopentanediones by Negishi cross-coupling of a 3-bromo-1,2-cyclopentanedione silyl enol ether with alkylzinc reagents : an approach to 2-substituted carboxylic acid γ-lactones, homocitric and lycoperdic acidsPaju, Anne; Kostomarova, Diana; Matkevitš, Katharina; Laos, Marit; Pehk, Tõnis; Kanger, Tõnis; Lopp, MargusTetrahedron2015 / p. 9313-9320 : ill http://dx.doi.org/10.1016/j.tet.2015.10.014 3-Chlorooxindoles : versatile starting materials for asymmetric organocatalytic synthesis of spirooxindolesNoole, Artur; Ošeka, Maksim; Pehk, Tõnis; Öeren, Mario; Järving, Ivar; Elsegood, Mark R. J.; Malkov, Andrei; Lopp, Margus; Kanger, TõnisAdvanced synthesis and catalysis2013 / p. 829-835 : ill Titanium(IV) acetylacetonate xerogels for processing titania films : structure and thermal analysis [Electronic resource]Oja Acik, Ilona; Madarasz, Janos; Heinamaa, Ivo; Pehk, Tõnis; Tõnsuaadu, Kaia; Krunks, Malle; Pokol, György; Niinistö, Lauri14th International Congress on Thermal Analysis and Calorimetry . VI Brazilian Congress on Thermal Analysis and Calorimetry : September 14-18, 2008, Sao Pedro, Brazil2008 / p. OP-C06 [CD-ROM] https://link.springer.com/article/10.1007/s10973-008-9647-1 Towards the total synthesis of 9,11-secosterol: Linking A,B- and D-rings with Michael addition to sulfone-activated cyclopentenoneKõllo, Marek; Rõuk, Kristi; Järving, Ivar; Pehk, Tõnis; Lopp, MargusTetrahedron2023 / art. 133363 : ill https://doi.org/10.1016/j.tet.2023.133363 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Transformation of ergosterol towards 9,11-secosterolsJäälaid, Raissa; Veressinina, Jelena; Järving, Ivar; Pehk, Tõnis; Lille, Ülo23rd Estonian Chemistry Days : abstracts of scientific conference1997 / p. 42 Tromboksaan A2 w-küllastatud 7-bitsüklo[2.2.1]heptaan-analoogide sünteesPaju, Anne; Pehk, Tõnis; Lopp, MargusXVI Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 16th Estonian chemistry days : abstracts of scientific conference1995 / lk. 101-103 Tsükliliste ketoonide võrdlev Baeyer-Villiger'i asümmeetriline oksüdeerimineKriis, Kadri; Kanger, Tõnis; Paju, Anne; Ilmarinen, Kaja; Pehk, Tõnis; Lopp, MargusXXV Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 25th Estonian Chemistry Days : abstracts of scientific conference1999 / lk. 58-59 1,2-tsükloalkaandioonide asümmeetriline oksüdatsioonPaju, Anne; Kanger, Tõnis; Pehk, Tõnis; Lopp, MargusXXV Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 25th Estonian Chemistry Days : abstracts of scientific conference1999 / lk. 124-125 Tsüklobutanoonide oksüdatsioon Sharplessi modifitseeritud reagendigaKriis, Kadri; Kanger, Tõnis; Paju, Anne; Pehk, Tõnis; Lopp, MargusXXIII Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid1997 / lk. 56 Tsüklopentaan-1,2-dioolide aeroobne oksüdeerimine tsüklopentaan-1,2-dioonideks Pt/C katalüsaatorilReile, Indrek; Paju, Anne; Eek, Margus; Pehk, Tõnis; Lopp, MargusXXX Eesti keemiapäevad : teaduskonverentsi teesid = 30th Estonian Chemistry Days : abstracts of scientific conference2007 / lk. 130-131 (2`-5`)-oligoadenylate synthetase in marine sponge : identification of its reaction productsKuusksalu, Anne; Subbi, J.; Pehk, Tõnis; Reintamm, Tõnu; Müller, W.E.G.; Kelve, MerikeEuropean journal of biochemistry1998 / p. 420-426 (2`-5`)-oligoadenylate system in marine spongesKuusksalu, Anne; Subbi, J.; Pehk, Tõnis; Reintamm, Tõnu; Kelve, MerikeEuropean cytokine network1998 / p. 326 (2R,2'R)- ja (3S,3'S)-bimorfoliini sünteesKriis, Kadri; Kanger, Tõnis; Pehk, Tõnis; Lopp, MargusXXVI Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 26th Estonian Chemistry Days : abstracts of scientific conference2000 / lk. 62-63 Unexpected direction of the reaction of ethyl 2-(diethylphosphono)propionate with 2,2-disubstituted-1,3-cyclopentanedionesAav, Riina; Kanger, Tõnis; Pehk, Tõnis; Lopp, MargusInternational Conference on Organic Synthesis : June 27-July 1, 2004, Riga, Latvia : program & abstracts2004 / p. 53 Unexpected reactivity of ethyl 2-(diethylphosphono)propionate toward 2,2-disubstituted-1,3-cyclopentanedionesAav, Riina; Kanger, Tõnis; Pehk, Tõnis; Lopp, MargusPhosphorus, sulfur and silicon2005 / p. 1739-1748 https://www.tandfonline.com/doi/full/10.1080/10426500590885309 Universaalne 13C TMR spektroskoopial baseeruv meetod orgaaniliste hapete dissotsiatsioonikonstantide võrdlevaks määramiseks = An universal 13C NMR method for the comparative analysis of acid-base equilibriaPehk, TõnisXVII Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 17th Estonian Chemistry Days : abstracts of scientific conference1996 / lk. 145-146 https://www.ester.ee/record=b1070511*est Unsubstituted oxacalix[n]arenes (n=4 and 8): a conformational study in solution and solid state and interaction studies with aromatic guestsPeterson, Anna; Kaabel, Sandra; Kahn, Iiris; Pehk, Tõnis; Aav, Riina; Adamson, JasperChemistrySelect2018 / p. 9091 - 9095 https://doi.org/10.1002/slct.201801590 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Urea-formaldehyde resins for low formaldehyde emission particleboardsSiimer, Kadri; Kaljuvee, Tiit; Christjanson, Peep; Pehk, Tõnis; Lasn, Ilmar; Saks, ImrePPS-24 : The Polymer Processing Society 24th Annual Meeting : June 15-19, 2008, Salerno, Italy : book of abstracts2008 / p. II.478 Urea-formaldehyde resins for low formaldehyde emission particleboards [Electronic resource]Siimer, Kadri; Kaljuvee, Tiit; Christjanson, Peep; Pehk, Tõnis; Lasn, Ilmar; Saks, ImrePPS-24 : The Polymer Processing Society 24th Annual Meeting : June 15-19, 2008, Salerno, Italy : program and proceedings2008 / [7] p. : ill. [CD-ROM] Urea-formaldehyde resins in Estonia : manufacturing and characterisationSiimer, Kadri; Christjanson, Peep; Pehk, Tõnis; Kaljuvee, Tiit; Suurpere, Aime; O'Brock, D.; Saks, Imre; Lasn, IlmarBaltic Polymer Symposium 2006 : September 20-22, 2006 : programme and proceedings2006 / p. 83 Uued tsütotoksilised 15-oksoprostaglandiinid : süntees ja antiproliferatiivne aktiivsus inimese leukeemia K562 rakuliinilLopp, Annika; Paju, Anne; Pehk, Tõnis; Lopp, MargusXVI Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 16th Estonian chemistry days : abstracts of scientific conference1995 / lk. 67-70 Uued tsütotoksilised steroidid korallist Gersemia fruticosa = New cytotoxic sterols from the soft coral Gersemia fruticosaKoljak, Reet; Lopp, Annika; Pehk, Tõnis; Varvas, Külliki; Järving, Ivar; Samel, NigulasXVII Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 17th Estonian Chemistry Days : abstracts of scientific conference1996 / lk. 81-82 https://www.ester.ee/record=b1070511*est Uute atsükliliste nukleosiidianaloogide sünteesPäri, Malle; Paju, Anne; Pehk, Tõnis; Siirde, K.; Lopp, MargusXXX Eesti keemiapäevad : teaduskonverentsi teesid = 30th Estonian Chemistry Days : abstracts of scientific conference2007 / lk. 125-126 Uute N,N,N',N'-tetraasendatud R,R-viinhappe derivaatide sünteesIlmarinen, Kaja; Allikmaa, Veiko; Ivanova, A.; Pehk, Tõnis; Lopp, MargusXXX Eesti keemiapäevad : teaduskonverentsi teesid = 30th Estonian Chemistry Days : abstracts of scientific conference2007 / lk. 40-41 Vetikapolüsahhariidide termostabiilsus : struktuur-omadus seosedRobal, Marju; Tuvikene, Rando; Truus, Kalle; Volobujeva, Olga; Mellikov, Enn; Pehk, TõnisXXXI Eesti keemiapäevad : [28. aprill 2010, Tallinn] : teaduskonverentsi teesid = 31st Estonian Chemistry Days : abstracts of scientific conference2010 / lk. 19 : ill 9,11-sekosterooli AB-ringi sünteesAav, Riina; Kanger, Tõnis; Pehk, Tõnis; Lopp, MargusXXV Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 25th Estonian Chemistry Days : abstracts of scientific conference1999 / lk. 12-13 1aH-oksireno[3,4]tsüklopenta[1,2-b]furaanide diastereoisomeeride ruumilise struktuuri määramineAav, Riina; Pehk, Tõnis; Lopp, MargusXXX Eesti keemiapäevad : teaduskonverentsi teesid = 30th Estonian Chemistry Days : abstracts of scientific conference2007 / lk. 12-13 https://www.ester.ee/record=b2314480*est Исследование структуры некоторых фенолформальдегидных смол методами ИК-спектроскопии и спектроскопии ЯМР13СLippmaa, Helle; Pehk, Tõnis; Kiisler, Karl; Christjanson, PeepРеспубликанская научная конференция "Фенолформальдегидные смолы и клеи на их основе" : тезисы докладов1974 / с. 30-32 https://www.ester.ee/record=b1310514*est Исследование структуры фенолформальдегидных поликонденсационных смол спектроскопическими методами. Сообщение V, Определение состава хроматографических фракций поликонденсатов 5-метилрезорцина с N-оксиметилкапролактамомLippmaa, Helle; Pehk, Tõnis; Christjanson, PeepСинтез и применение поликонденсационных клеев. [1]1977 / с. 31-39 : илл https://www.ester.ee/record=b1418128*est https://digikogu.taltech.ee/et/Item/708124e8-a979-4c67-92ae-ee529ff008a7 Исследование структуры фенолформальдегидных поликонденсационных смол спектроскопическими методами. Сообщение 1. Изучение влияния прибавки капролактама на реакцию поликонденсации диметилол-п-крезолаLippmaa, Helle; Kiisler, Karl; Pehk, TõnisТехнология органических веществ. 61974 / с. 81-92 : илл https://www.ester.ee/record=b1446922*est https://digikogu.taltech.ee/et/Item/22bf26dc-cffe-498c-b90f-34dc039a428f Исследование структуры фенолформальдегидных поликонденсационных смол спектроскопическими методами. Сообщение 2. Поликонденсаты резорцина и 5-метилрезорцина и влияние прибавки капролактама на их структуруLippmaa, Helle; Pehk, Tõnis; Kiisler, Karl; Christjanson, PeepТехнология органических веществ. 61974 / с. 93-107 : илл https://www.ester.ee/record=b1446922*est https://digikogu.taltech.ee/et/Item/22bf26dc-cffe-498c-b90f-34dc039a428f Исследование структуры фенолформальдегидных поликонденсационных смол спектроскопическими методами. Сообщение 3. Изучение продуктов поликонденсации резорцина с N - метилолкапролактамомLippmaa, Helle; Pehk, Tõnis; Kiisler, Karl; Christjanson, PeepТехнология органических веществ. 61974 / с. 109-122 : илл https://www.ester.ee/record=b1446922*est https://digikogu.taltech.ee/et/Item/22bf26dc-cffe-498c-b90f-34dc039a428f Исследование структуры фенолформальдегидных поликонденсационных смол спектроскопическими методами. Сообщение 4 : Определение состава хроматографических фракций поликонденсатов резорцина с N-оксиметилкапролактамомLippmaa, Helle; Pehk, Tõnis; Christjanson, PeepТехнология органических веществ. 81976 / с. 73-91 : илл https://www.ester.ee/record=b1475761*est https://digikogu.taltech.ee/et/Item/38b2a836-99da-4b82-8058-1c2084a10575 Исследование структуры фенолформальдегидных смол спектроскопическими методами. Сообщение VI, Гелевая хроматография поликонденсатов 5-метилрезорцинаLippmaa, Helle; Christjanson, Peep; Pehk, TõnisСинтез и применение поликонденсационных клеев. 21978 / с. 49-60 : илл https://www.ester.ee/record=b2191006*est https://digikogu.taltech.ee/et/Item/b615a4dd-bb4c-4a80-888a-b13d1a4c52d3 К вопросу образования сланцевых алкилрезорциновLille, Ülo; Purre, Tiit; Doilov, Svjatoslav; Pehk, Tõnis; Murd, A.; Kaidaš, N.; Võssotskaja, V.Технология органических веществ. 51973 / с. 185-197 : илл https://www.ester.ee/record=b1327787*est https://digikogu.taltech.ee/et/Item/4d607428-4077-45b3-a5b2-28394fbb4fa9 Новые данные о составе сланцевых феноловLille, Ülo; Kundel, Helmut; Brodski, E.; Lukašenko, I.; Pehk, Tõnis; Bitter, L.Технология органических веществ. 51973 / с. 199-209 : илл https://www.ester.ee/record=b1327787*est https://digikogu.taltech.ee/et/Item/4d607428-4077-45b3-a5b2-28394fbb4fa9 О химическом составе поликонденсатов резорцина и 5-метилрезорцина с N-оксиметилкапролактамомLippmaa, Helle; Pehk, Tõnis; Christjanson, PeepРеспубликанская научная конференция "Фенолформальдегидные смолы и клеи на их основе" : тезисы докладов1977 / с. 12-14 https://www.ester.ee/record=b1301009*est Поликонденсация резорцина и 5-метилрезорцина с формальдегидом в присутствии реагентов, модифицирующих скорость реакцииLippmaa, Helle; Pehk, Tõnis; Alla, M.Международный симпозиум по макромолекулярной химии = International symposium on macromolecular chemistry, СССР, Ташкент, 17-21 окт. 1978 г. Т. 31978 / с. 64-65 Реакция амидометилирования. Сообщение X, Спектроскопическое исследование структуры N, N', N" -[(1,3-диоксифенил)-2,4,6-триметил]-три-ε-капролактамаOja, Holger; Lippmaa, Helle; Christjanson, Peep; Pehk, TõnisСинтез и применение поликонденсационных клеев. 21978 / с. 19-28 : илл https://www.ester.ee/record=b2191006*est https://digikogu.taltech.ee/et/Item/b615a4dd-bb4c-4a80-888a-b13d1a4c52d3 Реакция амидометилирования. Сообщение 6 : Структура продуктов амидометилирования аминовLippmaa, Helle; Pehk, Tõnis; Christjanson, Peep; Siimer, KadriТехнология органических веществ. 81976 / с. 67-72 https://www.ester.ee/record=b1475761*est https://digikogu.taltech.ee/et/Item/38b2a836-99da-4b82-8058-1c2084a10575