• 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