Asymmetric synthesis of congested spiro-cyclopentaneoxindoles via an organocatalytic cascade reactionNoole, Artur; Ilmarinen, Kaja; Järving, Ivar; Lopp, Margus; Kanger, TõnisJournal of organic chemistry2013 / p. 8117-8122 : ill Asymmetric synthesis of congested spiro-cyclopentaneoxindoles via an organocatalytic cascade reactionNoole, Artur; Kanger, Tõnis248th ACS National Meeting and Exposition : August 10-14, 2014, San Francisco, CA : Chemistry and Global Stewardship2014 / [1] p. : ill