Creation of quaternary stereocentres: synthesis of new polyhydroxylated indolizidines
作者:Nicole Langlois、Bao Khanh Le Nguyen、Pascal Retailleau、Céline Tarnus、Emmanuel Salomon
DOI:10.1016/j.tetasy.2005.11.017
日期:2006.1
es 14 and 15 were synthesized from bicyclic silyloxypyrrole 2 by the selective formation of a quaternary stereogenic centre and a ring-closing metathesis as the main steps. They were converted into new polyhydroxyindolizidines 20 and 21 with high diastereoselectivity.