Synthesis of 5-substituted indolizidines and approaches to 3- and 8-substituted indolizidines from a common intermediate accessed via the remote dianion of 4-PSBA
作者:James J. Kiddle、Diana L.C. Green、Charles M. Thompson
DOI:10.1016/0040-4020(95)00036-8
日期:1995.3
The dianion of 4-(phenylsulfonyl)butanoic acid (1: 4-PSBA) was used to prepare a pivotal intermediate 5 that was used in novel syntheses of indolizidines containing alkyl substituents in a variety of patterns at the 3-, 5- and, 8-positions.