Diastereoselective synthesis of 2,4,5-trisubstituted piperidines from enantiopure β-amino esters
作者:Dawei Ma、Haiying Sun
DOI:10.1016/s0040-4039(99)00537-7
日期:1999.4
Reaction of (R)-beta-amino esters with methyl acrylate followed by Dieckmann condensation and enol silylation afforded the enol ethers 5, which were hydrogenated with catalysis by Raney-Ni to provide 2,4,5-trisubstituted piperidines with high diastereoselectivity. (C) 1999 Elsevier Science Ltd. All rights reserved.