Diastereoselective addition of vinylmagnesium halides to variously N-mono- and N,N-diprotected l-alaninals
作者:Dorota Gryko、Zofia Urbańczyk-Lipkowska、Janusz Jurczak
DOI:10.1016/s0957-4166(97)00558-2
日期:1997.12
Diastereoselective C-2-elongation processes of N-mono- 1a-c and N,N-diprotected 1d-f L-alaninals, using vinylmagnesium bromide and chloride, are described. A substantial difference between effects of the N-protecting groups replacing either one or two amino protons was observed. (C) 1997 Elsevier Science Ltd. All rights reserved.