Diastereoselective “contra-Michael" addition of(−)-sparteineorganolithiumcomplexes to secondary chiral cinnamyl amides
作者:Nathalie Bremand、Ilan Marek、Jean F. Normant
DOI:10.1016/s0040-4039(99)00495-5
日期:1999.4
"Contra-Michael" addition of (-)sparteine/organolithium reagents complexes to cinnamyl secondary amides derived From (R) or (S)-alpha-Methylbenzylamine occurs with marched or mismatched pairs, and allows an enantioselective access to 2-benzyl-amides,- acids, or- alcohols. (C) 1999 Published by Elsevier Science Ltd. All rights reserved.
"Contra-Michael" 加成反应中,(-)sparteine/有机锂试剂复合物对来源于 (R) 或 (S)-α-甲基苯乙胺的桂酰亚胺进行加成反应时,可形成相配或不相配的配对,并允许选择性获得 2-苄基酰胺、酸或醇。 (C) 1999 Elsevier Science Ltd. 保留所有权利。