作者:Hirotaka Tanaka、Isao Mizota、Makoto Shimizu
DOI:10.1021/ol5007983
日期:2014.4.18
This report describes a highly regioselective tandem N-alkylation/vinylogous aldol reaction of β,γ-alkenyl α-iminoesters. The sulfur group improves the regioselectivity of the directed vinylogous aldol reaction, providing a new synthetic method of 3-amino-2-pyrones.
该报告描述了β,γ-烯基α-亚氨基酯的高度区域选择性的串联N-烷基化/长春醛醇醛缩合反应。硫基团改善了定向乙烯基醇醛醇缩醛反应的区域选择性,提供了3-氨基-2-吡喃酮的新合成方法。