作者:Chada Raji Reddy、Uredi Dilipkumar、Motatipally Damoder Reddy、Nagavaram Narsimha Rao
DOI:10.1039/c3ob27518c
日期:——
steps involved are Jacobson hydrolytic kinetic resolution, proline-catalyzed α-hydroxylation, Yamaguchi esterification and ring-closing metathesis. This asymmetric total synthesis necessitates the revision of the originally assigned (3R, 6S, 9S)-configuration to (3S, 6R, 9R).
从容易获得开始描述了天然Seimatopolide B及其对映异构体的不对称全合成 5-己烯-1-醇 和 3-丁-1-醇。涉及的关键步骤是Jacobson水解动力学拆分,脯氨酸催化的α-羟基化,山口酯化和闭环易位。这种不对称的总合成需要将最初分配的(3 R,6 S,9 S)-构型修改为(3 S,6 R,9 R)。