Synthesis of the DEF-bis-spiroacetal of spirastrellolide A exploiting a double asymmetric dihydroxylation/spiroacetalisation strategy
作者:Ian Paterson、Edward A. Anderson、Stephen M. Dalby、Jong Ho Lim、Philip Maltas、Christian Moessner
DOI:10.1039/b612697a
日期:——
An efficient synthesis of the C26–C40 tricyclic [5,6,6]-bis-spiroacetal segment of the marine macrolide spirastrellolide A has been developed, exploiting a novel double Sharpless asymmetric dihydroxylation/spiroacetalisation sequence.
利用新颖的双 Sharpless 不对称二羟基化/螺乙醛化序列,开发出了海洋大环内酯螺旋藻内酯 A 的 C26-C40 三环 [5,6,6]- 双螺乙醛段的高效合成方法。
Substrate-Directed Enantioselective Aziridination of Alkenyl Alcohols Controlled by a Chiral Cation
作者:Alexander Fanourakis、Nicholas J. Hodson、Arthur R. Lit、Robert J. Phipps
DOI:10.1021/jacs.3c00693
日期:——
Alkeneaziridination is a highly versatile transformation for the construction of chiral nitrogen-containing compounds. Inspired by the success of analogous substrate-directed epoxidations, we report an enantioselective aziridination of alkenyl alcohols, which enables asymmetric nitrene transfer to alkenes with varied substitution patterns, including those not covered by the current protocols. We believe