Chirality transfer in stereoselective synthesis. A highly stereocontrolled synthesis of 22-hydroxylated steroid side chains via the [2,3]-Wittig rearrangement
Chirality transfer in stereoselective synthesis. A highly stereocontrolled synthesis of 22-hydroxylated steroid side chains via the [2,3]-Wittig rearrangement
Application of [2,3]Wittig and [3,3]Claisen rearrangements in steroid side chain synthesis. A highly stereocontrolled entry to either (22 S)- or (22 R)-hydroxy-23-carboxylic acid
作者:Ko¯lchi Mikami、Kazuya Kawamoto、Takeshi Nakai
DOI:10.1016/s0040-4039(00)85092-3
日期:1986.1
An efficient approach to either (22 S)- or (22 R)-hydroxy-23-carboxylic acid sidechain is described which relies on the stereochemical transmission via [2,3]Wittig or [3,3]Claisen sigmatropic rearrangement, respectively.