Stereoselective ester enolate alkylation and hydroxylation at C-22 of a steroid side chain
作者:Deukjoon Kim、Gyoon Hee Han、Kwon Kim
DOI:10.1016/s0040-4039(00)99524-8
日期:1989.1
Reactions of steroidal acyclic ester enolate 2 with 4-bromo-2-methyl-2-butene and Davis' oxaziridine reagent proceeded with high diastereoselectivity to afford esters 3a and 3b, respectively.