Conversion of dehydroabietic acid into a steroid skeleton: Formation of the A-ring. II.
作者:AKIRA TAHARA、YOSHIHIRO HARIGAYA、MASAYUKI ONDA
DOI:10.1248/cpb.23.1996
日期:——
Conversion of dehydroabietic acid (1) to a steroid skeleton was attempted. The oxo ester (3), an important intermediate in the synthesis of 4, was synthesized from 7 having a double bond in the A ring. It was confirmed that the oxo ester (3) has the α configuration at the 5-position.
尝试将
脱氢松香酸(1)转化为甾体骨架。
氧代
酯 (3) 是合成 4 的重要
中间体,由 A 环上具有双键的 7 合成。经证实,
氧代
酯 (3) 在 5 位具有 α 构型。