Stereoselective synthesis and hormonal activity of novel dafachronic acids and naturally occurring steroids isolated from corals
作者:Ratni Saini、Sebastian Boland、Olga Kataeva、Arndt W. Schmidt、Teymuras V. Kurzchalia、Hans-Joachim Knölker
DOI:10.1039/c2ob25394a
日期:——
A stereoselective synthesis of (25S)-Δ1-, (25S)-Δ1,4-, (25S)-Δ1,7-, (25S)-Δ8(14)-, (25S)-Δ4,6,8(14)-dafachronic acid, methyl (25S)-Δ1,4-dafachronate and (25S)-5α-hydroxy-3,6-dioxocholest-7-en-26-oic acid is described. (25S)-Δ1,4-Dafachronic acid and its methyl ester are natural products isolated from corals and have been obtained by synthesis for the first time. (25S)-5α-Hydroxy-3,6-dioxocholest-7-en-26-oic
的立体选择性合成(25小号)-Δ 1 - ,(25小号)-Δ 1,4 - ,(25小号)-Δ 1,7 - ,(25小号)-Δ 8(14) - ,(25小号)-Δ 4,6,8(14) -dafachronic酸,甲基(25小号)-Δ 1,4 -dafachronate和(25 S)-5α-羟基-3,6-二氧胆甾-7-en-26-oic酸描述。(25小号)-Δ 1,4 -Dafachronic酸及其甲基酯是天然产物从珊瑚分离并已被合成为在第一时间获得。(25 S)-5α-羟基-3,6-二氧胆甾-7-en-26-油酸 代表细胞毒性海洋类固醇的有前途的合成前体。