作者:Surksik Moon、Louise M. tuhmiller、Raj K. hadha、Trevor C. cMorris
DOI:10.1016/s0040-4020(01)82010-x
日期:1990.1
Dehydro-oogoniol(3β,11α,15β,29-tetrahydroxystigmasta-5,24(28)(E)-dien-7-one), a female-activating hormone of the water mold Achlya, has been synthesized from 4-androstene-3,11,17-trione by a series of highly stereoselective reactions. One of these involved 1,4-addition of the magnesium cyanocuprate derivative of 3-(1,3-dioxolan-2-yl)-4-methylpentyl bromide to 3β-hydroxy-15β,16β-epoxy-11-oxo-(17E)-pregna
脱氢oogoniol(3β,11α,15β,29-tetrahydroxystigmasta-5,24(28)(E)-dien-7-one)是一种水霉菌Achlya的雌性激活激素,由4-雄烯- 3,11,17-三酮通过一系列高度立体选择性的反应。其中之一涉及将3-(1,3-二氧戊环-2-基)-4-甲基戊基溴的氰尿酸镁衍生物1,4-加成到3β-羟基-15β,16β-环氧-11-氧代-((17E) )-pregna -5,17(20)-二烯3-叔丁基丁二甲基甲硅烷基醚。通过X射线晶体学分析证实了中间体3β,11β,15β-三乙酰氧基-5-胆甾烯-24-one的结构。通过(S)-3-(1-甲基乙基)氰基戊酸镁的反应以类似方式合成Oogoniol [(24 R)-3β,11α,15β,29-四羟基-stigmast-5-en-7-one] )-5-[(叔丁基二甲基甲硅烷基]氧基]戊基溴化物与上述环氧孕二烯