4a,9alpha-环氧-4a,9alpha-二氢蒽-1,4,9,10-四酮 、
tri(propan-2-yl)-[(3E)-4-(3,4,5-trimethoxyphenyl)buta-1,3-dien-2-yl]oxysilane 以
二氯甲烷 、
苯 为溶剂,
反应 24.0h,
以32%的产率得到(+/-)-(5aS,6aS,7S,10aR,11aR)-5a,11a-epoxy-9-triisopropylsiloxy-7-(3,4,5-trimethoxyphenyl)-5a,6a,7,10,10a,11a-hexahydronaphthacene-5,6,11,12-tetraone