(1R,3aR,4S,7aR)-7a-methyl-1-[(1S,3Z)-6,6,6-trifluoro-1-methyl-1-(4-methyl-4-trimethylsilanyloxy-pentyl)-5-trifluorometliyl-5-trimetliylsilanyloxy-hex-3-enyl]-octahydro-inden-4-one 在
正丁基锂 作用下,
以
四氢呋喃 为溶剂,
反应 6.33h,
生成 (S,Z)-8-((1R,3aS,7aR,E)-4-(2-((3R,5R)-3,5-bis((tert-butyldimethylsilyl)oxy)cyclohexylidene)ethylidene)-7a-methyloctahydro-1H-inden-1-yl)-2,2,8,12,12,14,14-heptamethyl-4,4-bis(trifluoromethyl)-3,13-dioxa-2,14-disilapentadec-5-ene