烯丙基三丁基锡 、 (3aS,6aS,7S,10R,11S,11aS,11bS)-7,11-Bis-benzyloxy-10-(tert-butyl-dimethyl-silanyloxy)-2,2,9,9-tetramethyl-6-methylene-decahydro-1,3-dioxa-cycloocta[de]naphthalen-8-one 在
苯基锂 作用下,
以
四氢呋喃 为溶剂,
以100%的产率得到(3aS,6aS,7S,8S,10R,11S,11aS,11bS)-8-Allyl-7,11-bis-benzyloxy-10-(tert-butyl-dimethyl-silanyloxy)-2,2,9,9-tetramethyl-6-methylene-dodecahydro-1,3-dioxa-cycloocta[de]naphthalen-8-ol