(3aS,6aS,7S,8S,10R,11R,11aS,11bS)-8-Allyl-7,11-bis-benzyloxy-2,2,9,9-tetramethyl-6-methylene-8-trimethylsilanyloxy-dodecahydro-1,3-dioxa-cycloocta[de]naphthalen-10-ol 在
重铬酸吡啶 作用下,
以
二氯甲烷 为溶剂,
以81%的产率得到(3aS,6aS,7S,8S,11S,11aS,11bS)-8-Allyl-7,11-bis-benzyloxy-2,2,9,9-tetramethyl-6-methylene-8-trimethylsilanyloxy-decahydro-1,3-dioxa-cycloocta[de]naphthalen-10-one