(5E,7E,14E)-(4aR,17aR)-14-(tert-Butyl-diphenyl-silanyloxymethyl)-2,2,4a,15-tetramethyl-11-oxo-4,4a,9,10,11,12,13,16,17,17a-decahydro-1,3-dioxa-benzocyclopentadecene-12-carboxylic acid tert-butyl ester 在
三乙胺 作用下,
以
甲苯 为溶剂,
反应 15.0h,
以68%的产率得到(5E,7E,14E)-(4aR,17aR)-14-(tert-Butyl-diphenyl-silanyloxymethyl)-2,2,4a,15-tetramethyl-4a,9,10,12,13,16,17,17a-octahydro-4H-1,3-dioxa-benzocyclopentadecen-11-one