(3S,6R,7S,8S)-3,7-Bis-(tert-butyl-dimethyl-silanyloxy)-11-{(1R,2S)-2-[(E)-2-hydroxy-3-methyl-4-(2-methylsulfanyl-thiazol-4-yl)-but-3-enyl]-1-methyl-cyclopropyl}-4,4,6,8-tetramethyl-5-oxo-undecanoic acid 2-trimethylsilanyl-ethyl ester 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 2.0h,
以79%的产率得到(3S,6R,7S,8S)-3,7-Bis-(tert-butyl-dimethyl-silanyloxy)-11-{(1R,2S)-2-[(E)-2-hydroxy-3-methyl-4-(2-methylsulfanyl-thiazol-4-yl)-but-3-enyl]-1-methyl-cyclopropyl}-4,4,6,8-tetramethyl-5-oxo-undecanoic acid