benzyl 4-[(4S,7R,9S)-9-((1S)-1-{[3-(1,1-dioxo-1,6-isothiazolidin-2-yl)benzoyl]amino}-3-methylbutyl)-4,7,11,11,12,12-hexamethyl-3,6-dioxo-10-oxa-2,5-diaza-11-silatridec-1-yl]benzoate 在
palladium 10% on activated carbon
氢气 、
四丁基氟化铵 作用下,
以
甲醇 、
四氢呋喃 为溶剂,
以90%的产率得到4-[({(2S)-2-[((2R,4S,5S)-5-{[3-(1,1-dioxo-isothiazolidin-2-yl)benzoyl]amino}-4-hydroxy-2,7-dimethyloctanoyl)amino]propanoyl}amino)methyl]benzoic acid