methyl 3-[[(4S)-4-[[(4R)-4-[(3R,5S,7R,8R,9S,10S,13R,14S,17R)-3,7-dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]pentanoyl]amino]-5-oxo-5-phenylmethoxypentanoyl]amino]benzoate 在
palladium 10% on activated carbon 、
氢气 作用下,
以
乙醇 为溶剂,
反应 1.0h,
生成 (2S)-2-[[(4R)-4-[(3R,5S,7R,8R,9S,10S,13R,14S,17R)-3,7-dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]pentanoyl]amino]-5-(3-methoxycarbonylanilino)-5-oxopentanoic acid