(E)-2-[(3R,4S,5S,8S,9S,10S,11R,13R,14S,16S)-16-Acetoxy-3,11-dihydroxy-4,8,10,14-tetramethyl-hexadecahydro-cyclopenta[a]phenanthren-(17Z)-ylidene]-6-(4-nitro-phenyl)-hex-5-enoic acid 2,2-dimethyl-propionyloxymethyl ester 在
palladium on activated charcoal
超重氢 作用下,
以
甲醇 为溶剂,
反应 1.17h,
生成 2,2-dimethylpropanoyloxymethyl (2Z)-2-[(3R,4S,5S,8S,9S,10S,11R,13R,14S,16S)-16-acetyloxy-3,11-dihydroxy-4,8,10,14-tetramethyl-2,3,4,5,6,7,9,11,12,13,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17-ylidene]-6-(4-aminophenyl)-5,6-ditritiohexanoate