(2S,3R)-2-{(S)-2-[(2R,3R,4R,5R)-5-((S)-3-Benzyloxy-2-tert-butoxycarbonylamino-propionyloxy)-3-hydroxy-2,4-dimethyl-octadecanoylamino]-3-methyl-butyrylamino}-3-hydroxy-butyric acid benzyl ester 在
palladium on activated charcoal
氢气 作用下,
以100%的产率得到(2S,3R)-2-{(S)-2-[(2R,3R,4R,5R)-5-((S)-2-tert-Butoxycarbonylamino-3-hydroxy-propionyloxy)-3-hydroxy-2,4-dimethyl-octadecanoylamino]-3-methyl-butyrylamino}-3-hydroxy-butyric acid