(S)-6-((R)-4-{(S)-2-[(R)-2-((4aR,6S,7R,8R,8aS)-7-Acetylamino-6-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yloxy)-propionylamino]-propionylamino}-4-carbamoyl-butyrylamino)-2-tert-butoxycarbonylamino-hexanoic acid methyl ester 在
palladium on activated charcoal
盐酸 、
氢气 、
溶剂黄146 作用下,
生成 (S)-6-((R)-4-{(S)-2-[(R)-2-((3R,4R,5S,6R)-3-Acetylamino-2,5-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-4-yloxy)-propionylamino]-propionylamino}-4-carbamoyl-butyrylamino)-2-amino-hexanoic acid methyl ester; hydrochloride