(S)-6-Benzyloxycarbonylamino-2-[(R)-4-benzyloxycarbonyl-4-((S)-2-{[(2S,4R,5R,6R)-6-((R)-1,2-dihydroxy-ethyl)-4,5-dihydroxy-tetrahydro-pyran-2-carbonyl]-amino}-propionylamino)-butyrylamino]-hexanoic acid benzyl ester 在
钯 氢气 作用下,
以82%的产率得到(S)-6-Carboxyamino-2-[(R)-4-carboxy-4-((S)-2-{[(2S,4R,5R,6R)-6-((R)-1,2-dihydroxy-ethyl)-4,5-dihydroxy-tetrahydro-pyran-2-carbonyl]-amino}-propionylamino)-butyrylamino]-hexanoic acid