(S)-N-{(S)-2-Benzyloxy-1-[(1R,2R)-2-((2R,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-cyclohexylcarbamoyl]-ethyl}-3-tert-butoxycarbonylamino-succinamic acid benzyl ester 在
palladium dihydroxide 氢气 作用下,
以59%的产率得到(S)-3-tert-Butoxycarbonylamino-N-{(S)-2-hydroxy-1-[(1R,2R)-2-((2R,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-cyclohexylcarbamoyl]-ethyl}-succinamic acid