(2S,3S)-3-Allyloxy-2-[(2S,3R)-4-benzyloxy-2-(3-benzyloxycarbonyl-propionylamino)-3-hydroxy-butyrylamino]-4-((2S,3R,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yl)-butyric acid ethyl ester 在
氢气 作用下,
以81%的产率得到(2S,3S)-2-[(2S,3R)-4-Benzyloxy-2-(3-benzyloxycarbonyl-propionylamino)-3-hydroxy-butyrylamino]-3-propoxy-4-((2S,3R,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yl)-butyric acid ethyl ester