(S)-1-{(S)-1-[(2S,3R)-3-((2R,3R,4R,5S,6R)-4,5-Diacetoxy-6-acetoxymethyl-3-acetylamino-tetrahydro-pyran-2-yloxy)-2-(4-phenylacetoxy-benzyloxycarbonylamino)-butyryl]-pyrrolidine-2-carbonyl}-pyrrolidine-2-carboxylic acid allyl ester 在
四(三苯基膦)钯 吗啉 作用下,
以
四氢呋喃 为溶剂,
反应 0.5h,
以73%的产率得到(S)-1-{(S)-1-[(2S,3R)-3-((2R,3R,4R,5S,6R)-4,5-Diacetoxy-6-acetoxymethyl-3-acetylamino-tetrahydro-pyran-2-yloxy)-2-(4-phenylacetoxy-benzyloxycarbonylamino)-butyryl]-pyrrolidine-2-carbonyl}-pyrrolidine-2-carboxylic acid