1-O-[2-(2-methoxyethoxy)ethyl] 4-O-prop-2-enyl (2S)-2-[[2-[[(2S)-3-[[(2R,3S,5R)-3-acetyloxy-5-[2-oxo-4-[(2-phenylacetyl)amino]pyrimidin-1-yl]oxolan-2-yl]methoxy-oxido-prop-2-enoxyphosphaniumyl]oxy-2-(prop-2-enoxycarbonylamino)propanoyl]amino]acetyl]amino]butanedioate 在
phosphate buffer 、 lipase from Aspergillus niger 作用下,
以
丙酮 为溶剂,
以70%的产率得到(S)-2-[2-((S)-3-{[(2R,3S,5R)-3-Acetoxy-5-(2-oxo-4-phenylacetylamino-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethoxy]-allyloxy-phosphoryloxy}-2-allyloxycarbonylamino-propionylamino)-acetylamino]-succinic acid 4-allyl ester