1-{(2S,4R)-2-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-hydroxy-pyrrolidin-1-yl}-2-methyl-propan-1-one 在
二异丙基铵盐四氮唑 作用下,
以
乙腈 为溶剂,
生成 Phosphoric acid (3R,5S)-5-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-1-isobutyryl-pyrrolidin-3-yl ester 2-cyano-ethyl ester (2R,3S,5R)-3-hydroxy-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester