(R)-(+)-4-(diethoxyphosphoryloxy)-5-(dimethoxyphosphoryl)-2-phenyl-2,3-dihydropyrrole-1-carboxylic acid tert-butyl ester 在
platinum on activated charcoal
氢气 作用下,
以
乙醇 为溶剂,
反应 16.0h,
以93%的产率得到dimethyl (2R,5R)-(-)-N-(tert-butoxycarbonyl)-5-phenylpyrrolidine-2-phosphonate