(S)-(+)-4-(diethoxyphosphoryloxy)-5-(dimethoxyphosphoryl)-2-methyl-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90%的产率得到dimethyl (2R,5S)-(-)-N-(tert-butoxycarbonyl)-5-methylpyrrolidine-2-phosphonate