A practical stereoselective synthesis of (2S, 4S)-4-tert-butoxycarbonylamino-2-methylpyrrolidine
作者:Qun Li、Daniel T.W. Chu、Kathleen Raye、Akiyo Claiborne、Louis Seif、Bryan Macri、Jacob J. Plattner
DOI:10.1016/0040-4039(95)01813-w
日期:1995.11
Two practical syntheses of (2S, 4S)-4-tert-butoxycarbonylamino-2-methylpyrrolidine, an important intermediate for quinolone antibacterial agents, have been developed through the combination of diastereo and enantioselective reactions starting from ethyl crotonate and L-alanine, respectively.