1: methyl (2S,4S)-4-[(tert-butoxycarbonyl)amino]-2-pyrrolidinecarboxylate With sodium hydroxide in methanol 2: (9H-Fluoren-9-yl)-methyl chloroformate With sodium carbonate in 1,4-dioxane; water Further stages.;
参考文献
Umashankara; Babu, I Ramesh; Ganesh, Krishna N
Chemical communications (Cambridge, England), 2003 , # 20 p. 2606 - 2607