反应条件
1: acetic anhydride / 12 h / 90 °C
2: 1.) triethylamine, ethyl chloroformate; 2.) NH3 / 1.) THF, 20 deg C, 12 h; 2.) THF, 0.5 h
View Scheme
参考文献
Freudenreich, Charles; Samama, Jean-Pierre; Biellmann, Jean-Francois
Journal of the American Chemical Society, 1984 , vol. 106, # 11 p. 3344 - 3353