1: 4-methyl-benzoic acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride in dichloromethane
0.5 h; Cooling with ice;
2: N-ethoxycarbonyl-piperazine With triethylamine in dichloromethane
5 h; Cooling with ice;
参考文献
Abbavaram, Babul Reddy A.; Reddyvari, Hymavathi R.V.
Journal of the Korean Chemical Society, 2013 , vol. 57, # 6 p. 731 - 737