1: With benzotriazol-1-ol; N'-(3-dimethylaminopropyl)-N-ethylcarbodiimide in dichloromethane T=20°C; 24 h; 2: With triethylamine; trifluoroacetic acid in methanol 12 h; Heating;
Gautschi, Markus; Schmid, Joachim P.; Peppard, Terry L.; Ryan, Thomas P.; Tuorto, Raymond M.; Yang, Xiaogen
Journal of Agricultural and Food Chemistry, 1997 , vol. 45, # 8 p. 3183 - 3189