1: α-benzyl-acrylic acid With chloroformic acid ethyl ester; triethylamine in dichloromethane
T=-5°C; 0.5 h;
2: glycine benzyl ester p-toluenesulfonic acid salt With triethylamine in dichloromethane
T=-5 - 25°C; 2 h;
3: With sodium hydrogencarbonate in dichloromethane; water
Product distribution / selectivity;