1: 3-amino-propan-1-ol With thionyl chloride in toluene 2 h; Cooling with iceReflux; 2: With triethylamine in water T=20°C; 0.5 h; 3: di-tert-butyl dicarbonate in tetrahydrofuran; water T=20°C; 18 h;
1: 3-phenyl-2-propenoic acid With triethylamine; methyl chloroformate in dichloromethane T=20°C; 2 h; Cooling with ice; 2: 3-amino-propan-1-ol in dichloromethane T=20°C;