1: With sodium ethanolate in ethanol 2 h; Heating / reflux; 2: With hydrogenchloride; water T=0°C;

in acetonitrile T=0°C; Condensation; 1 h;

1: glycine ethyl ester hydrochloric acid; ethyl acrylate With triethylamine in ethanol T=80°C; 1 h; 2: benzyl chloroformate With sodium carbonate in water; acetone T=0 - 20°C; 2 h;

1: 63 percent / benzene / 5 h / 60 °C 2: 80 percent / acetonitrile / 1 h / 0 °C View Scheme