1: 3.37 percent Chromat. / sodium hydroxide, sulfur / methanol / 12 h / 170 °C 2: 60 percent / bromine, sodium acetate / acetic acid / 3 h / 80 °C View Scheme

sodium hydroxide; sulfur in methanol T=170°C; 12 h;

1: 3.37 percent Chromat. / sodium hydroxide, sulfur / methanol / 12 h / 170 °C 2: 60 percent / bromine, sodium acetate / acetic acid / 3 h / 80 °C 3: 58 percent / sodium methoxide / methanol / 12 h / 150 °C / other temperatures; addition of various inhibitors; other halogenopyrimidine View Scheme

sodium hydroxide; sulfur in methanol T=170°C; 12 h;