hydrogenchloride; manganese(IV) dioxide in water

sodium hydroxide

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

manganese(IV) oxide in tert-butyl alcohol T=25°C; 360 h;

in diethyl ether; water; tert-butyl alcohol

1: Al2O3 / gas / 275 °C 2: 41 percent / activated MnO2 / 2-methyl-propan-2-ol / 360 h / 25 °C View Scheme

sodium methylate in methanol T=150°C; 12 h; other temperatures; addition of various inhibitors; other halogenopyrimidine; Product distributionMechanism;

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

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