硫酸二甲酯 、
Diethyl-[3-methyl-4-(4H-[1,2,4]triazol-3-ylazo)-phenyl]-amine 在
magnesium oxide 作用下,
以
溶剂黄146 为溶剂,
生成 5-(4-Diethylamino-2-methyl-phenylazo)-1,4-dimethyl-4H-[1,2,4]triazol-1-ium 、 3-(4-Diethylamino-2-methyl-phenylazo)-1,4-dimethyl-4H-[1,2,4]triazol-1-ium