ammonia nitriding

Dimethoxybenzaldehyde was synthesized from p nitrotoluene by oxidation reduction,bromination,diazotization deamination,methoxylation reaction.

以对硝基甲苯为原料，经氧化还原、溴化、重氮化去氨基，甲氧基化反应制得３，５二甲氧基苯甲醛，总收率在５１％以上。