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多种含取代基的 2 -硝基苯胺 ,用四丁铵硫酸氢盐为相转移催化剂 ,在 5 0 % Na OH和甲苯中 ,加硫酸二甲酯反应 ,可选择性、高效地得到 N -单甲基取代产物。 7例收率 84%～ 10 0 %。2-硝基苯胺的N-单甲基取代反应@周琦奕
A variety of 2 - nitroaniline containing substituents, using tetrabutylammonium hydrogen sulfate as phase transfer catalyst, adding dimethyl sulfate in 50% NaOH and toluene, can selectively and efficiently obtain N - Monomethyl substituted products. Seven cases of yield 84% ~ 100%. 2-nitroaniline N-monomethyl substituted reaction @ Zhou Qi Yi