作者:Huidong Yan、Liufang Zeng、Yaqiang Xie、Yu Cui、Liyi Ye、Song Tu
DOI:10.1007/s11164-015-2416-4
日期:2016.6
Abstract Dimethyl carbonate (DMC), an environmentally friendly methylation agent, is a substitute for traditional methylation agents such as methyl halides (CH3X, X = I, Br, Cl) or dimethyl sulfate. An efficient, convenient, and green method has been developed for N -methylation of poorly nucleophilic aromatic amines with DMC. It was found that the couple PEG400/K2CO3 provides good selectivity for
摘要 碳酸二甲酯(DMC)是一种环境友好的甲基化剂,可替代传统的甲基化剂,例如卤代甲烷(CH 3 X,X = I,Br,Cl)或硫酸二甲酯。已经开发出一种有效,方便和绿色的方法,用于用DMC对弱亲核芳香胺进行 N- 甲基化。发现成对的PEG400 / K 2 CO 3对 N- 甲基化产物提供了良好的选择性 。最后,研究了胺与DMC的反应机理,并提出了可行的多步机理。 图形概要