苯氨基甲酸甲酯合成二苯甲烷二氨基甲酸甲酯的研究进展

综述了国内外以苯氨基甲酸甲酯（MPC）为原料合成二苯甲烷二氨基甲酸甲酯（MDC）的研究情况，分别对比了催化剂、物料配比、反应温度、反应时间、催化剂量等反应条件的优化结果，并就不同种类的催化剂进行了总结比较，包括液体酸（盐酸、硫酸、混合酸等）、固体酸（硅钨酸、磷钼酸等）等催化剂，以及新型催化剂如离子液体、离子交换树脂等。介绍了在反应溶剂和工艺路线方面最新的研究进展，总结了未来缩合合成MDC在催化剂上的研究方向及前景。

Study advance on methylene diphenyl dicarbamate synthesied from methyl N-phenyl carbamate

The domestic and foreign study situation about synthesis of methylene diphenyl dicarbamate(MDC)using meth- yl N-phenyl carbamate(MPC)as raw material is summarized.The optimized results in reaction conditions such as catalyst, material ratio,reaction temperature,reaction time,catalyzed dosage are contrasted respectively,and different catalysts inclu- ding liquid acid(hydrochloric acid,sulfuric-acid,mixed acid,etc.),solid acid(silicotungstic acid,phosphomolyhdic acid, etc.),and new catalysts such as ionic liq...