Different routes for synthesis of carbamate were reviewed, including oxidative carbonylation of amino, reductive carbonylation of nitryl, aniline-nitrobenzene method and ammonolysis of dimethyl carbonate. 介绍了几种氨基甲酸酯的合成方法,包括氨基的氧化羰化法、硝基的还原羰化法、苯胺、硝基苯联合法和碳酸二甲酯的胺解法。