甲醇尿素均相催化合成氨基甲酸甲酯的研究  

Synthesis of Methyl Carbamate by Urea and Methanol in Homogeneous Catalysis System

作　　者：于剑峰[1] 唐仕明[1] 袁存光[1] 

机构地区：[1]石油大学化学化工学院

出　　处：《石油与天然气化工》2005年第4期234-237,共4页Chemical engineering of oil & gas

摘　　要：以甲醇和尿素为原料在有机金属催化剂均相催化下合成了氨基甲酸甲酯(MC),优化的反应条件为:甲醇与尿素进料比为1.5(物质的量之比),溶剂与尿素质量比为0.65,催化剂用量为0.1mol/L,反应温度160℃～170℃,反应时间为6h。在上述体系和反应条件下MC收率达83%以上,MC合成选择性为98.1%以上。Using methoxy metallic catalyst, methyl carbamate(MC) has been synthesized by the reaction of urea and methanol in homogeneous catalysis system. The optimized synthesis conditions are as follows: The mol ratio of methanol and urea is 1.5; the mass ratio of solvent and urea is 0.65; the quantity of catalyst is 0.1mol/L; the reaction temperature is 160℃~170℃; reaction time is 6h. Under the above conditions, the yield of MC exceeds 83% and the selectivity of MC exceeds 98%.

关 键 词：氨基甲酸甲酯 合成 均相催化 甲醇 尿素 

分 类 号：TQ225.24[化学工程—有机化工]