在低温、低压条件下，以Ru/C为催化剂，利用对苯二甲酸二甲酯催化加氢制备1，4-环己烷二甲酸二甲酯。考察了溶剂、反应温度、反应压力、催化剂用量对对苯二甲酸二甲酯加氢的影响。实验结果表明，在乙酸乙酯用量为100 mL、对苯二甲酸二甲酯质量为10.0 g、催化剂质量为0.5 g、100℃和4 MPa条件下反应20 min，对苯二甲酸二甲酯的转化率为99.9%，1，4-环己烷二甲酸二甲酯的选择性为98.9%。

Dimethyl 1,4-cyclohexanedicarboxylate is synthesized by catalytic hydrogenation of dimethyl terephthalate over Ru/C catalyst under low temperature and low pressure in a reactor.The effects of solvent,reaction temperature,pressure and amount of catalyst are investigated.The conversion rate of dimethyl terephthalate can reach 99.9% and the selectivity of dimethyl 1,4-cyclohexanedicarboxylate is as high as 98.9% under optimal reaction conditions that the dosages of ethyl acetate,dimethyl terephthalate and catalyst are 100 mL,10.0 g and 0.5 g,and reaction has carried out for 20 min at 100℃,4 MPa.

史海(1986-),男,硕士,助理研究员,研究方向为多相催化,sh1986@dicp.ac.cn