对甲苯磺酸催化合成癸二酸二丁酯

Catalytic Synthesis of Dibutyl Sebacate with P-Toluene Sulphonic Acid

以 0 .0 0 2 6 3mol对甲苯磺酸为催化剂 ,将 0 .0 2 5mol癸二酸与 0 .2 0mol正丁醇回流分水 6 0min ,能够得到癸二酸二丁酯 ,产品收率 94.9% .

Dibutyl sebacate was synthesis by 0.025 mol sebacic acid wilh 0.20 mol n-butyl alcohol,refluxing and water segrating for 60 min,by using0.00263 mol p-toluene sulphonic acid as catalyst,the yield of estsr can reach 94.9%.