期刊论文

Study on Synthesis of Dibutyl Maleate

中文

吉首大学学报(自然科学版)

1007-2985

2001

22

1

78-80

10.3969/j.issn.1007-2985.2001.01.020

本校为第一机构

在对甲苯磺酸存在下,以马来酸酐和正丁醇为原料合成了马来酸二丁酯,在马来酸酐、正丁醇与对甲苯磺酸的物质的量之比为1∶4∶0.16,回流分水70 min,酯收率能达到95.6%,并且比较了对甲苯磺酸、硫酸、六水合三氯化铁、十二水合硫酸铁铵等催化合成马来酸二丁酯的活性.

Dibutyl maleate was prepared from maleic anhydride and n - butyl alcohol in the presence of p - toluene sulphonic acid. The yield of the ester could reach 95.6% under amount of substance ratio of maleic anhydride, n - butyl alcohol and p - toluene sulphonic acid were 1:4:0.16, refluxing and water segrating for 70 min. The catalytic activities of p - toluene sulphonic acid, sulfuric acid, Ferric chloride hexahydrate and ammonium ferric sulfate dodecahydrate ...