以对甲苯磺酸为催化剂，对二甲氨基苯甲酸和异丁醇为原料合成对二甲氨基苯甲酸异丁酯。
Isobutyl p-(dimethylamino) benzoate was synthesized by the esterification ofp-(dimethylamino)-benzoic acid with isobutanol using p-toluene sulfonic acid as the catalyst.
以草酸和正丁醇为原料，采用颗粒状活性炭固载对甲苯磺酸作催化剂合成草酸二丁酯。
Dibutyl oxalate was synthesized with oxalic acid and n-butanol as raw materials and p-toluene sulphonic acid supported on granular active carbon as the catalyst.
对甲苯磺酸为催化剂，用梯度升温法，酸、醇直接酯化合成没食子酸正（异）丁酯。
Then (iso) butyl gallate was prepared by esterification of alcohol and gallic acid in catalysis ofp methyl benzene sulfonic acid and the reaction temperature was risen in a gradient style.
对甲苯磺酸为催化剂，用梯度升温法，酸、醇直接酯化合成没食子酸正（异）丁酯。
Then (iso) butyl gallate was prepared by esterification of alcohol and gallic acid in catalysis ofp methyl benzene sulfonic acid and the reaction temperature was risen in a gradient style.
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