3,5-二羟基苯甲醇合成工艺研究

A New Technique for Synthesis of 3,5-Dihydroxybenzyl Alcohol

以 3,5 -二羟基苯甲酸为原料 ,经酯化、酰化、四氢铝锂还原等改进步骤合成 3,5 -二羟基苯甲醇 ,总收率 76 %。该法成本较低 ,后处理简单 ,无环境污染 。

Dihydroxybenzyl alcohol is synthesized from 3,5-dihydroxybenzoic acid and by improved esterification,acylation and reduction by lithium Aluminum hydride,the total yield is 76%,which gives a convenient syntheic method Compared with other methods,this process has superior industrial economic benefit without environmental pollution