By using stannic chloride as the catalyst,p-hydroxybenzoic acid and n-Butyl alcohol reacted to form butyl paraben.

• 采用四氯化锡为催化剂合成尼泊金丁酯,考察催化剂用量、醇酸物质的量比、反应时间及带水剂等因素对收率的影响。