摘 要:
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。结果表明该催化剂具有催化活性高,价廉易得,后处理方便,不需加带水剂,收率高等优势。在最佳反应条件下,收率为99.6%。[著者文摘]

文章出处:
《中国食品添加剂》-2008年1期 -137-138页
China Food Additives
栏目信息:
分 类 号:
文献标识码:
A
文章编号:
1006-2513(2008)01-0137-02
[参考文献]
Synthesis of butyl paraben catalyzed by stannic chloride
CHEN Dan-yun, CAI Yong-hong, HE Jian-ying ( Chemistry and Chemical Engineering College of Henan University, Kaifeng 475004)
Abstract:
By using stannic chloride as the catalyst, p-hydroxybenzoic acid and n-Butyl alcohol reacted to form butyl paraben. Experimental results showed that it was the efficient, economic and environmental friendly catalyst. Under the best conditions its yield could reach 99. 6%.[著者文摘]
Key words:
butyl paraben; stannic chloride; catalysis ; synthesis
收稿日期: 2007-08-16
基金资助:
河南省教育厅自然科学研究项目(课题编号2004601042);河南省教育厅自然科学计划项目(课题编号200510475015).

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