Catalytic synthesis of cyclohexanone 1,2-propanediol ketal with H4SiW12O40/PAn

被引：0
|
作者：
Yang, SJ [1 ]
Yu, XQ
Sun, JT
机构：
[1] Hubei Normal Univ, Dept Chem & Environm Engn, Huangshi 435002, Peoples R China
[2] Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China
来源：
RARE METALS | 2004年 / 23卷 / 04期
关键词：
cyclohexanone 1,2-propanediol ketal; 12-tungstosilicic acid; polyaniline; catalyst; ketalation;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new environmental friendly catalyst, H4SiW12O40/PAn was prepared and identified by means of FT-IR, XRD and TG/DTA. Cyclohexanone 1,2-propanediol ketal was synthesized from cyclohexanone and 1,2-propanediol in the presence of H4SiW12O40/PAn. The factors influencing the synthesis were discussed and the best conditions were found out. The optimum conditions are: molar ratio of cyclohexanone to 1,2-propanediol is 1:1.4, the quantity of catalyst is equal to 1.0% of feed stocks, and the reaction time is 40 min. H4SiW12O40/PAn is an excellent catalyst for synthesizing cyclohexanone 1,2-propanediol ketal and its yield can reach over 96.5%.
引用
收藏
页码：300 / 305
页数：6
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