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Citation: WANG Han, YANG Yunqin, FANG Dawei, ZANG Shuliang. Application of Heteropolyoxomolybdotungstate([Smim]₃[PMoW₃O₂₄]) in Epoxidation of Cyclohexene with Urea-hydrogen Peroxide[J]. Chinese Journal of Applied Chemistry, ;2014, 31(3): 279-284. doi: 10.3724/SP.J.1095.2014.30335 shu

Application of Heteropolyoxomolybdotungstate([Smim]₃[PMoW₃O₂₄]) in Epoxidation of Cyclohexene with Urea-hydrogen Peroxide

WANG Han ^a,b ,
YANG Yunqin ^b ,
FANG Dawei ^b ,
ZANG Shuliang ^a,b,,

1.
a Department of Chemistry, East China Normal University, Shanghai 200062, China;
2.
b Institute of Rare and Scatered Elements Chemistry, Liaoning University, Shenyang 110036, China

Corresponding author: ZANG Shuliang,
Received Date: 8 July 2013
Available Online: 14 October 2013
Fund Project: 国家自然科学基金(21071073,21373005) (21071073,21373005)国家科技支撑计划(2012BAF03B02) (2012BAF03B02)辽宁省自然科学基金(201202084)资助项目 (201202084)

A molybdenum-tungsten mixed-coordinated polyoxometalate,3-(1-heptyl-3-methyl-imidazolium) heteropolyoxomolybdotungstate [Smim]₃[PMoW₃O₂₄] was synthesized and characterized.The epoxidation of alkenes was successfully catalyzed by a recyclable and environmentally benign catalytic system:[Smim]₃[PMoW₃O₂₄]/UHP(urea-hydrogen peroxide)/[Smim]PF₆/cyclohexene.This catalytic system not only catalyzes homogeneous epoxidation of cyclohexene,but also uses recyclable room temperature ionic liquid as a novel solvent instead of conventional organic reaction media.The yield could reach more than 93%.The catalyst and ionic liquid could be easily recovered and reused after the reaction.
- heteropolyoxomolybdotungstate,
- cyclohexene,
- epoxidation
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Application of Heteropolyoxomolybdotungstate([Smim]3[PMoW3O24]) in Epoxidation of Cyclohexene with Urea-hydrogen Peroxide

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通讯作者: 陈斌, bchen63@163.com

Application of Heteropolyoxomolybdotungstate([Smim]₃[PMoW₃O₂₄]) in Epoxidation of Cyclohexene with Urea-hydrogen Peroxide