Lacunary silicotungstic heteropoly salts as high-performance catalysts in oxidation of cyclopentene

Peiyin Chen; Yanxiong Fang; Kaihong Xie; Yao Chen; Yang Liu; Hongliang Zuo; Weijian Lu; Baoyu Liu

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Lacunary silicotungstic heteropoly salts as high-performance catalysts in oxidation of cyclopentene

Full Length Article | Updated：2026-01-06

- Lacunary silicotungstic heteropoly salts as high-performance catalysts in oxidation of cyclopentene
- Lacunary silicotungstic heteropoly salts as high-performance catalysts in oxidation of cyclopentene
- 中国化学工程学报（英文版） 2023年56卷第4期页码：152-159
- Affiliations：
  
  1. School of Chemical Engineering and Light Industry, Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, Guangzhou Key Laboratory of Clean Transportation Energy Chemistry, Guangdong University of Technology,Guangzhou,China,510006
  2. Jieyang Branch of Chemistry and Chemical Engineering Guangdong Laboratory (Rongjiang Laboratory),Jieyang,China,515200
  3. Guangdong Xinhuayue Petrochemical Group Stock Company, No.18, Youcheng 4 Road,Maoming,China,525000
- Author bio：
- Funds：
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  中图分类号：
- 纸质出版：2023
- Accepted：
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Peiyin Chen, Yanxiong Fang, Kaihong Xie, 等. Lacunary silicotungstic heteropoly salts as high-performance catalysts in oxidation of cyclopentene[J]. 中国化学工程学报（英文版）, 2023,56(4):152-159.

Peiyin Chen, Yanxiong Fang, Kaihong Xie, Yao Chen, Yang Liu, Hongliang Zuo, Weijian Lu, Baoyu Liu. Lacunary silicotungstic heteropoly salts as high-performance catalysts in oxidation of cyclopentene[J]. Chinese Journal of Chemical Engineering, 2023, 56(4): 152-159.
Peiyin Chen, Yanxiong Fang, Kaihong Xie, 等. Lacunary silicotungstic heteropoly salts as high-performance catalysts in oxidation of cyclopentene[J]. 中国化学工程学报（英文版）, 2023,56(4):152-159. DOI：

Peiyin Chen, Yanxiong Fang, Kaihong Xie, Yao Chen, Yang Liu, Hongliang Zuo, Weijian Lu, Baoyu Liu. Lacunary silicotungstic heteropoly salts as high-performance catalysts in oxidation of cyclopentene[J]. Chinese Journal of Chemical Engineering, 2023, 56(4): 152-159. DOI：

摘要

Abstract

The development of polyoxometalates for olefin oxidation is critical to achieving the green chemical process of the C5 fraction further processing. Di-lacunary silicotungstic anions were easily obtained by continuously adjusting the pH instead of the traditional step-by-step method

which exhibited excellent performance in the catalytic oxidation of cyclopentene (CPE) to aldehydes or alcohols. The 93.69% CPE conversion and 97.15% total product selectivity (41.38% for glutaraldehyde (GA) and 55.77% for 1

2-cyclopentanediol (1

2-diol) were achieved by using H

as the oxidant and acetonitrile as the solvent. Through complementary characterization

it was found that the optimized di-lacunary silicotungstic polyoxometalate retained a complete Keggin structure

and exhibited better catalytic activity and stability than the mono-lacunary or saturated silicodecatungstate because it exposed more catalytic active centers. Furthermore

in situ

FT-IR spectra was utilized to monitor the reaction process

revealing the formation of the active species W(O

) on the di-lacunary silicotungstic polyoxometalate and the intermediate epoxycyclopentane during the catalytic oxidation of cyclopentene.

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