IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
Monodisperse crosslinked pHEMA particle-supported chiral Mn(III)salen catalyst for asymmetric epoxidation of olefin
Wei, SL (Wei, Saili)[1,2]; Tang, YH (Tang, Yuhai)[1]; Zhao, RQ (Zhao, Ruiqin)[1]; Xu, GJ (Xu, Guojin)[3]; Zheng, YS (Zheng, Yuansuo)[1]
2012-03-30
Source PublicationAPPLIED ORGANOMETALLIC CHEMISTRY
Volume26Issue:3Pages:114-120
Subtype期刊论文
Abstract

Monodisperse crosslinked poly(hydroxyethyl methacrylate) particles (pHEMA) were synthesized for immobilization of the chiral Mn(III)salen homogeneous catalyst by axial coordination. The pHEMA-Mn(III)salen catalyst was subsequently characterized by FT-IR, UV and scanning electron microscopy. The results showed that, the heterogeneous Mn(III)salen catalysts also exhibited high activity and enantioselectivity compared to the homogeneous catalyst for the disubstituted cyclic indene and 6-cyano-2,2-dimethylchromene. Moreover, the catalysts were easily separated from the reaction systems and could be renewed several times without significant loss of catalytic activity. Meanwhile, the enantiomeric excess (ee) value remained at 80% in the eighth cycle. The pHEMA support, immobilized by Mn(III)salen, probably acted as a mediator of the reaction between the substrate and the oxidant, and enhanced the stability of the Mn(III)salen compound.

DOI10.1002/aoc.1873
Indexed BySCI ; EI
Language英语
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Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10168
Collection黄土与第四纪地质国家重点实验室(2010~)
Corresponding AuthorTang, YH (Tang, Yuhai)[1]
Affiliation1.nstitute of Analytical Sciences, School of Science, Xi’an Jiaotong University,Xi’an, Shaanxi, 710061, China;
2.State Key Laboratory of Loess and Quaternary Geology, IEE, CAS, Xi’an,Shaanxi, 710075, China;
3.Medical School, Xi’an Jiaotong University, Xi’an, Shaanxi, 710061, China
Recommended Citation
GB/T 7714
Wei, SL ,Tang, YH ,Zhao, RQ ,et al. Monodisperse crosslinked pHEMA particle-supported chiral Mn(III)salen catalyst for asymmetric epoxidation of olefin[J]. APPLIED ORGANOMETALLIC CHEMISTRY,2012,26(3):114-120.
APA Wei, SL ,Tang, YH ,Zhao, RQ ,Xu, GJ ,&Zheng, YS .(2012).Monodisperse crosslinked pHEMA particle-supported chiral Mn(III)salen catalyst for asymmetric epoxidation of olefin.APPLIED ORGANOMETALLIC CHEMISTRY,26(3),114-120.
MLA Wei, SL ,et al."Monodisperse crosslinked pHEMA particle-supported chiral Mn(III)salen catalyst for asymmetric epoxidation of olefin".APPLIED ORGANOMETALLIC CHEMISTRY 26.3(2012):114-120.
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