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Asymmetric ring-opening of epoxides on chiral Co(Salen) catalyst synthesized in SBA-16 through the "ship in a bottle" strategy
Yang, Hengquan; Zhang, Lei; Su, Weiguang; Yang, Qihua; Li, Can
关键词Ship In a Bottle Mesoporous Cage-like Material Salen Catalyst Asymmetric Ring-opening
刊名JOURNAL OF CATALYSIS
2007-06-10
DOI10.1016/j.jcat.2007.03.006
248期:2页:204-212
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]HETEROGENEOUS ENANTIOSELECTIVE CATALYST ; HYDROLYTIC KINETIC RESOLUTION ; MESOPOROUS SILICA ; SALEN COMPLEXES ; ZEOLITE-Y ; TERMINAL EPOXIDES ; EPOXIDATION ; OXIDATION ; MCM-41 ; TEMPERATURE
英文摘要Chiral Co(Salen) complex was synthesized in the mesoporous cage of SBA-16 through the "ship in a bottle" method. The pore entrance size of SBA-16 was precisely tailored by varying the autoclaving time and silylation with phenyltrimethoxysilane to trap Co(Salen) complex in the cage of SBA-16. Chiral Co(Salen) trapped in SBA-16 shows enantioselectivity (up to 87-96% ee) as high as that of the homogeneous catalyst for the asymmetric ring opening of terminal epoxides and can be recycled at least 10 times with no apparent loss of activity. The activity for the catalyst trapped inside SBA-16 can be significantly increased when the surface is modified with organic groups. This work extends the "ship in a bottle" synthesis from microporous materials to mesoporous cage-like materials and develops an effective strategy to trap metal complex catalyst with large molecular size into the nanopores or cavities of mesoporous materials. (c) 2007 Elsevier Inc. All rights reserved.
语种英语
WOS记录号WOS:000247327300006
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被引频次:75[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/140473
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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Yang, Hengquan,Zhang, Lei,Su, Weiguang,et al. Asymmetric ring-opening of epoxides on chiral Co(Salen) catalyst synthesized in SBA-16 through the "ship in a bottle" strategy[J]. JOURNAL OF CATALYSIS,2007,248(2):204-212.
APA Yang, Hengquan,Zhang, Lei,Su, Weiguang,Yang, Qihua,&Li, Can.(2007).Asymmetric ring-opening of epoxides on chiral Co(Salen) catalyst synthesized in SBA-16 through the "ship in a bottle" strategy.JOURNAL OF CATALYSIS,248(2),204-212.
MLA Yang, Hengquan,et al."Asymmetric ring-opening of epoxides on chiral Co(Salen) catalyst synthesized in SBA-16 through the "ship in a bottle" strategy".JOURNAL OF CATALYSIS 248.2(2007):204-212.
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