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Mesoporous ethane-silicas functionalized with trans-(1R,2R)-diaminocyclohexane: Relation between structure and catalytic properties in asymmetric transfer hydrogenation
Jiang, Dongmei; Gao, Jinsuo; Yang, Jie; Su, Weiguang; Yang, Qihua; Li, Can
关键词Mesoporous Ethane-silicas Chirality Asymmetric Transfer Hydrogenation Tratis-(1r Acetophenone 2r)-diaminocyclohexane
刊名MICROPOROUS AND MESOPOROUS MATERIALS
2007-09-15
DOI10.1016/j.micromeso.2007.05.034
105期:1-2页:204-210
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]MOLECULAR-SIEVES ; ENANTIOSELECTIVE REDUCTION ; PORE-SIZE ; ORGANOSILICAS ; TEMPERATURE ; TEMPLATES ; COPOLYMER ; TRIBLOCK ; FOAMS
英文摘要trans-(IR,2R)-Diaminocyclohexane (DACH) functionalized mesoporous ethane-silicas with different porous structures were synthesized by addition of 1,3,5-trimethylbenzene (TMB) during co-condensation of 1, 2-bis(trimethoxysil yl) ethane and N-[(triethoxysilyl)propyl]-(-)-(1R,2R)-diaminocyclohexane in the presence of octadecyltrimethylammonium chloride under basic conditions. The addition of TMB can not only expand the pore diameter, but also induce the structural transformation from the ordered 2D-hexagonal mesostructure to the mesocellular foam-like (MCF-like) structure and the mixture of vesicle and worm-like structure. The DACH functionalized materials with different porous structures (after complexing with [Rh(cod)Cl](2)) were found to be active catalysts for the asymmetric transfer hydrogenation of acetophenone. The material with MCF-like structure exhibits the highest initial rate among all the materials tested. The catalytic activity of the solid catalysts could be greatly enhanced through adjusting the porous structure of the materials. (C) 2007 Elsevier Inc. All rights reserved.
语种英语
WOS记录号WOS:000250399300026
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/140624
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 Catal, Dalian 116023, Peoples R China
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GB/T 7714
Jiang, Dongmei,Gao, Jinsuo,Yang, Jie,et al. Mesoporous ethane-silicas functionalized with trans-(1R,2R)-diaminocyclohexane: Relation between structure and catalytic properties in asymmetric transfer hydrogenation[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2007,105(1-2):204-210.
APA Jiang, Dongmei,Gao, Jinsuo,Yang, Jie,Su, Weiguang,Yang, Qihua,&Li, Can.(2007).Mesoporous ethane-silicas functionalized with trans-(1R,2R)-diaminocyclohexane: Relation between structure and catalytic properties in asymmetric transfer hydrogenation.MICROPOROUS AND MESOPOROUS MATERIALS,105(1-2),204-210.
MLA Jiang, Dongmei,et al."Mesoporous ethane-silicas functionalized with trans-(1R,2R)-diaminocyclohexane: Relation between structure and catalytic properties in asymmetric transfer hydrogenation".MICROPOROUS AND MESOPOROUS MATERIALS 105.1-2(2007):204-210.
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