DICP OpenIR
Subject Area物理化学
Periodic Mesoporous Ethanesilicas with trans-(1R,2R)-Diaminocyclohexane in the Framework for Asymmetric Catalysis
Jiang DM(蒋冬梅); Yang QH(杨启华); Li C(李灿)
Conference Nameeuropacat VIII conference
Conference Date2007-8-26
2007-08-26
Conference Place芬兰
PagesP2-11/2
Department五室
Funding OrganizationScientific committee
AbstractMesoprous ethane-silicas with trans-(1R,2R)-diamninocyclohexane bridged in the framework were synthesized by one-step co-condensation under basic/acid conditions. These novel materials (complexed with [Rh(cod)Cl]2) are efficient catalysts for the asymmetric transfer hydrogenation of acetophenone. Compared with pure mesoporous silica counterparts, these chiral ethane-silicas are twice more active, which could be contributed to the increased hydrophobicity of the mesoporous ethane-silicas. Tuning the mesophase of the material from MCM-41 to SBA-15 can further improve the catalytic activity of the resulting catalyst. Adjusting the linker of the chiral ligand from propyl group to benzyl group can boost the catalytic activity and chiral inductivity of the materials. Key words: Periodic Mesoporous Organosilicas, Chirality, trans-(1R,2R)-Diaminocyclohexane
Language中文
Document Type会议论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/112534
Collection中国科学院大连化学物理研究所
Corresponding AuthorYang QH(杨启华); Li C(李灿)
Recommended Citation
GB/T 7714
Jiang DM,Yang QH,Li C. Periodic Mesoporous Ethanesilicas with trans-(1R,2R)-Diaminocyclohexane in the Framework for Asymmetric Catalysis[C],2007:P2-11/2.
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