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学科主题物理化学
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)
会议名称europacat VIII conference
会议日期2007-8-26
2007-08-26
会议地点芬兰
页码P2-11/2
部门归属五室
主办者Scientific committee
英文摘要Mesoprous 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
语种中文
文献类型会议论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/112534
专题中国科学院大连化学物理研究所
通讯作者Yang QH(杨启华); Li C(李灿)
推荐引用方式
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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