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题名: Chirally functionalized mesoporous organosilicas with built-in BINAP ligand for asymmetric catalysis
作者: Wang, Peiyuan1, 2;  Liu, Xiao1, 2;  Yang, Jie1;  Yang, Yan1, 2;  Zhang, Lei1;  Yang, Qihua1;  Li, Can1
刊名: JOURNAL OF MATERIALS CHEMISTRY
发表日期: 2009
DOI: 10.1039/b913808k
卷: 19, 期:42, 页:8009-8014
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Materials Science
英文摘要: The chirally functionalized periodic mesoporous organosilica (PMO) with C(2)-symmetric chiral building blocks, BINAP (2,2'-bis(diphenylphosphino)-1,1'-binaphthyl), in the pore wall was successfully synthesized for the first time using a successive co-condensation and post-synthesis modification method. Chiral BINAPO (2,2'-bis(diphenylphosphinooxide)-1,1'-binaphthyl) bridging mesoporous organosilica with highly ordered 2-D hexagonal structure was first synthesized by co-condensation of (R)-5,5'-bis(3-triethoxysilylpropyl-1-ureyl)-2,2'-bis(diphenylphosphinooxide)-1,1'-binaphthy with tetramethoxylsilane in the presence of block copolymer P123 as template under weakly acidic conditions. The BINAPO in the pore wall of PMO was reduced with trichlorosilane to generate BINAP using a post-synthesis modification method. The chiral PMO with built-in BINAP (coordination with [RuCl(2)-(benzene)](2)) is an efficient solid catalyst for the asymmetric hydrogenation of beta-keto esters with ee as high as 99%, which is among the highest ever reported for the chirally functionalized PMOs in asymmetric catalysis.
关键词[WOS]: AROMATIC KETONES ;  HYBRID MATERIALS ;  ORGANIC GROUPS ;  HYDROGENATION ;  SILICA ;  FRAMEWORK ;  PMOS ;  COMPLEX ;  SOLIDS ;  ESTERS
语种: 英语
WOS记录号: WOS:000270942100030
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141414
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Wang, Peiyuan,Liu, Xiao,Yang, Jie,et al. Chirally functionalized mesoporous organosilicas with built-in BINAP ligand for asymmetric catalysis[J]. JOURNAL OF MATERIALS CHEMISTRY,2009,19(42):8009-8014.
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