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题名: Cooperative Activation of Cobalt-Salen Complexes for Epoxide Hydration Promoted on Flexible Porous Organic Frameworks
作者: Zhong, Mingmei1, 2;  Li, He1;  Chen, Jian1, 2;  Tao, Lin1, 2;  Li, Can1;  Yang, Qihua1
关键词: cobalt ;  cooperation ;  epoxide hydration ;  flexibility ;  porous organic frameworks ;  salen
刊名: CHEMISTRY-A EUROPEAN JOURNAL
发表日期: 2017-08-25
DOI: 10.1002/chem.201702810
卷: 23, 期:48, 页:11504-11508
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: Developing solid catalysts with multiple active sites working cooperatively is desirable for efficient chemical transformations. However, most solid catalysts are rigid and impede the cooperation between their spatially isolated active sites. Two flexible porous organic frameworks (POFs) with integrated Co(salen) as active sites have been successfully synthesized for mimicking the cooperative modes of enzymes. The POFs exhibit second-order rate dependence on Co(salen) concentration in the network and afford much higher TOF (3300 versus 2670 h(-1)) than the homogeneous counterpart in the hydration of propylene epoxide. POFs with a flexible network thus not only facilitate but also enhance the cooperation of nearby Co(salen). Moreover, POFs could catalyze oversized substrates, have a wide substrate scope, and exhibit high stability.
关键词[WOS]: MESOPOROUS SILICA ;  BIOMIMETIC CATALYSTS ;  KINETIC RESOLUTION ;  ESTER HYDROLYSIS ;  EFFICIENT ;  OXIDATION ;  ZEOLITE ;  PORPHYRIN ;  WATER ;  NANOREACTORS
语种: 英语
WOS记录号: WOS:000408308200009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/149962
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, iChEM, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Zhong, Mingmei,Li, He,Chen, Jian,et al. Cooperative Activation of Cobalt-Salen Complexes for Epoxide Hydration Promoted on Flexible Porous Organic Frameworks[J]. CHEMISTRY-A EUROPEAN JOURNAL,2017,23(48):11504-11508.
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