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Inside back cover

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Journal of Materials Chemistry A Vol - 4 Issue - 29

Journal of Materials Chemistry A Vol - 4 Issue - 19

Journal of Materials Chemistry A Vol - 4 Issue - 9

Journal of Materials Chemistry A Vol - 4 Issue - 8

Journal of Materials Chemistry A Vol - 4 Issue - 7

Journal of Materials Chemistry A Vol - 4 Issue - 6

Journal of Materials Chemistry A Vol - 4 Issue - 5

Journal of Materials Chemistry A Vol -3

Journal of Materials Chemistry A Vol -2

Journal of Materials Chemistry A Vol -1

Anionic porous polymers with tunable structures and catalytic properties

Content Provider	Royal Society of Chemistry (RSC)
Author	Zhao, Wuxue Wagner, Manfred Graf, Robert Zhuang, Xiaodong Bi, Shuai Yao, Yefeng Feng, Xinliang Hansen, Michael Ryan Yang, Lingyun Wu, Dongqing Zhang, Fan
Copyright Year	2016
Abstract	A series of boron-containing conjugated microporous polymers with hierarchical porous structures have been readily prepared via typical transition metal-catalyzed coupling reactions. The distribution of micro- and mesopores in the networks as well as the specific surface areas are tunable via tailoring the structures of the building blocks. The distinct capability of the resulting Lewis acid-based neutral porous polymers to selectively capture fluoride ions provides a high-efficiency conversion into stable anionic porous polymers. For the first time, fluoride anion binding to boron atoms in a solid sample was essentially characterized by solid-state 11B MAS NMR spectroscopy, clearly revealing such an efficient conversion from a neutral network to a negatively charged one only through Lewis acid–base adduct formation. Upon a simple ion-exchange process, various heavy metal cations were facile to be loaded into the networks of the anionic porous polymers. Furthermore, the cobalt(II)-loaded porous polymers were shown to promote the stoichiometric homocoupling reactions of the different aryl Grignard regents, and exert distinct size selectivities for the homocoupling products, highly dependent on their porous structures. Such a successful loading strategy might be used for design and synthesis of new types of zeolite-like porous polymers with desirable catalytic properties for a certain organic transformation, as well as other functional materials.
Starting Page	15162
Ending Page	15168
Page Count	7
File Format	HTM / HTML PDF
ISSN	20507488
Volume Number	4
Issue Number	39
Journal	Journal of Materials Chemistry A
DOI	10.1039/c6ta04917f
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Subscribed
Subject Keyword	Lewis Fluorine Ion Boron Magic angle spinning Nuclear magnetic resonance spectroscopy Neutral network (evolution) Adduct Heavy metals Cobalt Stoichiometry Aryl Grignard reaction
Content Type	Text
Resource Type	Article
Subject	Chemistry Renewable Energy, Sustainability and the Environment Materials Science

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