2015年
Interlocked dimerization of C-3-Symmetrical boron difluoride complex: designing non-cooperative supramolecular materials for luminescent thin films
RSC ADVANCES
- ,
- ,
- ,
- 巻
- 5
- 号
- 74
- 開始ページ
- 60373
- 終了ページ
- 60379
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1039/c5ra11908a
- 出版者・発行元
- ROYAL SOC CHEMISTRY
A lipophilic complex with radially-connected three beta-diketonate boron difluoride (BF(2)dk) units to a central benzene ring was newly developed. The C-3-symmetrical BF(2)dk complex (1) formed a self-complementary interlocked dimer (1)(2) with increasing concentration in CHCl3 as revealed by NMR spectroscopy and quantum chemical calculations. A remarkable luminescence color change from blue to yellow was observed in response to the formation of interlocked dimers. Electrostatic interactions, hydrogen bonding between negative convexes (BF2 moiety) and positive concaves (three protons aligned on each arm) principally contribute to the dimerization, whereas the formation of interlocked dimers was accompanied by conformational changes of constituent molecules which interrupted further association. Consequently, casting of the chloroform solution of interlocked dimers on solid supports gave uniform thin films without uneven crystallization. It provides a new perspective for designing anti-cooperative systems for homogeneous molecular coatings.
- リンク情報
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- DOI
- https://doi.org/10.1039/c5ra11908a
- Web of Science
- https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000358230400068&DestApp=WOS_CPL
- URL
- https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84937128976&origin=inward
- ID情報
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- DOI : 10.1039/c5ra11908a
- ISSN : 2046-2069
- SCOPUS ID : 84937128976
- Web of Science ID : WOS:000358230400068