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High Affinity of Crowned Bis(Spirobenzopyran) for Multi-Valent Metal Ions Based on Doubly Armed Ionic Interaction

 

作者: Takashi Teranishi,   Masaaki Yokoyama,   Hidefumi Sakamoto,   Keiichi Kimura,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  （Taylor Available online 2000）
卷期: Volume 344, issue 1  

页码: 271-276

 

ISSN:1058-725X

 

年代: 2000

 

DOI:10.1080/10587250008023848

 

出版商: Taylor & Francis Group

 

关键词: crown ether;spirobenzopyran;double ionic interaction;calcium ion complexation;ion selectivity;photocontrol

 

数据来源: Taylor

 

摘要:

Crowned bis(spirobenzopyran)1can bind a divalent metal ion Ca2+more powerfully than monovalent alkali metal ions due to the doubly armed ionic interaction. The Ca2+complexation and selectivity between Ca2+and K+can be controlled by turning on and off visible light.

 

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