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Photochromic Reactions of Diarylethenes with Isopropyl Groups

 

作者: Kingo Uchida,   Eriko Tsuchida,   Sinichiro Nakamura,   Seiya Kobatake,   Masahiro Irie,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  （Taylor Available online 2000）
卷期: Volume 345, issue 1  

页码: 9-14

 

ISSN:1058-725X

 

年代: 2000

 

DOI:10.1080/10587250008023887

 

出版商: Taylor & Francis Group

 

关键词: Photochromism;Diarylethene;Substituent effect;Quantum yield;Conformation

 

数据来源: Taylor

 

摘要:

Photochromic bisbenzothienylethene has two conformers, photo-reactive anti-parallel and inactive parallel ones. The cyclization quantum yield is dependent on the ratio of the two conformers. By the introduction of bulky substituents at 2-positions of the benzothiophene rings, the cyclization quantum yield increased along with the increase in the ratio of the anti-parallel conformer.

 

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