Substitution Effect on the Coloration Quantum Yield of a Photochromic Bisbenzothienylethene

Substitution Effect on the Coloration Quantum Yield of a Photochromic Bisbenzothienylethene

Introduction of isopropyl substituents to 2 and 2′ positions of benzothiophene rings of bis(1-benzothiophen-3-yl)hexa-fluorocyclopentene increased the population of anti-parallel conformation, and enhanced the quantum yield of the cyclization reaction.

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Veröffentlicht in:Chemistry letters 1999-01, Vol.28 (1), p.63-64
Hauptverfasser: Uchida, Kingo, Tsuchida, Eriko, Aoi, Yoshifumi, Nakamura, Shinichiro, Irie, Masahiro
Format: Artikel
Sprache:eng
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Zusammenfassung:Introduction of isopropyl substituents to 2 and 2′ positions of benzothiophene rings of bis(1-benzothiophen-3-yl)hexa-fluorocyclopentene increased the population of anti-parallel conformation, and enhanced the quantum yield of the cyclization reaction.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.1999.63