Photochromism of Hemithioindigo Derivatives. I. Preparation and Photochromic Properties in Organic Solvents.

T Yamaguchi, T Seki, T Tamaki, K Ichimura

Index: Yamaguchi, Takeo; Seki, Takahiro; Tamaki, Takashi; Ichimura, Kunihiro Bulletin of the Chemical Society of Japan, 1992 , vol. 65, # 3 p. 649 - 656

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Citation Number: 24

Abstract

Thirteen hemithioindigo (HT) derivatives bearing alkyl chains are newly synthesized and their photochromism and emission properties are investigated. The Z/E photoisomerisms of these compounds in organic solvents are essentially in agreement with data reported by Mostoslavskii and Izmail'skii (J. Gen. Chem. USSR, Engl Transl.), 31, 21 (1961), and subsequent papers). At 77 K both the E and Z isomers of HT chromophore emit ...

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