Issue 23, 2013

Thermal bleaching reactions of photochromic diarylethenes with thiophene-S,S-dioxide for a light-starting irreversible thermosensor

Abstract

Thiophene-S,S-dioxidized diarylethenes introducing bulky substituents at the reactive positions were newly synthesized. The diarylethenes showed reversible photochromism, whereas the photocycloreversion reaction was suppressed by thiophene-oxidation. The diarylethene closed-ring isomers having secondary alkyl groups at the reactive positions were found to undergo thermal bleaching reactions which produce at least three types of byproducts. Such materials could find application as light-starting irreversible thermosensors.

Graphical abstract: Thermal bleaching reactions of photochromic diarylethenes with thiophene-S,S-dioxide for a light-starting irreversible thermosensor

Supplementary files

Article information

Article type
Communication
Submitted
04 Jan 2013
Accepted
02 Feb 2013
First published
04 Feb 2013

Chem. Commun., 2013,49, 2362-2364

Thermal bleaching reactions of photochromic diarylethenes with thiophene-S,S-dioxide for a light-starting irreversible thermosensor

H. Shoji and S. Kobatake, Chem. Commun., 2013, 49, 2362 DOI: 10.1039/C3CC00053B

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