Journal
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
Volume 212, Issue 2-3, Pages 176-182Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2010.04.013
Keywords
Dithienylethene; Photochromism; Photoisomerization; Quantum yield
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Funding
- Natural Sciences and Engineering Research Council (NSERC) of Canada
- Saskatchewan Health Research Foundation (SHRF)
- University of Regina
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Photochromic dithienylethenes that possess elements of lipid complementarity, and undergo large, photoinduced changes in molecular geometry have been prepared. Further, a regioselective approach has been developed for the preparation of dithienylethenes containing phenylethynyl and various aryl substituents at C2 and C5 of the thiophene moieties, respectively. The prepared photochromic compounds were observed to undergo reversible photoisomerization. Their absorption properties, reaction quantum yields, and photoconversions were determined in n-hexane. (C) 2010 Elsevier B.V. All rights reserved.
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