Journal
TETRAHEDRON LETTERS
Volume 46, Issue 32, Pages 5409-5412Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2005.05.142
Keywords
one-step synthesis; photochromic properties; fluorescence
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A new photochromic compound based on the hexatriene backbone was prepared by one-step coupling. The photochromic backbone, composed of three thiophene ring, undergoes reversible ring-opening and ring-closing photoisomerization reactions when irradiated with ultraviolet and visible light, respectively. It exhibited fatigue resistance and thermally irreversible photochromic properties. The ring-open form exhibits appreciable fluorescence, while quenched by the ring-closed form. (c) 2005 Elsevier Ltd. All rights reserved.
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