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Photochromism of diarylethene oxazole derivatives in a single-crystalline phase

Paper ID Volume ID Publish Year Pages File Format Full-Text
28076 44058 2009 6 PDF Available
Title
Photochromism of diarylethene oxazole derivatives in a single-crystalline phase
Abstract

Four diarylethene derivatives (3a–6a) bearing an oxazole ring have been prepared in an attempt to construct a system that shows photochromism upon UV irradiation in a crystalline phase. The crystals (3a, 5a, and 6a) did not show photochromism in the crystalline phase. A pure single crystal of 1-(2-methyl-1-benzofuran-3-yl)-2-(5-methyl-2-phenyl-4-oxazolyl)perfluorocyclopentene (4a) shows photochromism only in a single-crystalline phase. X-ray analysis proved that 4a packs in an anti-parallel orientation, which demonstrates photochromism in a single-crystalline phase.

Keywords
Diaryethene; Photochromism; Oxazole derivative; Heteroaryl unit
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 207, Issues 2–3, 25 September 2009, Pages 282–287
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
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Price was $35.95
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