Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 19, Issue 10, Pages 3366-3373Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201202520
Keywords
density functional calculations; photochromism; diarylethenes; thiophenes; X-ray diffraction
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Funding
- National Natural Science Foundation of China [20872147, 20952001]
- State Key Basic Research Program [2011CB808401]
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Four novel nonsymmetrical photochromic diarylethene compounds containing dithieno[3,2-b:2,3-d]thiophene units were designed and synthesized to investigate their photochromic properties. All these molecules adopt a photoactive antiparallel conformation in single crystals, as revealed by X-ray crystallographic analysis, and exhibit excellent photochromism in solution as well as in the crystalline phase.
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