The allomorphism of a photochromic diary
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Shou-Zhi Pu; Fu-Shi Zhang; Fan Sun; Ru-Ji Wang; Xin-Hong Zhou; Shek-Kiu Chan
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Article
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2003
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Elsevier Science
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French
⚖ 323 KB
The photochromic diarylethene, 1,2-bis(2-methyl-5-(2,2%-dicyanovinyl)-thien-3-yl)perfluorocyclopentene (1a), was synthesized by a novel method. Two kinds of single crystals of the compound were obtained depending on the different recrystallization conditions and their structures were determined by X