M. Krayushkin, L. G. Vorontsova, V. Yarovenko
Nov 1, 2008
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Journal
Russian Chemical Bulletin
Abstract
New 1,2-dihetarylethene containing two 6-acetyl-2-methylbenzo[b]thiophene moieties linked by the cyclopentene bridge was synthesized. In a toluene solution, this compound exhibits photochromic properties. The X-ray diffraction study showed that the crystal structure also has properties characteristic of photochromic compounds, viz., the anti-parallel conformation of the molecule and the distance between the reaction centers equal to 3.729 Å.