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Synthesis and spectral kinetic study of photoinduced processes of photochromic nitro-substituted indoline and benzothienopyrroline spiropyrans in solutions |
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| Authors: | Shirinian V. Z. Barachevsky V. A. Shimkin A. A. Krayushkin M. M. Mailian A. K. Tsyganov D. V. Vinter O. A. Venidiktova O. V. |
| Affiliation: | 1.N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 119991, Moscow, Russian Federation ;2.Photochemistry Center, Russian Academy of Sciences, 7a ul. Novatorov, 119421, Moscow, Russian Federation ;3.D. Mendelyev University of Chemical Technology of Russia, 9 Miusskaya pl., 125047, Moscow, Russian Federation ; |
| Abstract: | Nitro-substituted benzothienopyrroline spiropyrans containing substituents in the ben-zothienopyrroline moiety were synthesized. The comparative spectral kinetic study of the pho-tochromic transformations of these compounds and their indoline analogs in solvents of various polarity was carried out. On the basis of the results obtained and literature data, the photoin-duced aggregation of molecules of the merocyanine form in weakly polar solvents was suggested. |
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