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Photochromism of palmitoylamide-substituted indoline spiropyrans |
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| Authors: | O. A. Vinter O. V. Venidiktova L. S. Kol’tsova A. I. Shienok N. L. Zaichenko V. A. Barachevskii |
| Affiliation: | 1. Mendeleev University of Chemical Technology, Miusskaya pl. 9, Moscow, 125047, Russia 2. Center of Photochemistry, Russian Academy of Sciences, Moscow, Russia 3. Semenov Institute of Chemical Physics, Russian Academy of Sciences, ul. Kosygina 4, Moscow, 119991, Russia |
| Abstract: | A comparative spectral-kinetic and luminescent study of photochromic transformations of two palmitoylamide-substituted indoline spiropyrans was performed in solvents with various polarities and polyvinylbutyral binding and amorphous layers. The compounds were found to be photochromic and form aggregates of two types in addition to the monomeric merocyanine form under the action of UV irradiation. The formation of these photoproducts depended on solvent polarity and the state of aggregation of the substances. |
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