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Synthesis and photophysical properties of photochromic phenyl-substituted polyphenylenes with main-chain azobenzene fragments |
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| Authors: | M. L. Keshtov O. V. Venidiktova V. A. Barachevskii V. A. Vasnev P. V. Petrovskii A. R. Khokhlov |
| Affiliation: | (1) Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, ul. Vavilova 28, Moscow, 119991, Russia;(2) Photochemistry Center, Russian Academy of Sciences, ul. Novatorov 7a, Moscow, 119421, Russia |
| Abstract: | New photochromic phenyl-substituted polyphenylenes containing azobenzene fragments in the backbone have been synthesized by the interaction of diacetylenes with bis(cyclopentadienones) via the Diels-Alder reaction. The polymers thus prepared exhibit the photochromic behavior and combine solubility in common organic solvents with high viscosity and thermal characteristics. |
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