Unexpected photochemical transformation of imidazole derivatives containing the 5-hydroxy-2-methyl-4H-pyran-4-one moiety. Environmentally friendly method for the synthesis of substituted imidazo[1,5-a]pyridine-5,8-diones |
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| Authors: | Valeriya G. Melekhina Andrey N. Komogortsev Boris V. Lichitsky Vitaly S. Mityanov Artem N. Fakhrutdinov Arkadii A. Dudinov Vasily A. Migulin Yulia V. Nelyubina Elizaveta K. Melnikova Michail M. Krayushkin |
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| Affiliation: | 1. N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Pr., 47, Moscow 119991, Russian Federation;2. Department of Fine Organic Synthesis and Chemistry of Dyes, D. Mendeleyev University of Chemical Technology of Russia, Miusskaya Sq., 9, Moscow 125047, Russian Federation;3. A.N. Nesmeyanov Institute of Organoelement Compounds, Vavilova Str. 28, Moscow 119991, Russian Federation;4. Lomonosov Moscow State University, Moscow 119991, Russian Federation |
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| Abstract: | An unexpected photochemical transformation of imidazole derivatives containing the 5-hydroxy-2-methyl-4H-pyran-4-one moiety was discovered, which led to the synthesis of previously unknown imidazo[1,5-a]pyridine-5,8-dione derivatives. The structures of imidazole and imidazo[1,5-a]pyridine-5,8-dione derivatives were unambiguously determined by X-ray diffraction analysis. |
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| Keywords: | Corresponding author. Photochemical transformation Allomaltol Trisubstituted imidazoles |
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