Reactions of copper(II) polyfluorinated Β-diketonates and Β-ketoesterates with hydrazines |
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| Authors: | P N Kondrat'ev Z é Skryabina V I Saloutin K I Pashkevich N A Klyuev G G Aleksandrov |
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| Institution: | (1) Institute of Chemistry Ural Branch, Academy of Sciences of the USSR, Sverdlovsk |
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| Abstract: | It has been shown that pyrazoles (hydroxypyrazoles) are formed upon reaction of fluorine-containing copper  -diketonates (-ketoesterates) with hydrazines and their hydrochlorides. A preparative method has been developed for the synthesis of fluorinated pyrazoles and hydroxypyrazoles via treatment of fluorine-containing -diketonate and -ketoesterate copper compounds with hydrazines. The molecular structure of 1-phenyl-3-octafluorobutyl-5-hydroxypyrazole has been established based on x-ray structural analysis.Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 640–645, March, 1990. |
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