Bulletin of the Academy of Sciences of the USSR Division of Chemical Science p. 561 - 565 (1990)
Update date:2022-08-04
Topics:
Kondrat'ev, P. N.
Skryabina, Z. E.
Saloutin, V. I.
Pashkevich, K. I.
Klyuev, N. A.
Aleksandrov, G. G.
It has been shown that pyrazoles (hydroxypyrazoles) are formed upon reaction of fluorine-containing copper β-diketonates (β-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 β-diketonate and β-ketoesterate copper compounds with hydrazines.The molecular structure of 1-phenyl-3-octafluorobutyl-5-hydroxypyrazole has been established based on x-ray structural analysis.
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