ChemInform Abstract: Interaction of 3,3-
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V. YA. SOSNOVSKIKH; M. YU. MEL'NIKOV; M. I. KODESS
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Article
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2010
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John Wiley and Sons
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Interaction of 3,3-Disubstituted 6-Trifluoromethyl-2,3-dihydro-4pyrones with Hydrazine Hydrate. -Reaction of 3,3-disubstituted-6trifluoromethylpyrones (I) with hydrazine hydrate affords the 6-trifluoromethyl-6-hydrazinopyrone derivatives (II) which undergo a recyclization to the pyrazole derivative