Reaction of hydrazines and hydroxylamine with trifluoromethyl-b-diketones: Synthesis of trifluoromethylpyrazole and isoxazole derivatives.

[摘要]：A review. The reaction of trifluoromethyl-b-diketones with hydrazines and hydroxylamine finds interesting application in the synthesis of trifluoromethylpyrazole and isoxazole derivs. This review covers the literature of the reactions mentioned ?007. Mechanistic aspects leading to the formation of these heterocycles and their NMR spectral characteristics are also described.

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