Convenient synthesis of 4-triflouromethylpyrazoles by cyclization of triflouroacetylated hydrazones
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説明
Abstract Several 4-trifluoromethyl-1-alkylpyrazoles were synthesized in good yields by trifluoroacetic anhydride-pyridine induced cyclization reaction of acylhydrazones prepared from aldehyde dialkylhydrazones and trifluoroacetic anhydride.
収録刊行物
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- Tetrahedron Letters
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Tetrahedron Letters 29 5281-5284, 1988-01-01
Elsevier BV