Synthesis of 3-(2′-Hydroxy-3′-Nitro-5′-Methylphenyl)-5-(Aryl/Heteryl) -2-Pyrazoles

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The present study deals with the synthesis and characteristics of 3-(2'-hydroxy-3'-nitro-5'-methylphenyl)-5-(aryl/heteryl) pyrazoles synthesized from 1-(2'-hydroxy-3'-nitro-5'-methylphenyl)-3-aryl/heteryl-2-propen-1-ones by reaction with hydrazine hydrate in ethanol. The structures of synthesized compounds have been established by spectral (IR, NMR, etc.) and elemental analysis.

Chalcone; pyrazoles