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Chem."],"accepted":{"date-parts":[[2014,11,10]]},"abstract":"<jats:p>A one-pot reaction between C<jats:sub>2<\/jats:sub>F<jats:sub>5<\/jats:sub>CH<jats:sub>2<\/jats:sub>NH<jats:sub>2<\/jats:sub>\u00b7HCl, NaNO<jats:sub>2<\/jats:sub> and electron-deficient alkynes gives C<jats:sub>2<\/jats:sub>F<jats:sub>5<\/jats:sub>-substituted pyrazoles in excellent yields. The transformation smoothly proceeds in dichloromethane\/water, tolerates the presence of air, and requires no purification of products by column chromatography. 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