Functionally Substituted 3-Heterylpyrazoles: XI. 3-[3-Aryl(heteryl)pyrazol-4-yl]propenoic and Propanoic acids |
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| Authors: | Bratenko M K Chornous V A Vovk M V |
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| Institution: | (1) Bukovina State Medical Academy, Chernovtsy, 58000, Ukraine;(2) Institute of Organic Chemistry, Ukrainian National Academy of Sciences, Kiev, Ukraine |
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| Abstract: | 3-Aryl(heteryl)-4-formylpyrazoles by condensation with malonic acid furnish 3-3-aryl(heteryl)- pyrazol-4-yl]propenoic acids that in the presence of Raney nickel are reduced by hydrazine hydrate to 3-3-aryl(heteryl)pyrazol-4-yl]propanoic acids. The successive conversion of both type acids into the corresponding acyl chlorides, esters, and amides was performed. |
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