4-Functionally Substituted 3-heterylpyrazoles: XII. 4-Chlorothieno[2,3-c]pyrazole-5-carbonyl Chlorides |
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Authors: | Bratenko M K Chornous V A Vovk M V |
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Institution: | (1) Bukovinskaya State Medical Academy, Chernovtsy, Ukraine |
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Abstract: | 3-(4-Pyrazolyl)acrylic acids reacted with excess thionyl chloride in the presence of benzyltriethylammonium chloride affording 4-chlorothieno2,3-c]pyrazole-5-carbonyl chlorides which were converted into the corresponding acids, esters, and amides. |
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