Aroylmethyl esters of 4-formylpyrazole-3-carboxylic acids underwent intramolecular cyclocondensation in the presence of sodium acetate in refluxing acetic anhydride, giving moderate yields of 5-aroylpyrano[3,4-с]pyrazol-7(2Н)-ones. Click to show full abstract
Aroylmethyl esters of 4-formylpyrazole-3-carboxylic acids underwent intramolecular cyclocondensation in the presence of sodium acetate in refluxing acetic anhydride, giving moderate yields of 5-aroylpyrano[3,4-с]pyrazol-7(2Н)-ones.
Keywords:
pyrazoles synthesis;
aroylpyrano pyrazol;
synthesis aroylpyrano;
polyfunctional pyrazoles;
pyrazol ones
Journal Title: Chemistry of Heterocyclic Compounds
Year Published: 2017
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Journal Title: Chemistry of Heterocyclic Compounds
Year Published: 2017
Link to full text (if available)
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recommendations!