Green and highly efficient synthesis of pyranopyrazoles in choline chloride/urea deep eutectic solvent |
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Authors: | Adeleh Moshtaghi Zonouz Davoud Moghani |
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Affiliation: | 1. Chemistry Department, Faculty of Science, Azarbaijan Shahid Madani University, Tabriz, Iranadelehmz@yahoo.com;3. Chemistry Department, Faculty of Science, Azarbaijan Shahid Madani University, Tabriz, Iran |
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Abstract: | A simple and efficient multicomponent protocol, using ammonium deep eutectic solvent as a dual catalyst and environmentally benign reaction medium, is developed for the synthesis of dihydropyrano[2,3-c]pyrazole derivatives. This operationally simple protocol does not involve tedious workup or purification, affording the target compounds in short reaction times and excellent yields and avoiding the use of environmentally hazardous solvents and catalysts. |
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Keywords: | Deep eutectic solvent green chemistry multicomponent reaction pyranopyrazole |
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