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Abstract
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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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