Synthesis and Antifungal in Vitro Evaluation of Pyrazolo[3,4-b]pyridines Derivatives Obtained by Aza-Diels–Alder Reaction and Microwave Irradiation

A series of pyrazolo[3,4-b]pyridines were prepared by a microwave-assisted aza-Diels–Alder reaction between pyrazolylformimidamides 1 and β-nitrostyrenes 2 in toluene as the solvent. This procedure provides a simple one-step and environmentally friendly methodology with good yields for the synthesis...

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