One-pot synthesis and antibacterial activities of pyrazolo[4′,3′:5,6]pyrido[2,3-d]pyrimidine-dione derivatives

A one-pot and efficient method for the synthesis of pyrazolo[4′,3′:5,6]pyrido[2,3-d]pyrimidine-dione derivatives by condensation reaction of barbituric acids, 1H-pyrazol-5-amines and aldehydes under solvent-free conditions is reported. These products were evaluated in vitro for their antibacterial activities.

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