Supramolecular β-cyclodextrin as a highly efficient, biodegradable, and reusable catalyst for the synthesis of 4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbonitrile derivatives (4a–s) is investigated via a cascade reaction of aldehydes, malanonitrile and 2-aminopyridine in aqueous… Click to show full abstract
Supramolecular β-cyclodextrin as a highly efficient, biodegradable, and reusable catalyst for the synthesis of 4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbonitrile derivatives (4a–s) is investigated via a cascade reaction of aldehydes, malanonitrile and 2-aminopyridine in aqueous medium at 65 °C under ultrasonication. This procedure has the advantages of good yields, easy work-up, and benign environment friendly character. All of the synthesized derivatives were evaluated for their in vitro antibacterial activity against four bacterial strains.Graphical Abstract
Journal Title: Catalysis Letters
Year Published: 2017
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