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SYNTHESIS, CHARACTERIZATION, AND ANTIBACTERIAL EVALUATION OF NEW ALKYL 2-AMINO-4-ARYL-4H-CHROMENE-3-CARBOXYLATES

Sedighe Gholipour, Abolghasem Davoodnia, Mahboobeh Nakhaei-Moghaddam
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Abstract


A series of alkyl 2-amino-4-aryl-4H-chromene-3-carboxylates was synthesized by an efficient, solvent-free one-pot three-component cyclocondensation of resorcinol, aromatic aldehydes, and ethyl or methyl cyanoacetate using sodium carbonate as catalyst. The present methodology offers several advantages, such as a simple procedure with ease of handling, short reaction time, high yields, and the absence of any volatile and hazardous organic solvents. The products were characterized on the basis of IR, 1H NMR, and 13C NMR spectral and microanalytical data and evaluated for their antibacterial activity against Gram-positive bacteria (Staphylococcus epidermidis and Staphylococcus aureus) and Gram-negative bacteria (Escherichia coli) using paper disc diffusion technique.

How to Cite
Gholipour, S.; Davoodnia, A.; Nakhaei-Moghaddam, M. Chem. Heterocycl. Compd. 2015, 51, 808. [Khim. Geterotsikl. Soedin. 2015, 51, 808.]

For this article in the English edition see DOI 10.1007/s10593-015-1779-1


Keywords


alkyl 2-amino-4-aryl-4H-chromene-3-carboxylates; ethyl cyanoacetate; methyl cyanoacetate; sodium carbonate; antibacterial activity; cyclocondensation

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