期刊
CHEMICAL PAPERS
卷 64, 期 6, 页码 818-824出版社
SPRINGER INTERNATIONAL PUBLISHING AG
DOI: 10.2478/s11696-010-0072-0
关键词
2-amino-3-formylchromone; 4-hydroxycoumarin; pyranopyridines; antibacterial
资金
- University Grants Commission, New Delhi
Enol lactones such as 4-hydroxy-6-methyl-2H-pyran-2-one (triacetic acid lactone, TAL) and 4-hydroxycoumarin when treated with 2-amino-3-formylchromone under basic conditions afforded 3-acetoacetyl benzopyranopyridones and benzopyranopyridines, respectively. A series of pyrazole derivatives was prepared by the reaction of 3-acetoacetyl benzopyranopyridones with different hydrazines. All compounds were characterised on the basis of spectral data and their antibacterial activity evaluated. (C) 2010 Institute of Chemistry, Slovak Academy of Sciences
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