title: Synthesis and antimicrobial activity of some 5-substituted-3-phenyl-Nbeta-(substituted-2-oxo-2H-pyrano[2,3-b]quinoline-3-carbonyl)-1H-indole-2-carboxyhydrazide.
abstract: Ethyl 3-oxo-3-{2-[(5-substituted-3-phenyl-1H-indol-2-yl)carbonyl]hydrazinyl}propanoates 5a-b were synthesized according to the literature method. These on further reaction with substituted-2-hydroxy-3-formylquinolines 3a-e yielded 5-substituted-N(beta)-(2-oxo-2H-pyrano[2,3-b]quinoline-3-carbonyl)-3-phenyl-1H-indole-2-carbohydrazides 6a-j. Structures of the all the newly synthesized compounds were confirmed by spectral data. All these compounds have been screened for their antibacterial activity against Staphylococcus aureus, Escherichia coli and Bacillus subtilus, antifungal activity against Aspergillus niger and Candida albicans and antituberculosis activity against Mycobacterium tuberculosis (H37R(v)).
authors.affiliation: Department of Studies and Research in Chemistry, Gulbarga University, Gulbarga-585106, Karnataka, India.
authors.forename: Basavarajaiah
authors.initials: B
authors.lastname: Suliphal Devara Mathada
authors.forename: Mruthyunjayaswamy
authors.initials: M
authors.lastname: Bennikallu Hire Mathada
mesh_terms: D000900:Anti-Bacterial Agents / Q000138:chemical synthesis / Q000494:pharmacology; D000890:Anti-Infective Agents / Q000138:chemical synthesis* / Q000494:pharmacology*; D000935:Antifungal Agents / Q000138:chemical synthesis / Q000494:pharmacology; D000995:Antitubercular Agents / Q000138:chemical synthesis / Q000494:pharmacology; D001419:Bacteria / Q000187:drug effects; D005658:Fungi / Q000187:drug effects; D007211:Indoles / Q000138:chemical synthesis* / Q000494:pharmacology*; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D008826:Microbial Sensitivity Tests; D009169:Mycobacterium tuberculosis / Q000187:drug effects; D011714:Pyrans / Q000138:chemical synthesis* / Q000494:pharmacology*; D011804:Quinolines / Q000138:chemical synthesis* / Q000494:pharmacology*; D017550:Spectroscopy, Fourier Transform Infrared; D013329:Structure-Activity Relationship
chemical_list: D000900:Anti-Bacterial Agents; D000890:Anti-Infective Agents; D000935:Antifungal Agents; D000995:Antitubercular Agents; D007211:Indoles; D011714:Pyrans; D011804:Quinolines