ISSN : 0970 - 020X, ONLINE ISSN : 2231-5039
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Abstract

Synthesis, Characterization and Antimicrobial Activity of Thiazolo-Oxazine Fused Heterocyclic Derivatives Based on Benzene Sulfonyl Hydrazide

Saisuryanarayana Donthukurthi1, Devdatt J Patel2*, Rakesh I. Patel1 and Piyush J. Vyas1

DOI : http://dx.doi.org/10.13005/ojc/390323


Abstract:

Schiff bases of Benzene sulfonyl hydrazide (SBSZ) (1a-e) were prepared by using various benzaldehyde derivatives. (1a-e) SBSZ were then condensed with mercapto acetic acid. The obtained resultant 2-thiazolidinone derivatives (2a-e) were then condensed with 5-nitro-2-furfuralidine derivatives i.e. (Z)-N-(5-((5-nitrofuran-2-yl) methylene)-4-oxo-2-substitutedthiazolidin-3-yl) benzenesulfonamide (3a-e). These derivatives were further condensed with phenyl urea to yield fused heterocyclic derivatives i.e. N-(2-substituted-7-(5-nitrofuran-2-yl)-5-(phenylamino)-2H-thiazolo[5,4-e][1,3]oxazin-3(3aH)-yl) benzene sulfonamide (4a-e). All the derivatives were characterised by C, H, N elemental analyser and IR-NMR-Mass Spectra. The antimicrobial properties of all the derivatives were studied for selected common microbes. The results of antibacterial activity of all three series (i.e. 2a-e, 3a-e, and 4a-e) of compounds indicate that all compounds are toxic for bacteria. However, the chlorine containing compounds are more toxic than others.

Keywords:

Antimicrobial Activity; Elemental Analysis; Schiff base; Spectral features; Thiazolidinone

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