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KMID : 1059520080520050503
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Journal of the Korean Chemical Society
2008 Volume.52 No. 5 p.503 ~ p.510
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Unusual Formation of N-hydroxy-3,3-dimethyl-2,6-diarylpiperidin-4-one and its Thiosemicarbazide Derivative-Synthesis and Antimicrobial Activity
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M. Gopalakrishnan
J. Thanusu
V. Kanagarajan
P. Sureshkumar
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Abstract
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An array of novel N-Hydroxy-3,3-dimethyl-2,6-diarylpiperidin-4-one thiosemicarbazones 28-32 are synthesized, characterized by melting point, elemental analysis, MS, FT-IR, NMR (1H & 13C) spectroscopic data and evaluated for their in vitro antibacterial and antifungal activities. Of all the compounds synthesized, compound 31, exerted a wide range of antibacterial activities against the entire tested gram-positive and gram-negative bacterial strains except Escherichia coli. Compound 31 exerted strong antifungal activities against Aspergillus flavus, Mucor and Microsporum gypsuem.
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KEYWORD
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N-Hydroxy-3, 3-dimethyl-2, 6-diarylpiperidin-4-one Thiosemicarbazones, m-chloroperbenzoic Acid, Stereochemistry, Antimicrobial
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