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Badwaik, Hemant
- Antibacterial Evaluation of Novel 2-Aryl-Quinoline -3- Carbaldehyde Derivatives
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Authors
Hemant Badwaik
1,
S. Venkataraman
2,
Deepa Thakur
1,
Minu Vinod
1,
J. Raamamurthy
1,
Kiran Deshmukh
2
Affiliations
1 Rungta College of Pharmaceutical Sciences and Research, Bhilai (C.G), IN
2 K.M. College of Pharmacy, Madurai (T.N), IN
1 Rungta College of Pharmaceutical Sciences and Research, Bhilai (C.G), IN
2 K.M. College of Pharmacy, Madurai (T.N), IN
Source
Asian Journal of Research in Chemistry, Vol 4, No 6 (2011), Pagination: 893-895Abstract
Acetanilide was cyclized via Vilsmeier-Haack reagent to give 2- chloro -3- formyl quinoline. The aldehydic group was protected to prevent the preferential attack of nitrogen nucleophiles. The protection of aldehydic group in the present system was achieved with ethylene glycol to afford dioxolan derivative. Dioxolan derivative treated with nitro substituted phenyl hydrazine in alcoholic solution followed by deprotection of aldehydic group afforded the 2-(2-(2- nitrophenyl) hydrazinyl) quinoline-3-carbaldehyde and 2-(2-(2, 4-dinitrophenyl) hydrazinyl) quinoline-3- carbaldehyde. The synthesized derivatives were screened for antimicrobial activity.Keywords
Vilsmeier–Haack Reagent, Dioxolan, 2-(2-(2, 4-Dinitrophenyl) Hydrazinyl) Quinoline-3- Carbaldehyde, Antimicrobial Agent.- Synthesis, Characterization and Antimicrobial Activity of A 5(4-(4- Substituted)Aminobenzylidine)Thiazolidine-2,4-Dione Derivatives
Abstract Views :171 |
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Authors
Affiliations
1 Ultra College of Pharmacy, Madurai (T.N), IN
2 Rungta College of Pharmaceutical Sciences and Research, Bhilai (C.G), IN
1 Ultra College of Pharmacy, Madurai (T.N), IN
2 Rungta College of Pharmaceutical Sciences and Research, Bhilai (C.G), IN
Source
Asian Journal of Research in Chemistry, Vol 4, No 1 (2011), Pagination: 40-43Abstract
A novel 5(4-(4-substituted)Aminobenzylidine)thiazolidine-2,4-dione derivatives were synthesized and characterized by IR and H-NMR spectral analysis. Antibacterial and antifungal activities of the compounds were assessed by in vitro growth inhibitory activity against Escherichia coli, Staphylococcus aureus, Asperigillus niger, Candida albicans by using the disc diffusion method. Most of all compounds exhibited significant antibacterial activity against Staphylococcus aureus and Escherichia coli, while weak antifungal activity against Asperigillus niger and Candida albicans.
Keywords
Thiazolidine-2,4-dione, Antibacterial and Antifungal Activity, Disc Diffusion Method.- Synthesis and Antibacterial Evaluation of Some Novel Phenylthiazolyl-Quinqzolin-4(3h)-One Derivative
Abstract Views :161 |
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Authors
Hemant Badwaik
1,
Sandeep Sonkar
1,
Mukesh Singh
1,
Suresh Rajpal
1,
Dharamveer Sisodiya
1,
Ajit Pandey
1
Affiliations
1 Ultra College of Pharmacy, Madurai, Tamil Nadu, IN
1 Ultra College of Pharmacy, Madurai, Tamil Nadu, IN