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Synthesis, characterisation and antibacterial activity of Schiff base derived from S-methyldithiocarbazate and methylisatin.

Abdul Manan, Mohd Abdul Fatah and Mohamed Tahir, Mohamed Ibrahim and Crouse, Karen Anne and How, Fiona Ni Foong and Watkin, David J. (2012) Synthesis, characterisation and antibacterial activity of Schiff base derived from S-methyldithiocarbazate and methylisatin. Journal of Chemical Crystallography, 42 (2). pp. 173-179. ISSN 1074-1542; ESSN:1572-8854

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Abstract

New tridentate nitrogen–oxygen–sulfur Schiff base has been prepared from the condensation reaction of S-methyldithiocarbazate and methylisatin. The compound crystallized in triclinic crystal system with space group P − 1, Z = 2, V = 612.92(3) Å3 and unit cell parameters a = 6.8540(2) Å, b = 8.3022(2) Å, c = 11.5243(4) Å, α = 79.8186(13)°, β = 90.5224(14)° and γ = 72.1362(13)°. Crystal structure reveals that the compound exists in the thione form with the methylisatin moiety is trans with respect to the C3–N2 and C3–S4 bonds whereas the methyl group of the dithiocarbazate moiety is cis with respect to the C3–N2 and C3–S5 bonds. The Schiff base was found to be selectively active against the selected Gram positive bacterial strains (Bacillus subtilis and Staphylococcus aureus) with the inhibition zones of 16 and 12 mm, respectively.

Item Type:Article
Keyword:S-methyldithiocarbazate; Methylisatin; Actibacterial activity.
Faculty or Institute:Faculty of Science
Publisher:Springer Verlag
DOI Number:10.1007/s10870-011-0220-6
Altmetrics:http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1007/s10870-011-0220-6
ID Code:25258
Deposited By: Nur Farahin Ramli
Deposited On:25 Nov 2013 11:57
Last Modified:23 Sep 2015 14:32

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