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标题：Structural Evaluation and Antibacterial Sensitivity of Iron (III) Complexes of 4- n -hexyloxybenzoylhydrazine with Some Aliphatic and Aromatic
其他标题：Structural Evaluation and Antibacterial Sensitivity of Iron (III) Complexes of 4-n-hexyloxybenzoylhydrazine with Some Aliphatic and Aromatic
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作者：M. Al-Amin-Al-Azadul Islam ; M. A. Mumit ; T. K. Pal 等
期刊名称：Journal of Scientific Research
印刷版ISSN：2070-0237
电子版ISSN：2070-0245
出版年度：2012
卷号：4
期号：3
页码：635-647
DOI：10.3329/jsr.v4i3.9807
语种：English
出版社：Rajshahi University
摘要：The condensation reaction of N-alkylidene or N-arylidene-(4-n-hexyloxy)benzoylhydrazone [L] (1-7) where, R= formaldehyde (1), acetaldehyde (2), butyraldehyde (3), cinnamaldehyde (4), 4-N,N-dimethylaminobenzaldehyde (5), 2-hydroxybenzaldehyde (6) and 4-methoxybenzaldehyde (7) with Fe(III) chloride hexahydrate afforded octahedral (8-9) [Fe(L3).nH2O] and square-pyramidal (10-14) [Fe(L2)Cl.nH2O] complexes. The complexes (8-10) were obtained in presence of pyridine and the complexes (11-14) were obtained by the direct reaction of the Schiffs bases with Fe3+ ion. The complexes were characterized by magnetic moment measurement, UV-visible, infrared, 1H-NMR and TGA (Thermo gravimetric analysis) studies. The Schiffs bases containing small alkyl group at the hydrazine moiety formed octahedral complexes, while the bulky/aryl/substituted aryl moiety, yielded five coordinated square-pyramidal complexes. The complexes were found to be quite stable and decomposition of the complexes ended with ferric oxide as final product. Complexes (10) and (13) showed no activity against all the bacteria. Complexes (8), (9) and (12) showed resistance while the complex (14) manifested intermediate antibacterial activity.© 2012 JSR Publications. ISSN: 2070-0237 (Print); 2070-0245 (Online). All rights reserved.doi: http://dx.doi.org/10.3329/jsr.v4i3.9807 J. Sci. Res. 4 (3), 635-64 (2012)
关键词：Chemistry;4-n-hexyloxybenzoylhydrazine; Thermogravimetric analyses ; Antibacterial activity; Aroylhydrazones.