- Spectroscopic and electrochemical characterization of some Schiff base metal complexes containing benzoin moiety
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(Graph Presented)The ligation behavior of bis-benzoin ethylenediamine (B2ED) and benzoin thiosemicarbazone (BTS) Schiff bases towards Ru3+, Rh3+, Pd2+, Ni2+ and Cu 2+ were determined. The b
- El-Shahawi,Al-Jahdali,Bashammakh,Al-Sibaai,Nassef
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p. 459 - 465
(2014/01/23)
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- Synthesis, characterization, DNA cleavage and in vitro antimicrobial activities of copper(II) complexes of Schiff bases containing a 2,4-disubstituted thiazole
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Six Cu(II) complexes of Schiff base ligands of arylidene-2-(4-(4-bromo/ methoxy-phenyl)thiazol-2-yl) hydrazines have been synthesized, characterized and screened for DNA cleavage and antimicrobial activities. The chemical structures of the complexes were
- Bharti, Sanjay K.,Patel, Saurabh K.,Nath, Gopal,Tilak, Ragini,Singh, Sushil K.
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experimental part
p. 917 - 925
(2012/01/13)
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- Synthesis, anti-bacterial and anti-fungal activities of some novel Schiff bases containing 2,4-disubstituted thiazole ring
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A series of arylidene-2-(4-(4-methoxy/bromophenyl) thiazol-2-yl) hydrazines (4a-z) and 1-(4-(4-methoxy/bromophenyl) thiazol-2-yl)-2-cyclohexylidene/cyclopentylidene hydrazines (5a-b/6a-b) were synthesized, characterized and screened for their antimicrobial activities. The structures of synthesized compounds were established by spectroscopic (FT-IR, 1H NMR, 13C NMR, Mass) and elemental analyses. Both the anti-bacterial and anti-fungal activities with MIC values of compounds were evaluated. The results of anti-bacterial screening reveal that among all the compounds screened eight compounds showed moderate to good anti-bacterial activity while ten of the newly synthesized compounds displayed good to excellent anti-fungal activity. Among the tested compounds, the most effective compounds with MIC value in the range of 6.25-25 μg/ml are 4a, 4n, 4z, 5a, 5b, 6a and 6b against three fungal strains viz. Candida albicans, Cryptococcus neoformans and Aspergillus flavus.
- Bharti,Nath,Tilak,Singh
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experimental part
p. 651 - 660
(2010/04/02)
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- 1-(1-Arylethylidene)thiosemicarbazide derivatives: A new class of tyrosinase inhibitors
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A series of 1-(1-arylethylidene)thiosemicarbazide compounds and their analogues were synthesized and characterized by 1H NMR, MS. Their tyrosinase inhibitory activities were investigated by an assay based on the catalyzing ability of tyrosinase
- Liu, Jinbing,Yi, Wei,Wan, Yiqian,Ma, Lin,Song, Huacan
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p. 1096 - 1102
(2008/09/18)
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- Synthesis and spectral studies of platinum metal complexes of benzoin thiosemicarbazone
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The platinum metal chelates of benzoin thiosemicarbazone obtained with Ru(III), Rh(III), Ir(III), Pd(II) and Pt(II) were prepered from their corresponding halide salts.The complexes were characterized by elemental analysis, conductance measurement, IR, Ra
- Offiong, Offiong E.
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p. 2167 - 2176
(2007/10/02)
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- Synthesis and characterization of boron complexes of nitrogen, oxygen and sulphur donor ligands
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The 1:1 and 1:2 molar reactions of triisopropoxyborane with ONO and ONS donors, semicarbazones and thiosemicarbazones of 2-hydroxy-2-phenylacetophenone and 3-hydroxy-2-butanone, lead to the formation of (PriO)B(ON O), (ON OH)B(ON O), (Pr1O)B(ON S) and (ON SH)B(ON S) types of complexes.These have been characterized by elemental analysis, conductivity measurements and molecular weight determinations.Electronic, IR, 1H NMR, 13C NMR and 11B NMR spectral studies have been used to deduce the structures of the resulting boron complexes.
- Singh, V. P.,Singh, R. V.,Tandon, J. P.
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p. 564 - 568
(2007/10/02)
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- Synthesis and Characterisation of Organotin(IV) Complexes of Acetoin and Benzoin Semicarbazones and Thiosemicarbazones.
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Condensation of benzoin and acetoin with semicarbazide hydrochloride and tiosemicarbazide leads to the formation of corresponding schiff bases.These, when reacted with dimethyltin dichloride and dibutyltin oxide, lead to the formation of substitution prod
- Dixit, Purnima,Tandon, J. P.
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p. 153 - 155
(2007/10/02)
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