Synthesis and structural characterisation of new Re(III) complexes using aldimines of α-amino acids as coligands

Basak, Sucharita; Mondal, Amrita; Chopra, Deepak; Rajak, Kajal Krishna

doi:10.1016/j.poly.2007.03.036

Cited by 5 publications

(2 citation statements)

References 37 publications

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“…In the Schiff bases, the bands ca. 430 nm are attributed to the azomethine chromophore p?p* transition (Basak et al, 2007). The bands at higher energies (270-320 nm) are associated with the benzene p?p* transition (Silverstein et al, 1981).…”

Section: Resultsmentioning

confidence: 97%

Synthesis and biological activity of new cycloalkylthiophene-Schiff bases and their Cr(III) and Zn(II) complexes

et al. 2009

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A series of some novel Ethyl 2-((1-hydroxynaphthalen-2-yl)methyleneamino)-5,6-dihydro-4H-cyclopenta[b]thiopehene-3-carboxylate, Ethyl 2-((1-hydroxynaphthalen-2-yl)methyleneamino)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate, Ethyl 2-((1-hydroxynaphtalen-2-yl)methyleneamino)-5,6,7,8-tetrahydro-4H-cyclohepta [b]thiophene-3-carboxylate and their Cr(III) and Zn(II) complexes have been synthesized. All of these substances have been examined for antibacterial activity against pathogenic strains Listeria monocytogenes 4b (ATCC-19115), Staphylococcus aureus (ATCC25923), Proteus OX2 Wrah (ETS.40-A-4), Escherichia coli (ATCC-1280), Salmonella typhi H (NCTC-901.8394), Pseudomonas putida sp., Brucella abortus (A.99, UK-1995) RSKK-03026. Sh. boydii type 11 (Pasteur51.6), Sh. boydii type 16 (cHe 67.11), Sh. boydii type 6 (RSKK-96043), and antifungal activity against Candida albicans (Y-1200-NIH, Tokyo). Some of the compounds exhibited activity comparable to ampicillin ofloxacin, nystatin, kanamycin, sulphamethoxazol, amoxycillin, and chloroamphenicol. Most of the studied compounds were found effective against bacteria studied and yeast.

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Section: Resultsmentioning

confidence: 97%

Synthesis and biological activity of new cycloalkylthiophene-Schiff bases and their Cr(III) and Zn(II) complexes

et al. 2009

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“…Both the bands occur at higher frequencies compared to υ(C-O) in the free H2L. This indicates participation of both the phenolic oxygen in coordination subsequent to deprotonation [58]. The displacement of these bands to higher frequencies is attributed to the increase in the bond strength of C-O on extended delocalization of the system of the naphtholidene moiety.…”

Section: Scheme 1 the Fragmentation Patterns Of Mass Spectrum Of Liga...mentioning

confidence: 84%

Synthesis, Characterization, Electrochemical Studies and Biological Activities of Complexes of Tridentate Schiff Base Ligand with Divalent Metal Ions

et al. 2021

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A series of novel Schiff base 1-((2-hydroxyphenyl)iminomethyl)naphthalene-2-ol (H2L) and its Cu(II), Co(II), Ni(II), Mn(II),Cd(II) and UO2(II) complexes were synthesized and characterized. The nature of bonding and the geometry of the complexes were deduced from elemental analysis, spectral (FT-IR, UV-Vis., 1 H NMR, mass and ESR), magnetic moment, thermal analyses, X-ray diffraction and conductivity measurements. The microbial activity of the compounds was studied using disc diffusion method against bacteria, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumonia and Bacillus subtilis and against fungi, Aspergillus niger, Fusarium oxysporum, Alternaria alternata and Candida albicans. The results indicated that the Ni(II) complex showed the potent antibacterial activities against Staphylococcus aureus and Klebsiella pneumoniae only at 150 µg/mL. The data showed that the antifungal effect of ligand against A. niger was similar to the effect of Co(II), Mn(II), Cd(II) and UO2(II) complexes where the inhibition zone ranged from 23-26 mm at 150 µg/mL concentration .The ligand showed higher interaction value of receptor of Staphylococcus aureus (3q8u) than receptor of Escherichia coli (3t88).The inhibition process of the prepared ligand (H2L) against the corrosion of Concrete Steel Reinforcement in HCl (2 M) solution was determined by various electrochemical methods are found to be in reasonable agreement.

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Re(VII) and Tc(VII) trioxo complexes stabilized by tridentate ligands and their potential use as radiopharmaceuticals

Hahn

Casini

Kuehn

2014

Coordination Chemistry Reviews

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Synthesis and structural characterisation of new Re(III) complexes using aldimines of α-amino acids as coligands

Cited by 5 publications

References 37 publications

Synthesis and biological activity of new cycloalkylthiophene-Schiff bases and their Cr(III) and Zn(II) complexes

Synthesis and biological activity of new cycloalkylthiophene-Schiff bases and their Cr(III) and Zn(II) complexes

Synthesis, Characterization, Electrochemical Studies and Biological Activities of Complexes of Tridentate Schiff Base Ligand with Divalent Metal Ions

Re(VII) and Tc(VII) trioxo complexes stabilized by tridentate ligands and their potential use as radiopharmaceuticals

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