%0 Journal Article %1 ISI:000341185200028 %A Keypour, Hassan %A Liyaghati-Delshad, Mozhdeh %A Rezaeivala, Majid %A Khavasi, Hamid Reza %C 233 SPRING ST, NEW YORK, NY 10013 USA %D 2014 %I SPRINGER %J JOURNAL OF THE IRANIAN CHEMICAL SOCIETY %K Biological Schiff Tetradentate X-ray activity} amine; base; crystal ligand; structure; {Macrocyclic %N 5 %P 1473-1482 %R 10.1007/s13738-014-0417-7 %T Synthesis and characterization of some new Cd(II) and Zn(II) macrocyclic Schiff base complexes derived from cyclocondensation of three new linear aromatic (N-4) amines and 2,6-diacetylpyridine. Crystal structure and biological activity studies %V 11 %X Six new Cd(II) and Zn(II) macrocyclic Schiff base complexes from cyclocondensation of 2,6-diacetylpyridine and three different liner aromatic amines have been investigated. The resulting ligands, L-1 and L-2 are 17- and L-3 18-membered pentaaza macrocycles. The complexes have been characterized by a variety of methods such as IR, elemental analysis, EI-Mass and conductivity measurements and in the case of cadmium complex by H-1 and C-13 NMR spectroscopy. The crystal structure of CdL1(CH3OH)(ClO4)(2) has been determined. In this complex, the Cd(II) ion is coordinated to five nitrogen donor atoms of the ligand and one oxygen atom from methanol in a N5O environment. The geometry around the cadmium can be better described as in a slightly distorted pentagonal-pyramidal. The synthesized compounds have antibacterial activity against the three gram-positive bacteria: S. aureus, B. cereus and C. xerosis, and also against the three gram-negative bacteria: E. coli, K. pneumoniae and P. vulgaris. The results show that the antibacterial activity of cadmium complexes is greater than that of zinc complexes.

@article{ISI:000341185200028, abstract = {{Six new Cd(II) and Zn(II) macrocyclic Schiff base complexes from cyclocondensation of 2,6-diacetylpyridine and three different liner aromatic amines have been investigated. The resulting ligands, L-1 and L-2 are 17- and L-3 18-membered pentaaza macrocycles. The complexes have been characterized by a variety of methods such as IR, elemental analysis, EI-Mass and conductivity measurements and in the case of cadmium complex by H-1 and C-13 NMR spectroscopy. The crystal structure of {[}CdL1(CH3OH)](ClO4)(2) has been determined. In this complex, the Cd(II) ion is coordinated to five nitrogen donor atoms of the ligand and one oxygen atom from methanol in a N5O environment. The geometry around the cadmium can be better described as in a slightly distorted pentagonal-pyramidal. The synthesized compounds have antibacterial activity against the three gram-positive bacteria: S. aureus, B. cereus and C. xerosis, and also against the three gram-negative bacteria: E. coli, K. pneumoniae and P. vulgaris. The results show that the antibacterial activity of cadmium complexes is greater than that of zinc complexes.}}, added-at = {2017-05-10T15:29:29.000+0200}, address = {{233 SPRING ST, NEW YORK, NY 10013 USA}}, affiliation = {{Keypour, H (Reprint Author), Bu Ali Sina Univ, Fac Chem, Hamadan 65174, Iran. Keypour, Hassan; Liyaghati-Delshad, Mozhdeh, Bu Ali Sina Univ, Fac Chem, Hamadan 65174, Iran. Rezaeivala, Majid, Hamedan Univ Technol, Dept Chem Engn, Hamadan 65155, Iran. Khavasi, Hamid Reza, Shahid Beheshti Univ, Dept Chem, GC, Tehran 1983963113, Iran.}}, author = {Keypour, Hassan and Liyaghati-Delshad, Mozhdeh and Rezaeivala, Majid and Khavasi, Hamid Reza}, author-email = {{haskey1@yahoo.com mrezaeivala@hut.ac.ir}}, biburl = {https://www.bibsonomy.org/bibtex/2b4b45fb60ce7ab890441869563e0ec57/hkhavasi}, cited-references = {{Ahmad I, 2001, J ETHNOPHARMACOL, V74, P113, DOI 10.1016/S0378-8741(00)00335-4. Alfonso I, 2008, J AM CHEM SOC, V130, P6137, DOI 10.1021/ja710132c. Andrews JM, 2001, J ANTIMICROB CHEMOTH, V48, P5. Bernhardt P.V., 2007, J CHEM SOC, V12, P1244. Bertolo E., 1999, J INCL PHEM, V191. Bonadio F, 2005, INORG CHEM, V44, P969, DOI 10.1021/ic049209u. Borisova NE, 2007, CHEM REV, V107, P46, DOI 10.1021/cr0683616. Cook D.H., 1975, J CHEM SOC DA, V446. GILL NS, 1961, J INORG NUCL CHEM, V18, P79, DOI 10.1016/0022-1902(61)80372-2. Goe G. L., 1982, KIRK OTHMER ENCY CHE, V19, P474. Hataway A.J., 1961, J CHEM SOC, P3091. 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Zheng B, 2012, CHEM SOC REV, V41, P1621, DOI 10.1039/c1cs15220c.}}, doc-delivery-number = {{AO2VT}}, doi = {{10.1007/s13738-014-0417-7}}, eissn = {{1735-2428}}, funding-acknowledgement = {{Faculty of Chemistry of Bu-Ali Sina University; Ministry of Science, Research and Technology of Iran}}, funding-text = {{We are grateful to the Faculty of Chemistry of Bu-Ali Sina University and Ministry of Science, Research and Technology of Iran, for financial support.}}, interhash = {7b63dd5f7e344f3bc517a6357290b551}, intrahash = {b4b45fb60ce7ab890441869563e0ec57}, issn = {{1735-207X}}, journal = {{JOURNAL OF THE IRANIAN CHEMICAL SOCIETY}}, journal-iso = {{J. Iran Chem. Soc.}}, keywords = {Biological Schiff Tetradentate X-ray activity} amine; base; crystal ligand; structure; {Macrocyclic}, keywords-plus = {{2-AMINOETHYL PENDANT ARMS; ANTIBACTERIAL PROPERTIES; LIGANDS; ANION; RECOGNITION; CADMIUM(II); NI(II)}}, language = {{English}}, month = {{OCT}}, number = {{5}}, number-of-cited-references = {{39}}, pages = {{1473-1482}}, publisher = {{SPRINGER}}, research-areas = {{Chemistry}}, times-cited = {{3}}, timestamp = {2017-05-10T15:29:29.000+0200}, title = {{Synthesis and characterization of some new Cd(II) and Zn(II) macrocyclic Schiff base complexes derived from cyclocondensation of three new linear aromatic (N-4) amines and 2,6-diacetylpyridine. Crystal structure and biological activity studies}}, type = {{Article}}, unique-id = {{ISI:000341185200028}}, usage-count-last-180-days = {{1}}, usage-count-since-2013 = {{13}}, volume = {{11}}, web-of-science-categories = {{Chemistry, Multidisciplinary}}, year = {{2014}} }