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International Journal of Inorganic Chemistry最新文献

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Structural Prediction of Bis(di-p-anisole)-1,4-azabutadiene-bis[triphenylphosphine]ruthenium(II) Using 31P NMR Spectroscopy 用31P NMR预测双(二对苯甲醚)-1,4-阿扎丁二烯-双[三苯基膦]钌(II)的结构
International Journal of Inorganic Chemistry Pub Date : 2016-11-10 DOI: 10.1155/2016/7095624
M. Tay, Thareni Lokanathan, Kok Tong Ong, Ruwaida Asyikin Abu Talip, Y. Y. Chia
{"title":"Structural Prediction of Bis(di-p-anisole)-1,4-azabutadiene-bis[triphenylphosphine]ruthenium(II) Using 31P NMR Spectroscopy","authors":"M. Tay, Thareni Lokanathan, Kok Tong Ong, Ruwaida Asyikin Abu Talip, Y. Y. Chia","doi":"10.1155/2016/7095624","DOIUrl":"https://doi.org/10.1155/2016/7095624","url":null,"abstract":"The present paper reports the use of 31P NMR spectroscopy to predict the isomer structures of [bis 4-methoxy-phenyl-[3-(4-methoxy-phenyl)-allylidene]-amino ]-bis[triphenylphosphine]ruthenium(II), also known as bis (di-p-anisole)-1,4-azabutadiene -bis[triphenylphosphine]ruthenium(II), complexes. The complexation reaction was carried out under refluxing condition of (di-p-anisole)-1,4-azabutadiene (compound 1), triphenylphosphine (PPh3), and ruthenium chloride in the ratio of 2 : 2 : 1 for five hours. In addition, ruthenium(II) complexes were also characterized using FTIR and UV-Vis spectroscopy to support the formation of ruthenium(II) complexes. 31P NMR spectroscopic study on ruthenium(II) complexes suggested that there are three isomers present after the complexation reaction and all the ruthenium complexes demonstrate octahedral geometry.","PeriodicalId":14074,"journal":{"name":"International Journal of Inorganic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89040618","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Synthesis and Study in Solution of a New Dansyl-Modified Azacryptand 一种新型丹酚修饰氮杂环的合成及溶液研究
International Journal of Inorganic Chemistry Pub Date : 2016-01-01 DOI: 10.1155/2016/3415690
G. Bergamaschi, A. Miljković, S. Marcheggiani, A. Poggi
{"title":"Synthesis and Study in Solution of a New Dansyl-Modified Azacryptand","authors":"G. Bergamaschi, A. Miljković, S. Marcheggiani, A. Poggi","doi":"10.1155/2016/3415690","DOIUrl":"https://doi.org/10.1155/2016/3415690","url":null,"abstract":"We report the synthesis of a new asymmetric azacryptand (L1), characterized by three p-xylyl spacers, one of which carries a dansyl side arm. The fluorescent sensor has been studied by potentiometric, UV-Vis, and emission studies in MeOH : water 3 : 2 mixture (0.07 M NaNO3), determining, in particular, the protonation constants of the free ligand and metal ion complexation equilibria. Interestingly, the obtained results revealed that the new receptor is fluorescent at neutral pH with a typical emission band of the dansyl group. Metal addition induced a partial quenching of the dansyl emission band; this behavior is more pronounced with Cu(II) that reduces the receptor’s emission by 60%. With all the studied cations, quenching follows the formation of a dimetallic complex. Similar studies on the model compound L2 confirmed that fluorescence quenching is mainly driven by a static mechanism, attributable to the formation of the inclusion dicopper complex [L1Cu2]4","PeriodicalId":14074,"journal":{"name":"International Journal of Inorganic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89729816","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Synthesis, Characterization, and Structural Assessment of Ni(II) Complexes Derived from Bis(2-hydroxy-1-naphthaldehyde)succinoyldihydrazone 双(2-羟基-1-萘醛)琥珀酰二腙衍生的Ni(II)配合物的合成、表征和结构评价
International Journal of Inorganic Chemistry Pub Date : 2015-12-31 DOI: 10.1155/2015/121895
M. Chakrabarty, Aziz Ahmed, R. Lal
{"title":"Synthesis, Characterization, and Structural Assessment of Ni(II) Complexes Derived from Bis(2-hydroxy-1-naphthaldehyde)succinoyldihydrazone","authors":"M. Chakrabarty, Aziz Ahmed, R. Lal","doi":"10.1155/2015/121895","DOIUrl":"https://doi.org/10.1155/2015/121895","url":null,"abstract":"The monometallic nickel(II) complexes [Ni(H2nsh)(A)2]·H2O (where A = water (H2O), (1); pyridine (py), (2); 2-picoline(2-pic), (3); 3-picoline(3-pic), (4); and 4-picoline(4-pic), (5)) and homobimetallic nickel(II) complexes [Ni2(nsh)(A)4]·H2O (where A = water (H2O), (6); pyridine (py), (7); 2-picoline(2-pic), (8); 3-picoline(3-pic), (9); and 4-picoline(4-pic), (10), resp.) have been synthesized in methanol from bis(2-hydroxy-1-naphthaldehyde)succinoyldihydrazone (H4nsh). The complexes have been characterized by elemental analyses, molar conductance, magnetic moment, and electronic and IR and TGA/DTA spectroscopic studies. The monometallic complexes (1) to (5) are found to have octahedral stereochemistry while complexes (6) to (10) are found to have distorted octahedral stereochemistry in which one of the Ni(II) centres is present in N2O2 coordination sphere and another Ni(II) centre is bonded to it through phenolate oxygen atoms via oxo-bridging.","PeriodicalId":14074,"journal":{"name":"International Journal of Inorganic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87152787","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Synthesis, Crystal Structure, and Antimicrobial Properties of a Novel 1-D Cobalt Coordination Polymer with Dicyanamide and 2-Aminopyridine 新型双氰酰胺-氨基吡啶一维钴配位聚合物的合成、晶体结构和抗菌性能
International Journal of Inorganic Chemistry Pub Date : 2015-06-29 DOI: 10.1155/2015/106838
Amah Colette Benedicta Yuoh, M. Agwara, D. M. Yufanyi, M. Conde, R. Jagan, K. Eyong
{"title":"Synthesis, Crystal Structure, and Antimicrobial Properties of a Novel 1-D Cobalt Coordination Polymer with Dicyanamide and 2-Aminopyridine","authors":"Amah Colette Benedicta Yuoh, M. Agwara, D. M. Yufanyi, M. Conde, R. Jagan, K. Eyong","doi":"10.1155/2015/106838","DOIUrl":"https://doi.org/10.1155/2015/106838","url":null,"abstract":"A novel one-dimensional coordination polymer bis(2-aminopyridine)-μ-bis(dicyanamido) cobaltate(II) has been synthesized and characterized by elemental analyses and infrared and ultraviolet visible spectroscopies and the structure has been determined by single crystal X-ray diffraction. Co(II) ion in the complex is coordinated to two axial 2-aminopyridine ligands through the pyridine N-atom and four equatorial dicyanamide ligands to give a CoN6 slightly distorted octahedral coordination environment around the metal ion. The amino N-atom forms intrachain hydrogen bonds. Antimicrobial screening of the complex against eight pathogenic microorganisms (four bacteria and four fungi) isolated from humans, indicates that the complex is moderately active.","PeriodicalId":14074,"journal":{"name":"International Journal of Inorganic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81682906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 25
Synthesis, Characterisation, Crystal Structure, and Antimicrobial and Larvicidal Studies of [Cu(2,2′-bipy)2SO4]·3CH4N2O·2H2O [Cu(2,2′-bipy)2SO4]·3CH4N2O·2H2O的合成、表征、晶体结构及抗菌和杀幼虫研究
International Journal of Inorganic Chemistry Pub Date : 2015-01-29 DOI: 10.1155/2015/478380
S. Lakshmi, S. Samundeeswari
{"title":"Synthesis, Characterisation, Crystal Structure, and Antimicrobial and Larvicidal Studies of [Cu(2,2′-bipy)2SO4]·3CH4N2O·2H2O","authors":"S. Lakshmi, S. Samundeeswari","doi":"10.1155/2015/478380","DOIUrl":"https://doi.org/10.1155/2015/478380","url":null,"abstract":"A pentacoordinated mononuclear copper(II) complex, namely, bis(2,2′-bipyridine)sulphatecopper(II) urea trisolvate dihydrate, has been synthesised and characterised by molar conductance and UV-Vis and FTIR spectra. The structure of the complex was unambiguously confirmed by single crystal XRD. The complex crystallizes in monoclinic system, space group C2/c, with the values (4), (4), and (3) A; °, °, and °; (2) A3 and . The Cu(II) ion is coordinated to four nitrogen atoms of two bidentate 2,2′-bipyridine ligands (bipy) and by one oxygen atom of the sulphate group and displays distorted trigonal bipyramidal geometry. The crystal packing is stabilized by inter- and intramolecular hydrogen bonding. The Cu(II) complex was screened for antimicrobial activity against Staphylococcus aureus, Escherichia coli, Klebsiella pneumonia, Aspergillus niger, Aspergillus flavus, and Candida albicans. Larvicidal activity of the synthesized copper(II) complex was carried out against larvae of Culex quinquefasciatus and Anopheles subpictus.","PeriodicalId":14074,"journal":{"name":"International Journal of Inorganic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78044917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Thermal Decomposition Studies of Layered Metal Hydroxynitrates (Metal: Cu, Zn, Cu/Co, and Zn/Co) 层状金属羟基硝酸盐(金属:Cu、Zn、Cu/Co和Zn/Co)的热分解研究
International Journal of Inorganic Chemistry Pub Date : 2015-01-27 DOI: 10.1155/2015/536470
T. N. Ramesh, T. Madhu
{"title":"Thermal Decomposition Studies of Layered Metal Hydroxynitrates (Metal: Cu, Zn, Cu/Co, and Zn/Co)","authors":"T. N. Ramesh, T. Madhu","doi":"10.1155/2015/536470","DOIUrl":"https://doi.org/10.1155/2015/536470","url":null,"abstract":"Layered metal hydroxynitrates and mixed metal hydroxynitrates (copper/cobalt hydroxynitrates and zinc/cobalt hydroxynitrates at different mole ratios) were synthesized by hydrolysis of urea and metal nitrates at 140°C. Layered metal hydroxyl nitrates derive their structure from brucite mineral and generally crystallize in hexagonal and monoclinic phases. Isothermal decomposition studies of Cu2(OH)3(NO3), Co2(OH)3(NO3), Cu1.5Co0.5(OH)3(NO3), Cu1.34Co0.66(OH)3(NO3), Zn5(OH)8(NO3)2(H2O)2, Zn3.75Co1.25(OH)8(NO3)2(H2O)2, and Zn3.35Co1.65(OH)8(NO3)2(H2O)2 samples were carried out at different intervals of temperature and the structural transformations during the process were monitored using powder X-ray diffractograms. Biphasic mixture of metal hydroxynitrate/metal oxide is observed in case of cobalt/zinc based layered hydroxynitrates, while copper hydroxynitrate or copper/cobalt metal hydroxynitrate decomposes in a single step. The decomposition temperatures of layered metal hydroxynitrates and mixed layered metal hydroxides depend on the method of preparation, their composition and the nature of metal ion, and their coordination.","PeriodicalId":14074,"journal":{"name":"International Journal of Inorganic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79960022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 18
Synthesis, Characterisation, and Biological Evaluation of Zn(II) Complex with Tridentate (NNO Donor) Schiff Base Ligand 三齿(NNO供体)席夫碱配合物Zn(II)的合成、表征及生物学评价
International Journal of Inorganic Chemistry Pub Date : 2015-01-05 DOI: 10.1155/2015/607178
N. Ahmed, M. Riaz, Altaf Ahmed, M. Bhagat
{"title":"Synthesis, Characterisation, and Biological Evaluation of Zn(II) Complex with Tridentate (NNO Donor) Schiff Base Ligand","authors":"N. Ahmed, M. Riaz, Altaf Ahmed, M. Bhagat","doi":"10.1155/2015/607178","DOIUrl":"https://doi.org/10.1155/2015/607178","url":null,"abstract":"The present paper deals with the synthesis and characterization of metal complex of tridentate Schiff base ligand derived from the inserted condensation of 2-aminobenzimidazole (1H-benzimidazol-2-amine) with salicylaldehyde (2-hydroxybenzaldehyde) in a 1 : 1 molar ratio. Using this tridentate ligand, complex of Zn(II) with general formula ML has been synthesized. The synthesized complex was characterized by several techniques using molar conductance, elemental analysis, FT-IR, and mass and 1HNMR spectroscopy. The elemental analysis data suggest the stoichiometry to be 1 : 1 [M : L]. The complex is nonelectrolytic in nature as suggested by molar conductance measurements. Infrared spectral data indicate the coordination between the ligand and the central metal ion through deprotonated phenolic oxygen, imidazole nitrogen of benzimidazole ring, and azomethine nitrogen atom. Spectral studies suggest tetrahedral geometry for the complex. The pure compound, synthesized ligand, and metal complex were screened for their antimicrobial activity.","PeriodicalId":14074,"journal":{"name":"International Journal of Inorganic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88228923","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 17
Macrocyclic Assembly: A Dive into the Pecking Order and Applied Aspects of Multitalented Metallomacrocycles 大环组合:多金属大环的优先顺序及其应用
International Journal of Inorganic Chemistry Pub Date : 2014-12-18 DOI: 10.1155/2014/509151
A. Chaudhary, E. Rawat
{"title":"Macrocyclic Assembly: A Dive into the Pecking Order and Applied Aspects of Multitalented Metallomacrocycles","authors":"A. Chaudhary, E. Rawat","doi":"10.1155/2014/509151","DOIUrl":"https://doi.org/10.1155/2014/509151","url":null,"abstract":"To aid in knowledge of macrocyclic complexes and biomedical scientists, we are presenting here a review article with compilation of work done so far along in relation to macrocyclic ligands and their metal complexes. The metal ion chemistry of macrocyclic ligands has now become a major subdivision of coordination chemistry. This overview focuses on developments in design, synthesis, and self-assembly of metal-based architectures and ligands related to macrocyclic chemistry.","PeriodicalId":14074,"journal":{"name":"International Journal of Inorganic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73563332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Synthesis and Spectroscopic and Antimicrobial Studies of Schiff Base Metal Complexes Derived from 2-Hydroxy-3-methoxy-5-nitrobenzaldehyde 2-羟基-3-甲氧基-5-硝基苯甲醛席夫碱金属配合物的合成、光谱及抗菌研究
International Journal of Inorganic Chemistry Pub Date : 2014-11-17 DOI: 10.1155/2014/817412
K. Joshi, A. J. Rojivadiya, J. H. Pandya
{"title":"Synthesis and Spectroscopic and Antimicrobial Studies of Schiff Base Metal Complexes Derived from 2-Hydroxy-3-methoxy-5-nitrobenzaldehyde","authors":"K. Joshi, A. J. Rojivadiya, J. H. Pandya","doi":"10.1155/2014/817412","DOIUrl":"https://doi.org/10.1155/2014/817412","url":null,"abstract":"Two new series of copper(II) and nickel(II) complexes with two new Schiff base ligands 2-((2,4-dimethylphenylimino)methyl)-6-methoxy-4-nitrophenol and 2-((3,4-difluorophenylimino)methyl)-6-methoxy-4-nitrophenol have been prepared. The Schiff base ligands were synthesized by the condensation of 2-hydroxy-3-methoxy-5-nitrobenzaldehyde with 2,4-dimethylaniline or 3,4-difluoroaniline. The ligands and their metal complexes have been characterized by IR, 1H NMR, mass and electronic spectra and TG analysis. The Schiff base ligands and their metal complexes were tested for antimicrobial activity against Gram positive bacteria Staphylococcus aureus, and Streptococcus pyogenes and Gram negative bacteria Escherichia coli, and Pseudomonas aeruginosa and fungus Candida albicans, Aspergillus niger, and Aspergillus clavatus using Broth Dilution Method.","PeriodicalId":14074,"journal":{"name":"International Journal of Inorganic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75648226","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 25
Antimicrobial Studies of N-Heterocyclic Carbene Silver Complexes Containing Benzimidazol-2-ylidene Ligand 含苯并咪唑-2-酰基配体的n -杂环卡宾银配合物的抗菌研究
International Journal of Inorganic Chemistry Pub Date : 2014-11-10 DOI: 10.1155/2014/191054
Yetkin Gök, Y. Sarı, S. Akkoç, I. Ozdemir, S. Günal
{"title":"Antimicrobial Studies of N-Heterocyclic Carbene Silver Complexes Containing Benzimidazol-2-ylidene Ligand","authors":"Yetkin Gök, Y. Sarı, S. Akkoç, I. Ozdemir, S. Günal","doi":"10.1155/2014/191054","DOIUrl":"https://doi.org/10.1155/2014/191054","url":null,"abstract":"Seven novel 4-vinylbenzyl substituted N-heterocyclic carbene (NHC) silver complexes were synthesized from different benzimidazolium salts and silver (I) oxide in dichloromethane at room temperature. These new 4-vinylbenzyl substituted NHC silver complexes were characterized by spectroscopic (NMR, IR) and elemental analysis techniques. Using the agar dilution procedure, the antimicrobial activities of these synthesized new compounds were investigated against Gram (","PeriodicalId":14074,"journal":{"name":"International Journal of Inorganic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90780308","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
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