Synthesis and Reactivity in Inorganic and Metal-organic Chemistry最新文献

Zirconium(IV) Heterochelates 锆(IV) Heterochelates

Synthesis and Reactivity in Inorganic and Metal-organic Chemistry Pub Date : 2007-08-22 DOI: 10.1080/00945718408058260

A. Syamal, D. Kumar

引用次数: 1

Synthesis and Spectral Characterization of Metal Complexes of 1‐(2‐Hydroxy‐4‐methylphenylazo)‐2‐naphthol 1‐(2‐羟基‐4‐甲基苯基偶氮)‐2‐萘酚金属配合物的合成与光谱表征

Synthesis and Reactivity in Inorganic and Metal-organic Chemistry Pub Date : 2004-12-01 DOI: 10.1081/SIM-200030245

H. Kocaokutgen, E. Erdem

引用次数: 7

Synthesis, Characterization, and Electrochemical Adsorption Study on Mercury Electrode of New Ternary Cu(II) Complexes of N‐Naphthylideneamino Acids with Imidazoles N -萘基氨基酸与咪唑新型三元Cu(II)配合物的合成、表征及在汞电极上的电化学吸附研究

Synthesis and Reactivity in Inorganic and Metal-organic Chemistry Pub Date : 2004-12-01 DOI: 10.1081/SIM-200030135

A. Abdel‐Mawgoud, H. M. El‐Sagher, M. K. Rabia

引用次数: 1

Complexes of N‐Picolinoyl‐N′‐2‐furanthiocarbohydrazide with Oxovanadium(IV), Manganese(III), Iron(III), Cobalt(II), Nickel(II), Copper(II), Zinc(II), and Cadmium(II)

Synthesis and Reactivity in Inorganic and Metal-organic Chemistry Pub Date : 2004-12-01 DOI: 10.1081/SIM-200030207

N. Singh, S. K. Kushawaha

引用次数: 2

Synthesis and Physico‐Chemical Studies on Iron(II,III,III) and Cobalt(II) Thiocarboxylates 铁(II,III,III)和钴(II)硫代羧化物的合成及理化研究

Synthesis and Reactivity in Inorganic and Metal-organic Chemistry Pub Date : 2004-12-01 DOI: 10.1081/SIM-200030186

B. Baranwal, Tarkeshwar Gupta, Deen Dayal Upadhyay

{"title":"Synthesis and Physico‐Chemical Studies on Iron(II,III,III) and Cobalt(II) Thiocarboxylates","authors":"B. Baranwal, Tarkeshwar Gupta, Deen Dayal Upadhyay","doi":"10.1081/SIM-200030186","DOIUrl":"https://doi.org/10.1081/SIM-200030186","url":null,"abstract":"Abstract A series of iron(II,III,III) and cobalt(II) complexes of thiocarboxylic acids of the general formulas [FeIIFe2 IIIO(SOCR)6(L)3] and [Co(SOCR)2(L)2] (R = C2H5 or C(CH3)3 and L = EtOH or py) have been synthesized and characterized by elemental and thermogravimetric analyses, spectral (infrared, electronic, and Mössbauer) studies, molar conductance, magnetic susceptibility, and molecular weight determinations. The electronic spectral data suggested an octahedral environment around the metal ion in both the iron as well as the cobalt complexes. A band around 13,800 cm−1 in the electronic spectra of the iron complexes indicated intervalence‐transfer between Fe(II) and Fe(III) moieties. A bridging mode of coordination could be assigned for the thiocarboxylate anions in the iron complexes and a chelating mode of coordination for the cobalt complexes have been suggested by infrared spectral data along with a new band at 540 cm−1, which may be ascribed owing to νasy(Fe3O) vibrations. Mössbauer studies revealed two resolved quadrupole doublets at 120–315 K confirming the presence of Fe(II) and Fe(III) moities in the iron complexes. Thermoanalytical data indicated the iron complexes were thermally stable up to 135 °C, whereas the cobalt complexes were stable up to 160 °C, above which temperature decomposition started and continued to ∼400 °C at which temperature the formation of metal sulfide and/or oxide was noticed. An attempt has been made to establish the structures based on these studies.","PeriodicalId":22160,"journal":{"name":"Synthesis and Reactivity in Inorganic and Metal-organic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81738042","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: 14

Synthesis and Characterization of 3,3′‐bis(N‐Ferrocenyl methylene formylhydrazone)‐2,2′‐bipyridyl and its Cd(II), Hg(II), Cu(II), and Mn(II) Complexes 3,3′‐双(N‐二茂铁基亚甲基甲酰腙)‐2,2′‐联吡啶及其Cd(II)、Hg(II)、Cu(II)和Mn(II)配合物的合成和表征

Synthesis and Reactivity in Inorganic and Metal-organic Chemistry Pub Date : 2004-12-01 DOI: 10.1081/SIM-200030165

Benlai Wu, Chengbin Liu, Mingxing Yao, Hong‐yun Zhang, Pei‐kun Chen, Hong-Yan Mao, Xiao‐qing Shen, Shouchang Liu

引用次数: 1

bis‐Hydrazine Metal Glycolates and Chloroacetates: Synthesis, Spectral, and Thermal Studies 双-肼金属乙醇酸酯和氯乙酸酯:合成、光谱和热研究

Synthesis and Reactivity in Inorganic and Metal-organic Chemistry Pub Date : 2004-12-01 DOI: 10.1081/SIM-200030212

B. Sivasankar, J. Sharmila, L. Ragunath

引用次数: 2

Synthesis and Characterisation of Some Vanadium(V) and (IV) Compounds with Benzaldoxime 苯扎尔多肟类钒(V)、钒(IV)化合物的合成与表征

Synthesis and Reactivity in Inorganic and Metal-organic Chemistry Pub Date : 2004-12-01 DOI: 10.1081/SIM-200030216

H. Slaouti, S. Boutamine, Z. Hank, O. Zekri, M. Meklati, O. Vittori

{"title":"Synthesis and Characterisation of Some Vanadium(V) and (IV) Compounds with Benzaldoxime","authors":"H. Slaouti, S. Boutamine, Z. Hank, O. Zekri, M. Meklati, O. Vittori","doi":"10.1081/SIM-200030216","DOIUrl":"https://doi.org/10.1081/SIM-200030216","url":null,"abstract":"Abstract The interaction of an ethanolic solution of benzaldoxime, C6H5–CH˭NOH (HL), with aqueous solutions of V(V) or V(IV) has been studied. These reactions lead to the formation of a series of compounds: (1) a green decavanadate salt of the formula H4Na2V10O27(OH) · 6H2O; (2) a yellow‐green dimeric coordination complex of the formula V2O3(OH)(L*)2(HL)2 in which L* is the deprotonated species of the oxidized form of benzaldoxime, (C6H5C(H−)NO2); and (3) a green monomeric complex of the formula [VO(H2O)2(L)2] · 2H2O in which L is the deprotonated form of benzaldoxime, (C6H5–CH˭NO−). Elemental analyses, conductometry, infrared spectroscopy, UV‐Visible spectrometry, nuclear magnetic resonance (NMR), electronic paramagnetic resonance (ESR), and mass spectroscopy have been used to elucidate the structures of the resultant compounds. Magnetic measurements, ESR spectroscopy, and UV‐Visible spectrometry have shown the existence of a lower oxidation state of vanadium in some of these compounds. The reduction of V(V) to V(IV) was due to a ligand–metal redox reaction.","PeriodicalId":22160,"journal":{"name":"Synthesis and Reactivity in Inorganic and Metal-organic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85016414","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: 3

The Existence of Pure‐Phase Transition Metal Hydroxy Apatites 纯相变金属羟基磷灰石的存在

Synthesis and Reactivity in Inorganic and Metal-organic Chemistry Pub Date : 2004-12-01 DOI: 10.1081/SIM-200030243

C. Yoder, Nathan Fedors, Natalie J. Flora, H. Brown, K. Hamilton, C. D. Schaeffer

{"title":"The Existence of Pure‐Phase Transition Metal Hydroxy Apatites","authors":"C. Yoder, Nathan Fedors, Natalie J. Flora, H. Brown, K. Hamilton, C. D. Schaeffer","doi":"10.1081/SIM-200030243","DOIUrl":"https://doi.org/10.1081/SIM-200030243","url":null,"abstract":"Abstract The existence of pure‐phase transition metal hydroxy apatites of zinc, copper, manganese, and cobalt could not be verified by repeated attempts to duplicate the few literature procedures reported for their preparation in aqueous solution. Variations of temperature, time of reactions, pH, and use of decomplexation also did not produce apatitic compounds. In the case of zinc, the product resulting from the addition of zinc nitrate to ammonium dihydrogen phosphate in solutions brought to pH >9 with ammonia appears to be a zinc ammonia complex with phosphate as the counter ion. Extensive drying removed ammonia to produce the phosphate. At pH <8.5 several hydrates of zinc phosphate were formed. With copper, the use of literature procedures and variations thereon resulted in libethenite, Cu2(PO4)OH. The literature procedure for the cobalt(II) apatite using ethylenediamine produced no precipitate; at pH 5, Co3(PO4)2 · H2O was formed in the presence of ethylenediamine. The Mahapatra procedure for the manganese apatite produced a mixture of Mn3(PO4)2 · 3H2O and hureaulite, Mn5(PO4)2[PO3(OH)]2, whereas the Rao method resulted in (NH4)MnPO4 · H2O. On extensive heating all of the products decomposed to the anhydrous phosphate. The instability of the apatites in aqueous solution is attributed to their solubility, supported by an approximate calculation of ΔG dissolution for the zinc apatite. The underlying thermodynamic reason for the solubility appears to be the large negative heat of hydration of the relatively small, polarizable transition metal cations.","PeriodicalId":22160,"journal":{"name":"Synthesis and Reactivity in Inorganic and Metal-organic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75296111","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: 4

Synthesis, Spectral Studies, and Biological Activity of Metal Complexes of Benzofuran Thiosemicarbazides 苯并呋喃硫代氨基脲金属配合物的合成、光谱研究及生物活性

Synthesis and Reactivity in Inorganic and Metal-organic Chemistry Pub Date : 2004-12-01 DOI: 10.1081/SIM-200030199

M. B. Halli, Shashidhar, Z. S. Qureshi

引用次数: 8