نتایج جستجو برای: copper complexes

تعداد نتایج: 214995  

2007
Jon D. Silversides Cheryll C. Allan Stephen J. Archibald

Two molecular structures of the copper(II) complex, Cu(H2TETA), have been determined by X-ray crystallography. The Jahn–Teller distortion differs between the two structures; occurring either along the axis of the pendant acetate arms or across the macrocyclic ring. An analysis of deposited data from over one hundred copper(II) cyclam X-ray structures in the Cambridge Structural Database (CSD) r...

2007
Jon D. Silversides Cheryll C. Allan Stephen J. Archibald

Two molecular structures of the copper(II) complex, Cu(H(2)TETA), have been determined by X-ray crystallography. The Jahn-Teller distortion differs between the two structures; occurring either along the axis of the pendant acetate arms or across the macrocyclic ring. An analysis of deposited data from over one hundred copper(II) cyclam X-ray structures in the Cambridge Structural Database (CSD)...

Journal: :Coordination Chemistry Reviews 2015

Journal: :Canadian Journal of Chemistry 1969

Journal: :Journal of Chemical Sciences 2002

2015
Elena Pahontu Felicia Julea Tudor Rosu Victor Purcarea Yurie Chumakov Petru Petrenco Aurelian Gulea

1-phenyl-3-methyl-4-benzoyl-5-pyrazolone 4-ethyl-thiosemicarbazone (HL) and its copper(II), vanadium(V) and nickel(II) complexes: [Cu(L)(Cl)]·C₂H₅OH·(1), [Cu(L)₂]·H₂O (2), [Cu(L)(Br)]·H₂O·CH₃OH (3), [Cu(L)(NO₃)]·2C₂H₅OH (4), [VO₂(L)]·2H₂O (5), [Ni(L)₂]·H₂O (6), were synthesized and characterized. The ligand has been characterized by elemental analyses, IR, (1) H NMR and (13) C NMR spectroscopy....

Journal: :Dalton transactions 2016
Oriol Martínez-Ferraté Josep M López-Valbuena Marta Martínez Belmonte Andrew J P White Jordi Benet-Buchholz George J P Britovsek Carmen Claver Piet W N M van Leeuwen

A series of imino- and amino-pyridine ligands based on dihydrobenzofurobenzofuran (BFBF) and methanodibenzodioxocine (DBDOC) backbones have been synthesized. These ligands form exclusively dinuclear complexes with metals such as iron(II) and copper(II). The structures for complexes 15, 16, 18, 19, 20, 21, 23, and 24 were determined by X-ray crystallography. The complexes show large distances fo...

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2005

Journal: :Biochemical Journal 1954

2007
G.Delia Lunga

The copper complexes of histidinecontaining peptides naturally occurring in blood plasma [1,2] can be used as a model for metal/protein interactions.In fact a low molecular weight peptide containing histidine or even histidine itself may compete with ceruloplasmin for copper in the blood, significantly altering free ligand levels. For this reason, the coordination behaviour of the histidine moi...

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