نتایج جستجو برای: dinuclear and monohydroxo bridged
تعداد نتایج: 16828771 فیلتر نتایج به سال:
Helicobacter mustelae, a gastric pathogen of ferrets, synthesizes a distinct iron-dependent urease in addition to its archetypical nickel-containing enzyme. The iron-urease is oxygen-labile, with the inactive protein exhibiting a methemerythrin-like electronic spectrum. Significantly, incubation of the oxidized protein with dithionite under anaerobic conditions leads to restoration of activity ...
The asymmetric unit of the title compound, [Mn(2)Cl(4)(C(30)H(36)N(6))], contains one-half of the formula unit; a centre of inversion is located at the mid-point of the mol-ecule. The two Mn(2+) ions are bridged by the dual tri-dentate N,N,N',N'-tetra-kis(2-pyridylmeth-yl)hexane-1,6-diamine ligand to form a dinuclear complex. Each Mn atom is five-coordinated in an approximately square-pyramidal...
A hydrosulfido platinum(ii) complex with a chelated N-heterocyclic carbene (NHC) ligand was oxidised with O(2) in the presence of excess hydrogen sulfide, to give a linear tetrasulfido complex, and without hydrogen sulfide, to give a thiosulfato-bridged dinuclear complex. The hydrosulfido complex also reacted with an acetato complex containing the chelating NHC platinum unit to afford a trinucl...
A series of benzobisimidazolium salts have been prepared and treated with [PtCl2(dppe)] or [PtCl2(dmpe)] in the presence of sodium acetate to yield dinuclear dicarbene-bridged complexes of the type [(P^P)(X)Pt(benzodicarbene)Pt(X)(P^P)](X)2 [5]Br2-[11]I2. The reaction of compounds [7]Br2 and [11]I2 with AgPF6 in acetonitrile led to the exchange of the metal-bound bromo or iodo ligands for aceto...
The dinuclear compound, [V(2)(C(12)H(11)BrN(2)O(2))(2)(CH(3)O)(2)O(2)], lies on a center of inversion. The doubly-deprotonated Schiff base O,N,O'-chelates to the V(V) atom; two metal atoms are bridged by the methoxide units. The coordination geometry is a distorted octa-hedron. Weak inter-molecular C-H⋯N hydrogen bonding is present in the crystal structure. The bromo-phenyl unit is disordered o...
In the mol-ecular structure of the title compound, [Cr(2)Cl(4)(C(26)H(36)N(2))(2)(C(4)H(8)O)]·4.5CH(2)Cl(2), the two Cr(II) centers are bridged by three Cl atoms, forming a dinuclear complex. Each Cr(II) center is coordinated by one chelating bis-(2,6-diisopropyl-phen-yl)ethane-1,2-diimine ligand via both N atoms. An additional chloride ion binds to one chromium center, whereas an additional te...
In the title compound, [Ag(2)(C(12)H(12)N(2))(C(21)H(15)N(3))(2)](CF(3)SO(3))(2), the Ag(I) atom is coordinated by three N atoms of one 4'-phenyl-2,2':6',2''-terpyridine (phtpy) ligand and one pyridyl N atom of the 1,2-bis-(4-pyrid-yl)ethane (bpe) ligand, displaying a distorted square-planar geometry. Two Ag(I) atoms are bridged by one trans-bpe ligand, generating a dinuclear cation. The dinucl...
New Isomeric Azine-Bridged Dinuclear Platinum(II) Complexes Circumvent Cross-Resistance to Cisplatin
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