نتایج جستجو برای: heterobimetallic complex

تعداد نتایج: 784147  

Journal: :Acta Crystallographica Section A Foundations and Advances 2019

Journal: :Chemistry 2006
Man Lok Man King Chung Lam Wing Nga Sit Siu Man Ng Zhongyuan Zhou Zhenyang Lin Chak Po Lau

The heterobimetallic complexes [(eta5-C5H5)Ru(CO)(mu-dppm)Mn(CO)4] and [(eta5-C5Me5)Ru(mu-dppm)(mu-CO)2Mn(CO)3] (dppm = bis-diphenylphosphinomethane) have been prepared by reacting the hydridic complexes [(eta5-C5H5)Ru(dppm)H] and [(eta5-C5Me5)Ru(dppm)H], respectively, with the protonic [HMn(CO)5] complex. The bimetallic complexes can also be synthesized through metathetical reactions between [...

Journal: :Dalton transactions 2010
Matthew B Jones Brian S Newell Wesley A Hoffert Kenneth I Hardcastle Matthew P Shores Cora E MacBeth

The synthesis and characterization of nickel complexes supported by a family of open-chain, tetradentate, tris(amidate) ligands, [N(o-PhNC(O)R)(3)](3-) ([L(R)](3-) where R = (i)Pr, (t)Bu, and Ph) is described. The complexes [Ni(L(iPr))](-), [Ni(L(tBu))](-), and [Ni(L(Ph))(CH(3)CN)](-) have been characterized by solution-state spectroscopic methods and single crystal X-ray diffraction. Each liga...

Journal: :Dalton transactions 2008
José Martínez-Lillo Donatella Armentano Nadia Marino Livia Arizaga Raúl Chiozzone Ricardo González Carlos Kremer Joan Cano Juan Faus

Three novel Re(IV) mononuclear complexes of formulae NBu4[ReC15(pyz)] (1), NH2Me2[ReCl5(pyz)] (2) and NH4[ReCl5(pyz)].0.75H2O (3), (pyz being pyrazine; NBu4+ = tetra-n-butylammonium cation, NH2Me2+ = dimethylammonium cation and NH4+ = ammonium cation), were synthesized by ligand substitution reaction from [ReCl6]2- anion and pyrazine in N,N-dimethylformamide (DMF). In addition, two new heterobi...

Journal: :Dalton transactions 2017
Jennifer A Garden Andrew J P White Charlotte K Williams

The preparation of heterodinuclear complexes, especially those comprising early-late transition metals coordinated by a simple or symmetrical ancillary ligand, represents a fundamental challenge and an opportunity to prepare catalysts benefitting from synergic properties. Here, two new mixed titanium(iv)-zinc(ii) complexes, [LTi(OiPr)2ZnEt] and [LTi(OiPr)2ZnPh], both coordinated by a diphenolat...

Journal: :Dalton transactions 2013
Nelly Berg Thomas N Hooper Junjie Liu Christopher C Beedle Saurabh Kumar Singh Gopalan Rajaraman Stergios Piligkos Stephen Hill Euan K Brechin Leigh F Jones

The heterobimetallic complex [Cu(II)Mn(III)(L)(2)(py)(4)](ClO(4))·EtOH (1) built using the pro-ligand 2,2'-biphenol (LH(2)), contains a rare example of a Jahn-Teller compressed Mn(III) centre. Dc magnetic susceptibility measurements on 1 reveal a strong antiferromagnetic exchange between the Cu(II) and Mn(III) ions mediated through the phenolate O-atoms (J = -33.4 cm(-1)), with magnetisation me...

Journal: :Journal of the American Chemical Society 2008
Sean A Reed M Christina White

Nitrogen functionality is prevalent in synthetic and natural small molecules with significant biological activities.1 Current state-ofthe-art methods for installing nitrogen into complex organic frameworks generally proceed through oxygen.2 While these methods feature high selectivities and predictable reactivities, they lengthen synthetic sequences by requiring unproductive chemical manipulati...

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