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Oligopyridine, metal complexes

S. Orlandi, R. Annunziata, M. Benaglia, F. Cozzi, and L. Manzoni, Synthesis of some oligopyridine-galactose conjugates and their metal complexes A simple entry to multivalent sugar ligands, Tetrahedron, 61 (2005) 10048-10060. [Pg.379]

Bridging ligands, 32 56 Fe—S clusters, 38 172 Bridging oligopyridines, 30 72-73 Bridging tetrazadiene, in transition metal complexes, 30 43, 48, 49... [Pg.33]

Metal complexes of nitrogen heterocyclic ligands, such as pyridines and oligopyridines, represent an important class of NLO chromophores which have received much attention during the last fifteen years. [Pg.17]

The higher oligopyridines and their metal complexes 06COS19. [Pg.71]

Bicyclo(4.4.1 Jundecapentaene complexes with group VI B metals, 12 237 Bidentate ligands, reactions with tetracyano complexes containing oxo or nitrido ligands, 40 310-313 Bidentate oligopyridines, 30 72-73 Bidentate polysulfide complexes, bond lengths, 31 114... [Pg.22]

Coordination bonds, between transition metal atoms and ligating atoms, 27 72-76 Coordination chemistry, of oligopyridines, see Oligopyridines, coordination chemistry Coordination complexes covalent binding in, 5 13-15 fluorocyclic derivatives, 15 346-368 Coordination compounds... [Pg.60]

Suitably substituted diazines also form chelate complexes, e.g. 2,3,5,6-tetrakis(a-pyridyl)pyrazine yields red tridentate complexes with Fe11. In the fast development of metallosupramolecular chemistry, many other polydentate ligands, based on 2,2 -bipyridyl units, have been obtained and studied (94CI(L)56). Thus, two molecules of oligopyridine (58) interact with various metal ions (Fe2+, Co2+, Cu2+ etc.) to form a double-helical [M2L2]4+ complex in which each metal is bonded to a tridentate region from each ligand. [Pg.180]

Using the longer oligopyridine ligand 2,2 6, 2" 6",2" 6", 2""-sexipyridine (spy) (4), Constable et al. have shown that some metal ions can induce the formation of double-helical aggregates. In particular, (4) was allowed to complex with six different metal ions and the resultant structure of each aggregate was determined [16]. [Pg.2]

Terpyridine is the simplest oligopyridine capable of forming a double-stranded helicate. Copper complexes with terpyridine derivatives have been reported. In [Cu2(L17)2](PF6)2 (45) and [Cu2(Li8)2](PF6)2 (46), the ligands have essentially distributed themselves to present bidentate domains to one metal center and a single pyridine donor to the other, to give a [4 + 2] double helicate. The two copper atoms involve different coordination environments, one with a distorted tetrahedral geometry and the second in a approximately linear two-coordinate environment (Fig. 10). [Pg.189]


See other pages where Oligopyridine, metal complexes is mentioned: [Pg.245]    [Pg.106]    [Pg.175]    [Pg.175]    [Pg.51]    [Pg.235]    [Pg.289]    [Pg.185]    [Pg.701]    [Pg.133]    [Pg.271]    [Pg.138]    [Pg.69]    [Pg.161]    [Pg.202]    [Pg.226]    [Pg.226]    [Pg.5]    [Pg.189]    [Pg.190]    [Pg.189]    [Pg.506]    [Pg.748]    [Pg.219]   
See also in sourсe #XX -- [ Pg.257 ]




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Oligopyridines

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