Reported is the new bispidine-derived hexadentate ligand (L = 3-(2-methylpyridyl)-7-(bis-2-methylpyridyl)-3,7-diazabicyclo[3.3.1]nonane) with two tertiary amine and four pyridine donor groups. This ligand can form heterodinuclear and mononuclear complexes and, in the mononuclear compounds discussed here, the ligand may coordinate as a pentadentate ligand, with one of the bispyridinemethane-base...

With the aim of developing new molecular devices having higher photo-hydrogen-evolving activity, Pt(ppy)ClX units (ppy = 2-phenylpyridinate, X = Cl(-) or DMSO; DMSO = dimethylsulfoxide) have been employed as an H(2)-evolving site, as the catalytic activity of [Pt(ppy)Cl(2)](-) was confirmed to be higher than those of other mononuclear platinum(II) complexes. In the present study, two new hetero...

Three novel heterobimetallic Re(IV) compounds of formulae [ReBr(4)(μ-ox)M(4,7-Cl(2)phen)(2)]·CH(3)CN·CH(3)NO(2) [M = Co(II) (1) and Ni(II) (2)] and [ReBr(4)(ox)](3)[Co(III)(5,6-dmphen)(3)](2)·CH(3)CN·2CH(3)NO(2)·4H(2)O (3) [ox = oxalate, 4,7-Cl(2)phen = 4,7-dichloro-1,10-phenanthroline and 5,6-dmphen = 5,6-dimethyl-1,10-phenanthroline] have been synthesised and the structures of 1 and 3 determi...

Abstract Synthesis and structural characterization of two heterodinuclear Zn II -Ln III complexes with the formula [ZnLn(HL)(µ-OAc)(NO 3 ) 2 (H O) x (MeOH) 1-x ]NO · n H O MeOH [Ln = Pr ( 1 ), Nd )] crystal molecular structure [ZnNd(HL)(µ-OAc)(NO O)] [ZnNd(HL)(OAc)(NO O)](NO are reported. The asymmetrical compartmental ligand E )-2-(1-(2-((2-hydroxy-3-methoxybenzylidene)amino)-ethyl)imidazolidi...

With the goal to study the mechanisms of dinuclear metalloenzymes, new synthetic and computational models for such proteins were prepared and studied. Multidentate ligands based on a central phenolate and with imidazoleand carboxylate-containing donor moieties were synthesized to simulate carboxylate-rich ligand environments. The two ligands that were found to be the most useful, were the symme...