SYNTHESIS AND CHARACTERIZATION OF LONG-CHAIN OMEGA-FUNCTIONALIZED ALKYL COBALOXIME COMPLEXES

Two new series of cobaloxime complexes of formulae [Co(Hdmg)(2){(CH2)( n)I}(py)] (Hdmg = the monoanion of dimethylglyoxime, py = pyridine and n = 5, 6, 8, 9 or 10) and [Co(Hdmg)(2){(CH2)(3)OC(O)C(6)H(4)R}(py)] ( R = H, o-, m- or p-OCH3, p-OCH7H15 or p-OC9H19) have been synthesized and fully characterized. The former series provides versatile precurso r species for a wide range of polymethylene homo- and heteronuclear co mplexes, while the latter series confirms that, under mild conditions, elaboration from an omega-hydroxyl group can be achieved to generate stable metal complexes.