Synthesis, spectroscopic and thermal properties of some ionic polymers and polymeric complexes derived from phthaloyl bis (s-methylhydrazinecarbodithioate).
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Mono- and bis hydrzides derived from the condensation of S-methylhyd-razinecabodithioate with benzoylchloride and tere- and iso-phthaloydichloride, respectively, were prepared. Their reactions with secondary (piperazme) and tertiary (N,N,N',N',-tetraethylethynediamine) diamines forming ionic polymers, and nickel(II) salts forming different polymeric complexes were investigated. Elemental analysis, infrared and electronic spectra have shown that the mono- and bishydrazides bahave differently toward the nickel(II) salts. With nickel(II) acetate the monohydrazides behaves as bridged dibasic tetradentate molecule forming polymeric nickel(II) complexes while with nickel(II) chloride it behaves as monobasic bidentate ligand. The tere- and isophthaloyl bis-hydrazide behave as bridged dibasic molecule with eight center of coordination in the complexes derived from nickel(II) acetate and four center of coordination in complexes derived from nickel(II) chloride. The thermal properties of the ionic polymers and the polumeric nickel(II) complexes were also investigated.
- Qatar University Science Journal - [From 1981 TO 2007] [770 items ]