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| Abstract: | The thesis deals with our studies on the synthesis and elucidation of structure of some metal complexes of dithio ligands, such as the dithiocarbamates, xanthates and 2-aminocyclopent-1-ene-1-dithiocarboxylate and its N-alkyl derivatives.2-Aminocyclopent-1-ene-1-dithiocarboxylate (ACDA) is an interesting ligand, because of its potential dual capability of bonding between the metal and the ligand. Since the earlier reports on the complexes of ACDA contain contradictory ideas on the nature of its bonding, it was thought worthwhile to undertake a detailed and systematic study of these type of complexes. As the ACDA complexes have very low solubilities in solvents like chloroform, we have used the isopropyl derivative of ACDA as the ligand. The increased solubility of these complexes have made it possible to investigate their NMR and solution electronic spectra.The complexes of this ligand have not yet been reported in the literature.We have synthesised some new mixed ligand complexes of dithiocarbamates by reacting bis(dithiocarbamato)-µ-dichloro dicopper complexes (obtained by the reaction of mixed benzoic dithiocarbamic anhydride and copper(II) chloride) with ACDA or its N-alkyl derivatives.Interactions of metal halides with the mixed anhydrides formed from benzoylchloride and xanthates have also been investigated. Novel complexes of the type, [Cu2(RXant)CI] (R=i-Bu, i-Pr, n-Bu or n-Pr)) have been isolated from the reaction of copper(II) chloride and the mixed anhydride, and these reactions appear to be like the clock reactions reported in the literature.It also deal with the characterisation of the complexes of the type [Hg(R2d t c )X] (X=Cl, Br or 1),[Cu3(R2dtc)6][Cu2Br6] and [Cu(R2dtc)Cl2](R2=Me2,Et2,Pip,Morph or Pyrr)respectively, synthesised by simple and novel routes, different from those reported earlier. |
| Description: | Department of Applied Chemistry, Cochin University of Science and Technology |
| URI: | http://dyuthi.cusat.ac.in/purl/2204 |
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| Dyuthi-T0559.pdf | (4.014Mb) |
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