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  • TITLE
  • DEDICATION
  • CERTIFICATE
  • DECLARATION
  • ACKNOWLEDGEMENT
  • Preface
  • CONTENTS
  • 1. Introduction
  • 1.1 Dithiocarbamates as ligands
  • 1.2 Structural features of dithiocarbamate complexes
  • 1.3 Copper-coordination chemis
  • 1.3.1 Copper (II) complexes
  • 1.3.2 Copper (l) -complexation characteristics
  • 1.3.3 Copper (l) complexes-stereochemistry
  • 1.3.4 Redox properties of copper (l) / (Il) systems
  • 1.3.5 Biological copper
  • 1.4 Copper complexes of dithiocarbamates-a review
  • 1.4.1 Copper complexes of dithiocarbamates derived from primary amines
  • 1.5 Scope and objectives
  • References
  • 2. General Experimental Methods and Techniques
  • 2.1 Materials
  • 2.2 Preparative details
  • 2.2.1 Dithiocarbamate ligands
  • 2.2.2 Polymer supported primary amines
  • 2.2.3 Polymer supported primary amine dithiocarbamates
  • 2.3 Elemental analysis
  • 2.3.1 Copper
  • 2.3.2 Sulphur
  • 2.3.3 Carbon, hydrogen and nitrogen
  • 2.3.4 Chlorine capacity of polymer resin
  • 2.4 Sectral methods
  • 2.5 other analytical methods
  • 2.5.1 Molecular mass determination
  • 2.5.2 Magnetic susceptibility
  • 2.5.3 Thermogravimetry
  • References
  • 3. Interaction of Copper (lI) with Dithiocarbamates Derived from Primary Amines: Existence of One-electron Redox Process and Formation of Polymeric Copper (I) Complexes
  • 3.1 Experimental
  • 3.1.1 Preparation of dithiocarbamate ligands
  • 3.1.2 Interaction of Cu (II) with RHDtc (Preparation of Cull) complexes)
  • 3.1.3 Oxidation of RHDtc with iodine solution (Preparation of N, N-disubstituted thiuram disulphides)
  • 3.2 Results and discussion
  • 3.2.1 Redox process in aqueous medium
  • 3.2.2 Interaction of Cup with RHDtc generated in ethanol medium
  • 3.2.3 Structural aspects of Cu (I) RHDtc complexes
  • References
  • 4. Interaction of Copper (ll) with Dithiocarbamates Derived from Primary Amines: Formation of Dimeric and Tetrameric Copper (I) Complexes
  • 4.1 Introduction
  • 4.2 Experimental
  • 4.2.1 Preparative details
  • 4.2.2 Benzoylation reaction of Cu (RHDtc) complexes
  • 4.3 Results and discussion
  • 4.3.1 Nature of reaction between Cu 2+ and RHDtc in nonaqueous solvents
  • 4.3.2 Dimeric and tetrameric species
  • 4.3.3 Electrophilic substitution of the NH Proton of the N-monosubstituted dithiocarbamatocopper (l) complexes
  • 4.3.4 Oligomeric CuRHDtc species from aqueous medium
  • References
  • 5. Interaction of Copper (II) with Dithiocarbamates Derived from Primary Amines Immobilised on Polymer Support: Redox Stabilisation of Copper (ll) State
  • 5.1 Introduction
  • 5.2 Preparative details
  • 5.2.1 Polymer support systems
  • 5.2.2 Polymer supported primary amine systems
  • 5.2.3 Polystyrene supported primary amine dithiocarbamate systems
  • 5.2.4 Interaction of copper (lI) salts with the immobilised RHNCS2- systems
  • 5.3 Results and discussion
  • 5.3.1 Polymer support and immobilised dithiocarbamate systems
  • 5.3.2 Interaction of polymer supported RHDtc with copper (Il) salts
  • 5.4 Interaction of some Cu (II) chelates with the polymer bound RHDtc: an attempt to prepare mixed ligand complexes of Cu (II) involving N-monosubstituted dithiocarbamates
  • 5.4.1 Preparation details
  • 5.4.2 Interaction of the copper (II) complexes with the polymer bound dithiocarbamates
  • 5.4.3 Results and discussion
  • References
  • 6. Thermal Studies on Some Copper (I) Complexes of Dithiocarbamates Derived from Primary Amines
  • 6.1. Introduction
  • 6.2. Experimental
  • 6.3. Results and discussion
  • 6.3.1 Phenomenological aspects
  • 6.3.2 Thermal stability
  • 6.3.3 Kinetic aspects
  • 6.3.4 Mechanistic aspects
  • References
  • 7. Summary and Conclusion