Synthesis and Characterization of Copper(II), Nickel(II), Zinc(II), Palladium(II) and Dioxouranium(VI) Complexes with a Tridentate ONS Donor Schiff Base

Department of Chemistry, The University of Burdwan, Burdwan-713 104

Department of Chemistry, The University of Nottingham, Nottingham, NG7 2RD, U.K.

Manuscript received 9 January 1997, revised 6 April 1998, accepted 13 April 1998

The reaction between 3-formylsalicylic acid and 2-aminothiophenol yielded the thiazoline (2) instead of the ligand H₃L (3). The treatment of metal acetate under refluxing condition rearranges the thiazoline structure to Schiff base complexes. The complexes of copper(II) (4), nickel(II) (5), zinc(II) (6), palladium(II) (7) and uranyl(vi) (8) have been synthesised and characterised by elemental analysis, ic, uv-vis and thermal studies and partly by ¹H nmr, magnetic and cyclic voltammetric measurements.