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Title: Synthesis of multidentate ligands via reduction of Schiff base-zinc(II) complex and their use for in situ synthesis of potentially biomimetic Type I copper complexes
Authors: Dhillon, Harmeet
Singh, Urvasini
Kumbhat, Sunita
Issue Date: Oct-2008
Publisher: CSIR
Series/Report no.: Int. Cl. ⁸ C07C251/02; C07F1/08; C07F3/06
Abstract: In an attempt to simulate the properties of blue copper proteins three low molecular weight and low symmetric solid copper(II) complexes have been synthesized. Ligands with highly asymmetric coordination environment have been prepared in two steps. The first step involves synthesis of zinc-coordinated Schiff base of benzothiazolines, which are then subjected to reduction followed by removal of the metal ion from these reduced complexes. The free ligands thus generated are then used for in situ complexation with Cu(II). These complexes exhibit an intense S→Cu(II) charge transfer band at ≈ 600 nm with high extinction values, which is characteristic of Type I copper complexes. The conductivity, magnetic susceptibility and IR studies also support the assigned structures to the complexes.
Description: 1508-1511
ISSN: 0376-4710
Appears in Collections: IJC-A Vol.47A(10) [October 2008]

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