Abstract

Unsymmetrical thiourea of general formula RR’CS where R ≠ R′, were prepared by treating phenyisothiocayanate with iso-butylamine and tert-butylamine and respective thiourea derivatives, isobutylphenylthiourea (1) and tert-butylphenylthiourea (2) were obtained. These ligands were treated with ZnCl2, CdCl2 and HgI2 and neutral complexes bis(isobutylphenylthiourea)dichlorozinc(II) 3, bis(tert-butylphenylthiourea)dichlorozinc(II) 4, bis(isobutylphenylthiourea)dichlorocadmium(II) 5, bis(tert-butylphenylthiourea)dichl-orocadmium(II) 6, bis(isobutylphenylthiourea)diiodomercurry(II) 7, bis(tert-butylphenyl-thiourea)diiodomercurry(II) 8 were obtained. All compounds were structurally characterized with the help of FT-IR and NMR (1H and 13C) spectroscopy. Compounds 2, 3, 5, 7 are crystalline and their structure was confirmed by SC-XRD. Complexes and their starting precursors were evaluated for their antioxidant and enzyme inhibition potentials. Some of the compounds exhibited excellent antioxidant potentials. Molecular docking studies were also carried out for compounds 1–8.

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