H. Arslan, N. Külcü, U. Flörke
Oct 1, 2003
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Transition Metal Chemistry
Abstract
A novel series of thiourea derivatives, namely, N,N-diphenyl-N′-(4-phenyl-benzoyl)thiourea (HL1), N,N-diphenyl-N′-(4-chloro-benzoyl)thiourea (HL2) and N,N-di-n-propyl-N′-(4-chloro-benzoyl)thiourea (HL3), and its metal complexes has been prepared and characterised by elemental analysis, i.r. spectroscopy, 1H-n.m.r. spectroscopy, mass spectrometry and single crystal X-ray diffraction. The ligand coordinates to NiII, CuII and CoII in a bidentate manner yielding essentially neutral complexes of the type cis-[ML2]. N.m.r. spectra and single crystal X-ray diffraction analysis revealed the presence of a distorted tetrahedral coordination ML2 complex.