Transition metal ion complexes of thiosemicarbazones derived from 2-acetylpyridineN-oxide. II. The4 N-dimethyl derivative |
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| Authors: | Douglas X. West Lewis K. Pannell |
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| Affiliation: | (1) Department of Chemistry, Ilinois State University, 61761 Normal, IL, USA;(2) National Institute of Diabetes, Digestive, and Kidney Diseases, National Institutes of Health, 20892 Bethesda, MD, USA |
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| Abstract: | Summary Metal ion complexes of 2-acetylpyridineN-oxide4N-dimethylthiosemicarbazone (HLO4DM), have been prepared and spectroscopically characterised. The presence of two alkyl groups at4N facilitates loss of the hydrogen from2N since HLO4DM is found as the anionic ligand in the majority of its complexes. The anionic LO4DM bonds to the metal ions via theN-oxide oxygen, the azomethine nitrogen, and the thiol sulphur atoms. The infrared, electronic, and electron spin resonance spectra of these complexes are compared to 2-acetylpyridineN-oxide4N-methylthiosemicarbazone as well as 2-acetylpyridine4N-dimethylthiosemicarbazone. |
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