13C and 119Sn NMR spectra of some tribenzyltin(IV) compounds |
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| Institution: | 1. Department of Chemistry, Faculty of Basic Sciences, University of Balochistan, Sariab Road, 87300 Quetta, Pakistan;2. School of Chemical Sciences and Food Technology, Faculty of Science and Technology, University Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia;3. Department of Microbiology, Faculty of Biological Sciences, University of Balochistan, Sariab Road, 87300 Quetta, Pakistan;4. Department of Chemistry, Faculty of Science, University of Malaya, 50603 Kuala Lampur, Malaysia;5. Department of Disaster Management, University of Balochsitan, Sariab Road, 87300 Uetta, Pakistan;1. Laboratory of Cerebrovascular Mechanisms of Brain Disorders, Department of Neuroscience, Institute of Functional Genomics, (UMR 5203 CNRS – U 1191 INSERM – Univ. Montpellier) Montpellier, France;2. Université Paris Diderot, Sorbonne Paris Cité, Unité de Biologie Fonctionnelle et Adaptative (BFA), CNRS UMR 8251, F-75205 Paris, France;3. Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-Purpan, UPS, Toulouse, France;4. Laboratory Signalization, Plasticity and Cancer, Department of Cancer Biology, Institute of Functional Genomics, Montpellier, France;5. Cerebrovascular Research, LRI Cleveland Clinic, USA |
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| Abstract: | The 13C and 119Sn NMR spectra of some tribenzyltin(IV) compounds and their complexes in coordinating and non-coordinating solvents have been studied. The δ(119Sn) chemical shifts and coupling constants 1J(119Sn, 13C) clearly depend on the coordination number of the central tin atom and the geometry of its coordination polyhedra. Approximate ranges of the characteristic values of both the NMR parameters were determined for various configurational types of tribenzyltin compound. The 13C and 119Sn NMR parameters found are indicative of a distinct interaction between the polarized σ(SnC) bond and adjacent π-electron system of the aromatic ring(s). |
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