Preparation of transition metal complexes of strongly basic ligands by thermal decomposition |
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| Affiliation: | 1. Chemistry Group, Manipal Centre for Natural Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576 104, India;2. Department of Physics, TKM College of Arts and Science, Karicode, Kollam, Kerala 69100, India;3. University of Novi Sad, Faculty of Sciences, Department of Physics, Trg D. Obradovića 4, 21000 Novi Sad, Serbia;4. University of Novi Sad, Faculty of Sciences, Department of Chemistry, Biochemistry and Environmental Protection, Trg D. Obradovića 3, 21000 Novi Sad, Serbia;1. Centre for Advanced Studies in Chemistry, North-Eastern Hill University, NEHU Permanent Campus, Umshing, Shillong 793 022, India;2. Department of Biotechnology & Bioinformatics, North-Eastern Hill University, NEHU Permanent Campus, Umshing, Shillong 793 022, India;3. Centro de Investigaciones Químicas, Instituto de Investigación en Ciencias Básicas y Aplicadas, Universidad Autónoma del Estado de Morelos, Av. Universidad 1001, Cuernavaca 62209, Mexico;1. Department of Electronic Engineering, Jiangsu University, Zhenjiang 212013, China;2. College of Information Science and Technology, Donghua University, Shanghai 201620, China |
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| Abstract: | The usual stoichiometry of metal salicylates, 2-oxy-3-naphtholates, anthranilates and salicylaldoximates is M2+(HL−)2.xH2O. Heating such a solid in an inert atmosphere causes proton transfer between the two HL−-ligands and the following reaction takes place: M(HL)2(s) → ML(s) + H2L(g). The new complex ML(s) (e.g. zincsalicylate) reacts with solid or dissolved monoprotic ligands HL' (e.g. 8-hydroxyquinoline) to form the mixed complex (e.g. zinc-salicylate-oxyquinolate) in excellent yield. |
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