Cyclometallated compounds II. Proton and carbon-13 nuclear magnetic resonance spectral assignments of cyclopalladated compounds |
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| Institution: | 1. Department of Chemistry, Cotton University, Guwahati 781001, Assam, India;2. Department of Zoology, Cell & Biochemical Technology Laboratory, Cotton University, Guwahati 781001, Assam, India;3. Departament de Química, Universitat de les Illes Balears, Crta de valldemossa km 7.7, 07122 Palma de Mallorca (Baleares), Spain;1. EBEAM, School of Materials Science & Engineering, Yangtze Normal University, Chongqing 408100, China;2. Key Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, Key Laboratory of Functional Materials and Photoelectrochemistry of Haikou, College of Chemistry & Chemical Engineering, Hainan Normal University, Haikou 571158, China;3. School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China;4. Software Centre for High Performance Numerical Simulation, Institute of Applied Physics and Computational Mathematics, Beijing 100088, China;5. Research Institute of Interdisciplinary Science (RISE) and School of Materials Science & Engineering, Dongguan University of Technology, Dongguan 523808, Guangdong, China;1. Chemistry Department, Faculty of Science, Kuwait University, P.O. Box 5969, Safat 13060, Kuwait;2. Biochemistry Department, Faculty of Medicine, Kuwait University, Kuwait;1. Chemistry Division, Bhabha Atomic Research Centre, Mumbai, 400 085, India;2. Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur, 714246, India |
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| Abstract: | The 1H and 13C NMR spectra of nineteen cyclopalladated acetylacetonate complexes are reported. Definitve spectral assignments are made on the basis of selective proton decoupling experiments, difference NOE spectra and both homo- and hetero-nuclear two-dimensional correlation spectroscopy. The Pd(acac) substituent is shown to induce characteristic chemical shift changes in both proton and carbon spectra. These effects, however, vary from those of differently substituted palladium and other metal substituents. |
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