Synthesis and structure of new compounds with Pt-Ga bonds: Insertion of the bulky gallium (I) bisimidinate Ga(DDP) into Pt-Cl bond |
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| Authors: | Adinarayana Doddi Rüdiger W Seidel Roland A Fischer |
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| Institution: | a Inorganic Chemistry-II, Organometallics and Materials, Faculty of Chemistry and Biochemistry, Ruhr University Bochum, Universtitaetsstrasse 150, D-44780 Bochum, Germany
b Analytical Chemistry, Faculty of Chemistry and Biochemistry, Ruhr University Bochum, D-44780 Bochum, Germany |
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| Abstract: | Reactions of the sterically bulky mono-valent group 13 bisimidinate gallium(I), Ga(DDP) (1) (DDP = 2-{(2, 6-diisopropylphenyl)amino}-4-{(2, 6-diisopropylphenyl)imino}-2-pentene, HC(CMeNC6H3-2,6-iPr2)2) with olefin supported group 10 complexes, (diene)PtCl2] diene = 1,5-cyclooctadiene (COD), endo-dicyclopentadiene (dcy)] and (COD)Pd(Me)(OTf)] (OTf = O3SCF3) are reported. These reactions afforded (COD)Pt(Cl){ClGa(DDP)}] (2), (dcy)Pt(Cl){ClGa(DDP)}] (3) and (DDP)Ga(Me)(OTf)] (4) in moderate yields. Compounds 2-4 were characterized by elemental analysis, NMR (1H, 13C) spectroscopy and also by single crystal X-ray structural analysis. The solid state structures of complexes 2 and 3 reveal the oxidative insertion of Ga(DDP) into the Pt-Cl bond without altering the π-coordinated double bonds in the olefin. |
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| Keywords: | Insertion Cyclooctadiene Platinum complexes Dicylcopentadiene Main-group |
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