New chiral phosphite ligands bearing sp2-nitrogen: complexation properties and palladium(II)-catalysed enantioselective allylic alkylation |
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| Institution: | 1. Institute of Organoelement Compounds, Russian Academy of Sciences, 28, Vavilov str., 117813 Moscow, Russia;2. Department of Chemistry, Ryazan State Pedagogic University, 46, Svoboda str., Ryazan 390000, Russia;1. University of Insubria, Department of Science and High Technology and CIRCC, Via Valleggio 9, 22100 Como, Italy;2. Institute of Chemistry, University of Neuchâtel, Avenue de Bellevaux 51, CH-2000 Neuchâtel, Switzerland;1. Department of Chemistry, Faculty of Science, University of Qom, Qom 37185-359, Iran;2. Department of Physics, University of Qom, Qom, Iran;3. Department of Chemistry, Buinzahra Branch, Islamic Azad University, Buinzahra, Qazvin, Iran;1. Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, C/. Catedrático José Beltrán, 2, Paterna 46980, Valencia, Spain;2. Department of Chemistry, University at Albany, Albany, NY, United States;3. Department of Chemistry, The University of Chicago, Chicago, IL, United States;4. Institut de Chimie Moléculaire, Matériaux et Modélisation– C3M, Faculté Polydisciplinaire de Safi, Université Cadi Ayyad, Safi, Morocco |
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| Abstract: | New homochiral P,N-bidentate phosphite-type ligands containing sp2-nitrogen were synthesised and their complexation with Rh(I) and Pd(II) atoms was investigated. The X-ray crystal structure of one of the chelate chlorocarbonyl rhodium complexes was obtained. E.e.s of up to 85% were attained in the Pd-catalysed allylic substitution reaction using the new P,N-ligands. |
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