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Nitrogen ligand influence on the CO-assisted ruthenium-catalyzed reductive amination
Affiliation:1. A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 119991 Moscow, Russian Federation;2. National Research University Higher School of Economics (HSE University), 101000 Moscow, Russian Federation;3. G. V. Plekhanov Russian University of Economics, 117997 Moscow, Russian Federation;1. M. V. Lomonosov Institute of Fine Chemical Technologies, MIREA – Russian Technological University, 119454 Moscow, Russian Federation;2. St. Petersburg State University, 199034 St. Petersburg, Russian Federation;3. Immanuel Kant Baltic Federal University, 236016 Kaliningrad, Russian Federation;1. I. Ya. Postovsky Institute of Organic Synthesis, Ural Branch of the Russian Academy of Sciences, 620990 Ekaterinburg, Russian Federation;2. Perm National Research Polytechnic University, 614990 Perm, Russian Federation;1. N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russian Federation;2. Department of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russian Federation
Abstract:A representative set of amines and N-heterocycles was applied as additives in the CO-assisted Ru-catalyzed reductive amination of p-anisaldehyde with p-anisidine. Among the tested ligands, pyridine caused a strong activation for low active aliphatic substrates while bidentate heterocyclic ligands possess significant inhibition of catalyst for the majority of substrates.
Keywords:ruthenium  nitrogen-containing ligands  reductive amination  amines  aldehydes  carbon monoxide  catalysis
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