PEG-anchored rhodium polyether diphosphinite complex as an efficient homogeneous and recyclable catalyst for hydroaminomethylation of olefins |
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| Affiliation: | 1. Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, NJ 08854, USA;2. College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang, Henan 473061, PR China;1. Departamento de Química (Módulo 13), Universidad Autónoma de Madrid, 28049 Madrid, Spain;2. Departamento de Química Orgánica (Módulo 1), Universidad Autónoma de Madrid, 28049 Madrid, Spain;3. División Académica de Ciencias Básicas, Universidad Juárez Autónoma de Tabasco, Mexico;4. Condensed Matter Physics Center (IFIMAC), Universidad Autónoma de Madrid, 28049 Madrid, Spain;1. Department of Chemistry, University of Cape Town, Rondebosch 7701, South Africa;2. Department of Chemistry, University of Johannesburg, PO Box 524, Auckland Park 2006, South Africa;1. CQC, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal;2. Luzitin SA, Edificio Bluepharma, S. Martinho do Bispo, 3045-016 Coimbra, Portugal;3. Faculty of Pharmacy, Exact Sciences and Technology Unit, State University of Goiás, 75132400 Anápolis, Goiás, Brazil;1. Jagiellonian University, Faculty of Chemistry, Ingardena 3, 30-060 Kraków, Poland;2. Jerzy Haber Institute of Catalysis and Surface Chemistry, PAS, Niezapominajek 8, 30-239 Kraków, Poland;1. Chemistry Department-ICEx, Federal University of Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil;2. CNRS, LCC (Laboratoire de Chimie de Coordination), 205, route de Narbonne, F-31077, Toulouse, France;3. Université de Toulouse, UPS, INPT, LCC, F-31077, Toulouse, France;4. Laboratoire de Chimie des substances naturelles, Faculté des Sciences Semlalia, Université Cadi Ayyad, B.P. 2390, Marrakech, Morocco |
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| Abstract: | A recyclable rhodium polyether diphosphinite complex anchored in polyethylene glycol [RhPEGD] was studied for hydroaminomethylation of various olefins with primary and secondary amines. The protocol was optimized with respect to various reaction parameters and the general applicability of catalyst for hydroaminomethylation of different functionalized olefins with corresponding amines was investigated. During the course of reaction, catalyst was soluble with reactants/products while could be quantitatively separated from reaction media in biphasic form by addition of anti-solvent on completion of reaction. The catalyst exhibited remarkable activity and was subsequently recycled up to five consecutive cycles. |
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