Synthesis and characterization of new cationic hydride complexes of rhodium(III) |
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| Affiliation: | 1. Department of Medicinal Chemistry, Organic Pharmaceutical Chemistry, Uppsala University, Box 574, SE-75123 Uppsala, Sweden;2. Department of Chemistry-BMC, Uppsala University, Box 576, SE-75123 Uppsala, Sweden;3. Rega Institute, Department of Microbiology and Immunology, University of Leuven, B-3000 Leuven, Belgium;1. Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia;2. Department of Organic Chemistry, Faculty of Pharmacy, Al-Azhar University, Cairo 11884, Egypt;3. Department of Physics, Fatima Mata National College, Kollam, Kerala, India;4. Department of Physics, TKM College of Arts and Science, Kollam, Kerala, India;5. Department of Medicinal Chemistry, Faculty of Pharmacy, University of Mansoura, Mansoura, Egypt;6. Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, AlKharj, Saudi Arabia;7. University of Novi Sad, Faculty of Sciences, Department of Physics, Trg D. Obradovića 4, 21000 Novi Sad, Serbia;8. University of Novi Sad, Faculty of Sciences, Department of Chemistry, Biochemistry and Environmental Protection, Trg D. Obradovića 3, 21000 Novi Sad, Serbia;9. Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium;1. Joint Center for Energy Storage Research, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA;2. Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA;3. Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA;4. Joint Center for Energy Storage Research, Argonne National Laboratory, Lemont, IL, 60439, USA;5. Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, IL, 60439, USA |
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| Abstract: | New cationic hydride complexes of rhodium(III) with PR3 and R-DAB ligands have been prepared and characterised. The tertiary phosphines employed were PPh3, PMePh2, PEt3 and the R-DAB ligands, (RN:CR′CR′:NR), c-Hex-DAB, Ph-DAB, NH2-DAB-(CH3,CH3). Hexacoordinate-dihydride complexes, characterized by 1H and 31P NMR, with stoichiometry [RhH2(R-DAB)(PR3)2]X were obtained. Compounds with other stoichiometries (R-DAB/PR3=1 or 2) are also possible. Preliminary studies of the catalytic activity in hydrogenation of olefins have been carried out. |
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