Journal
RUSSIAN CHEMICAL BULLETIN
Volume 62, Issue 3, Pages 751-757Publisher
SPRINGER
DOI: 10.1007/s11172-013-0102-5
Keywords
asymmetric hydrogenation; rhodium and iridium complexes; metal complex catalysis; diphenylphosphinoferrocenyl thioether ligands
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Funding
- Russian Foundation for Basic Research [12-03-31326]
- France National Center of Scientific Studies [12-03-93112]
- French Embassy in Moscow for the fellowship grant
- RFBR [12-03-93112]
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Rhodium complexes with the planar chiral phosphinoferrocenyl thioether ligands [Rh(P,SR)(diene)X] (R = Me, Bu-t, Ph, Bn, diene is cyclooctadiene (COD) or norbornadiene (NBD), X = Cl, BF4) catalyze hydrogenation of ketones, imines, and heteroaromatic compounds; in the case of acetophenone, the enantioselectivity reached 60% ee. Similar iridium complexes demonstrate a good activity in the hydrogenation of imines, the maximal enantioselectivity in the case of N-phenyl-N-(1-phenylethylidene)amine was about 40% ee.
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