Tandem Hydroformylation–Hydrogenation of 1‐Decene Catalyzed by Rh‐Bidentate Bis(trialkylphosphine)s
- 22 September 2008
- journal article
- research article
- Published by Wiley in Chemistry – An Asian Journal
- Vol. 3 (8-9), 1722-1728
- https://doi.org/10.1002/asia.200800163
Abstract
A series of 2,2′-bis[(dialkylphosphino)methyl]biphenyls (alkyl-BISBIs) were synthesized and applied to the tandem hydroformylation–hydrogenation of 1-decene. The alkyl-BISBI ligands with “small” primary alkyl groups such as methyl or n-hexyl groups on the phosphorus atoms provided 1-alkanols selectively, whereas those with larger alkyl groups such as isopropyl or neopentyl groups showed much lower conversion from alkanals to alkanols. Observation of rhodium complexes of the BISBI-type ligands under H2/CO atmosphere revealed that the presence of a stable [RhH(CO)2(ligand)] species seems to be less favorable for the second step, the hydrogenation of aldehydes.Keywords
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