Dr. Jérémy Ternel, Dr. Jean-Luc Dubois, Dr. Jean-Luc Couturier, Prof.Dr. Eric Monflier and Prof.Dr. Jean-François Carpentier Rhodium-Catalyzed Homogeneous and Aqueous Biphasic Hydroformylation of the Acrolein Acetal 2-Vinyl-5-Methyl-1,3-Dioxane ChemCatChem 5
Ligands of mass formylation: The acetal VMD derived from acrolein and MPD is hydroformylated with rhodium catalysts under homogeneous conditions with perfect chemoselectivity for the aldehydes. Diphosphine ligands with a narrow bite angle (≈85°), such as dppe, favor the branched aldehyde with selectivities up to 78 %, whereas those with a large bite angle (≈110°), such as xantphos, produce the linear aldehyde with up to 91 % selectivity.
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