Hydroformylation of norbornene and 2,5-Norbornadiene (cas 121-46-0) catalysed by platinum(0)-alkene complexes in the presence of methanesulfonic acid: determination of the stereochemistry of the reaction
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Add time:09/09/2019 Source:sciencedirect.com
The hydroformylation of norbornene catalysed by [Pt(C2H4)(dppb)]/CH3SO3H (dppb = 1,4-bis(diphenylphosphino)butane) occurs under standard oxo conditions giving the exo-norbornanecarboxaldehyde exclusively. The deuteroformylation of this olefin shows that the addition of H and CHO groups is cis. As for the chemoselectivity of the monohydroformylation of 2,5-Norbornadiene (cas 121-46-0), the catalytic system affords better results than the more common catalytic precursors of rhodium and platinum/tin complexes; the regioselectivity towards the exo-aldehyde is lower.
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