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Aluminum Triflate as a Highly Active and Efficient Nonprotic Cocatalyst in the Palladium-Catalyzed Methoxycarbonylation Reaction


  • The authors gratefully acknowledge funding from the University of Johannesburg, Sasol Ltd, THRIP, and the NRF.


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Lewis does it better: Aluminum triflate readily replaces Brønsted acid cocatalysts in the palladium-catalyzed methoxycarbonylation reaction of styrene and 1-pentene, producing catalysts that are stable and more active than those using traditional acids. Catalyst loadings of 0.02 % allow conversions of up to 100 % to be achieved within three hours with no loss of linear/branched ester selectivity.