Abstract
Hydroboration of Wang-supported pent-4-enoic acid 1, followed by transmetallation with Et2Zn, gives a solid-supported zinc reagent, 2, which undergoes palladium-catalysed coupling with aryl iodides, to give the corresponding 5-arylpentanoic acids 3 in moderate to good yields, after cleavage from the resin using TFA.
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