Journal of Organic Chemistry p. 624 - 626 (1988)
Update date:2022-08-11
Topics:
Pri-Bar, Ilan
Buchman, Ouri
Substituted aryl halides were hydroxycarbonylated under 50 psi pressure of carbon monoxide in the presence of various formate salts and a homogeneous palladium catalyst to give aromatic acids in good yields.Selectivity of formate salts in hydroxycarbonylation reactions depends on the metallic counter-ion and the reaction conditions.Calcium formate was found to give the highest selectivity for hydroxycarbonylation.A mechanism consisting of the generation of mixed anhydrides as intermediates is suggested.
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