Ester-day once more: Palladium-catalyzed carbonylation of aryl and heteroaryl bromides with phenols proceeds smoothly in the presence of di-1-adamantyl-n-butylphosphine (cataCXium® A). Twenty different aryl esters with a wide variety of substituents, are obtained in good to excellent yields under mild reaction conditions (0.1–0.2 MPa CO, 1 mol % Pd(OAc)2).
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Wu et al. (2010) studied this question.
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