Highly Selective and Efficient Catalyst for Carbonylation of Aryl Iodides:
Dimeric Palladium Complex Containing Carbon-Palladium Covalent Bond

Abstract

Dimeric cyclometallated oxime palladium complex containing palladium-carbon covalent bond was found to efficiently catalyze the carbonylation reactions of aryl iodides with various alcohols to give esters in excellent yields with high selectivity. These complexes were also stable under a carbon monoxide atmosphere at high temperatures.

Key words

palladacycle - carbonylation - aryl iodides - turnover numbers - aromatic esters

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