Abstract
An efficient route for the catalytic synthesis of aryl amides via the aminocarbonylation of aryl iodides with amines is described using palladium supported on triphenylphosphine-functionalized porous organic polymer (Pd@KAPs(Ph-PPh3)) as the catalyst. Under low carbon monoxide pressure, the catalyst exhibited remarkable activity, and only 0.5 mol% palladium loading was required to achieve moderate to excellent yields (70–97 %) of aryl amides. The catalyst can be easily separated by a simple filtration process and recycled up to seven times with only minor loss of activity. The salient features of this protocol are the simplicity in handling of catalyst, low CO pressure, good functional group tolerance, high catalytic activity, negligible palladium leaching and effective catalyst recyclability.
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