Amine bis(phenolate) based, late-transition metal complexes offer a cost-effective, air- and moisture-tolerant alternative to phosphine-based systems as catalysts for cross coupling reactions. A series of amine bis(phenolate) ligands have been isolated and characterized. Complexes formed in situ from Pd(OAc)2 and a range of amine bis(phenolate) ligands prove to have excellent activity for the Suzuki-Miyaura coupling of aryl bromides and phenylboronic acid at very low catalyst loading (0.01mol%). Comparison of isolated Pd complexes with in situ activity will be reported, and overall trends of steric and electronic variants of amine bis(phenolate) ligands summarized.

Synthesis and catalytic assessment of palladium complexes bearing bridging and pendant amine bis(phenolate) ligands

253rd National Meeting (2017)

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