The utilization of isolated Palladium Oxidative Addition Complexes (OACs) has had a significant impact on Pd-catalyzed and Pd-mediated cross-coupling reactions. Despite their importance, widespread utility of OACs has been limited by the instability of their precursor complexes. Herein, we report the use of Cámpora's palladacycle as a new, more stable precursor to Pd OACs. Using this palladacycle, a series of biarylphosphine ligated OACs, including those with pharmaceutical-derived aryl halides and relevance to bioconjugation, were prepared.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9235910PMC
http://dx.doi.org/10.1021/acs.orglett.1c02307DOI Listing

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