Abstract
Efficient palladium catalyst systems based on the combination of bench stable biaryl phosphacycles and Pd(OAc)2 are described for Suzuki-Miyaura cross-coupling reactions of aryl bromides and chlorides. Notably, the electronically and sterically diametric biaryl phosphacycles allowed facile coupling of sterically hindered and heterocyclic substrates.
Graphical Abstract
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Acknowledgments
We are thankful for financial support from Research Centre for Synthesis and Catalysis (UJ) and Sasol. The authors also thank Sasol for providing secondary phosphines phobane-H and Cg-H.