Fig. 1: CH–π interactions in transition metal catalysis.

a Examples of CH–π interactions proposed computationally to stabilize a transition state in transition metal catalysis. b Selected active ligands for the C–H borylation of arenes. c Efficient C–H borylation of electron-rich arenes enabled by spirobipyridine (SpiroBpy) ligand through CH–π interaction. TM transition metal. pin pinacolato. iPr isopropyl. Et ethyl. EDG electron-donating group. THF tetrahydrofuran.