Mechanistic Insights {into the|in to the} Rhodium-Catalyzed Aryl C–H Carboxylation
The {recently|lately|not too long ago} reported Rh(II)-catalyzed direct C-H bond activation and lactonization of 2-arylphenols uncovers an {attractive|appealing|desirable|eye-catching} {strategy|technique|method|approach|tactic} to prepare coumarin derivatives with {high|higher} site-selectivity. Motivated by the mechanistic…