Abstract
The first Rh(I)-catalyzed asymmetric approach for the intermolecular functionalization of C(sp3)–H bonds is reported. For the first time, unsymmetrical N-heterocyclic carbenes (NHCs) were used for asymmetric catalysis that is capable of achieving not only high site-selectivity but also enantioselectivity. The Rh(I)/NHC* catalytic systems were applied to asymmetric direct C(sp3)–H arylation, which provides a synthetic route toward enantioenriched triarylmethanes.
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