Fig. 1: Asymmetric synthesis of enantioenriched olefins featuring allylic (trifluoro)methyl stereocenters.

a Stereochemically complex biologically important molecules bearing allylic methyl stereocenters. b Strategies for accessing enantioenriched olefins bearing allylic methyl stereocenters. c Known strategies for synthesis of chiral olefins featuring allylic trifluoromethyl stereogenic carbon centers. d Our strategy to enantioenriched a-trifluoromethyl olefins. e This work: Nickel-catalyzed asymmetric reductive coupling to construct allylic trifluoromethyl stereocenters.