Fig. 1: Reported asymmetric hydrogenation of olefins and limitations.
From: Iridium-catalyzed enantioconvergent hydrogenation of trisubstituted olefins

a Enantiodivergent hydrogenation. b Enantioconvergent hydrogenation. BINAP, 2,2′-bis(diphenylphosphino)−1,1′-binaphthalene.