ChemInform Abstract: Iridium‐Catalyzed Asymmetric Hydrogenation Yielding Chiral Diarylmethines with Weakly Coordinating or Noncoordinating Substituents.

Abstract

Polyphenylalkane derivatives Q 0720Iridium-Catalyzed Asymmetric Hydrogenation Yielding Chiral Diarylmethines with Weakly Coordinating or Noncoordinating Substituents. -Iridium complexes (I)-(III) bearing optically active N,P-chelating ligands catalyze the hydrogenation of trisubstituted diarylolefins with excellent enantioselectivities. -(TOLSTOY, P.; ENGMAN, M.; PAPTCHIKHINE, A.; BERGQUIST, J.; CHURCH, T. L.; LEUNG, A. W.-M.; ANDERSSON*, P. G.; J. Am. Chem. Soc. 131 (2009) 25, 8855-8860; Dep. Biochem. Org. Chem., Uppsala Univ., S-751 23 Uppsala, Swed.; Eng.) -Klein 48-098