Ruthenium-Catalyzed Asymmetric Transfer Hydrogenation of 1-Aryl-Substituted Dihydroisoquinolines: Access to Valuable Chiral 1-Aryl-Tetrahydroisoquinoline Scaffolds


  • Z.W. and M.P. are grateful to the Ministère de l’Education Nationale et de la Recherche for financial support (2010–2013).


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Give me an H! Give me another H! The first general and highly enantioselective Ru-catalyzed transfer hydrogenation of a wide range of 1-aryl-substituted 1,2,3,4-dihydroisoquinolines is described. This atom-economic reaction proceeds under mild conditions, allowing rapid access to the corresponding biologically relevant 1-aryl-tetrahydroisoquinoline derivatives, in high yields and enantioselectivities of up to 99 %.