Modular Phosphine-Aminophosphine Ligands Based on Chiral 1,2,3,4-Tetrahydro-1-naphthylamine Backbone: A New Class of Practical Ligands for Enantioselective Hydrogenations
been achieved in the hydrogenation of most substrates tested, demonstrating the high potential of these newly developed phosphine-aminophosphineligands in asymmetric catalysis. The present research also discloses that these newly developed phosphine-aminophosphineligands are more efficient than that derived from (S)-1-phenylethylamine, suggesting that the increased rigidity conferred by a cyclohexyl