A New Class of Modular Phosphinite-Oxazoline Ligands: Ir-Catalyzed Enantioselective Hydrogenation of Alkenes We thank Dr. Martin Studer and Dr. Beno_t Pugin (Solvias AG, Basel) for fruitful discussions, and Prof. Kevin Burgess (Texas A&M University) for preprints of related unpublished work. Financial support by the Swiss National Science Foundation is gratefully acknowledged.