(untitled) - Seehafer, K; Malakar, C C; Bender, M; Qu, J; Liang, C; Helmchen, G (Eur. J. Org. Chem., 2016)
Replacing [Ir(COD)Cl]2 with [Ir(dbcot)Cl]2 improves the regio- and enantioseletivity slightly, see: