Scheme 2. Initial Evaluation of Directing Groups for β-C(sp3)–H Silylation.
a[Ir(cod)OMe]2 (1.0 mol %), Et2SiH2 (4.0 equiv), THF (0.5 M), rt or 50°C, 24 h, N2. b[Rh(coe)2Cl]2 (2.0 mol %), DTBM-SEGPHOS (6.0 mol %), nbe (1.5 equiv), THF (0.1 M), 100 °C, 16 h, N2. c[Ir(cod)OMe]2 (2.0 mol %), Me4Phen (6.0 mol %), nbe (1.5 equiv), THF (0.1 M), 100 °C, 16 h, N2.
