Scheme 3. Scope of aminocarbonylation toward β-substituted amides. Reaction conditions: alcohols (0.3 mmol, 1.5 equiv.), ArNH₂ HCl (0.2 mmol, 1.0 equiv.), Pd(TFA)₂ (1 mmol%), NIXantphos (1.2 mol%), CO (20 bar), 110 °C, 18 h. [a] TsOH (5 mol%), alcohols (0.4 mmol, 2 equiv.).