1: 4-(N,N-dimethlyamino)pyridine / dichloromethane / 0.5 h / 20 °C 2: tetrakis(triphenylphosphine) palladium(0); triethylamine / 1,4-dioxane / 3 h / 80 °C / Inert atmosphere View Scheme

4-(N,N-dimethlyamino)pyridine in dichloromethane T=20°C; Acylation; 0.5 h;