benzoyl chloride; silver nitrate in acetonitrile T=0°C; 0.75 h;

1: pyridine; acetic anhydride / 20 °C / Inert atmosphere 2: Rh2(esp)2 / toluene / 16 h / 75 °C / Inert atmosphere; Molecular sieve; Sealed tube View Scheme

1: sodium azide / N,N,N',N',N'',N''-hexamethylphosphoric triamide / 0 - 20 °C / Inert atmosphere 2: potassium hydroxide / ethanol / 1 h / Inert atmosphere; Cooling with ice 3: pyridine; acetic anhydride / 20 °C / Inert atmosphere 4: Rh2(esp)2 / toluene / 16 h / 75 °C / Inert atmosphere; Molecular sieve; Sealed tube View Scheme

1: potassium hydroxide / ethanol / 1 h / Inert atmosphere; Cooling with ice 2: pyridine; acetic anhydride / 20 °C / Inert atmosphere 3: Rh2(esp)2 / toluene / 16 h / 75 °C / Inert atmosphere; Molecular sieve; Sealed tube View Scheme

hydrogen; palladium on activated charcoal in ethanol P=2585.81 Torr; 3 h;