1: 32 g / NH3, Al(OAc)3 / 6 h / 170 °C 2: 1.) NaNO2, H2SO4, 2.) H2SO4, NaOAc, glacial AcOH / 1.) 10 deg C, 2.) 5 deg C, overnight View Scheme

sulfuric acid; sodium acetate; acetic acid; sodium nitrite 1.) 10 deg C, 2.) 5 deg C, overnight; Yield given. Multistep reaction;