sulfuric acid ultrasonics;

1: 94 percent / CH3COONa, H2 / 10percent Pd/C / benzene; methanol / 40 °C 2: 85 percent / 10percent ammonium-cer(IV)-nitrate / acetonitrile 3: 92 percent / conc. H2SO4 / ultrasonics View Scheme

1: 85 percent / 10percent ammonium-cer(IV)-nitrate / acetonitrile 2: 92 percent / conc. H2SO4 / ultrasonics View Scheme

Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given;