10 Pd/C; hydrogen in ethyl acetate T=20°C; 4 h; Schlenk techniqueInert atmosphere;

1.1: sodium iodide / acetone / 60 °C / |Schlenk technique; |Inert atmosphere 2.1: zinc; copper / N,N-dimethyl acetamide; toluene / 20 - 80 °C / |Schlenk technique; |Inert atmosphere 2.2: 4 h / |Schlenk technique; |Inert atmosphere 3.1: 10 Pd/C; hydrogen / ethyl acetate / 4 h / 20 °C / |Schlenk technique; |Inert atmosphere View Scheme

1.1: zinc; copper / N,N-dimethyl acetamide; toluene / 20 - 80 °C / |Schlenk technique; |Inert atmosphere 1.2: 4 h / |Schlenk technique; |Inert atmosphere 2.1: 10 Pd/C; hydrogen / ethyl acetate / 4 h / 20 °C / |Schlenk technique; |Inert atmosphere View Scheme

2: H2SO4 / benzene View Scheme

sulfuric acid in benzene

sulfuric acid