1: copper-bronze / methylcyclohexane 2: aq. NaOH / methanol View Scheme

1: Rh2(OAc)4 / CH2Cl2 / 0.5 h / Ambient temperature 2: 2 N HCl / CH2Cl2 / 1 h 3: 88 percent / 2percent methanolic NaOH / 1 h / Ambient temperature 4: BBr3 / CH2Cl2 / -78 - 20 °C 5: acetic acid / 0.75 h / Heating 6: 0.5 M K2CO3 / ethanol / 3 h / Ambient temperature View Scheme

1: HCl / diethyl ether / 0.5 h / 0 °C 2: 1.2 g / aq. ethanol / 8 h / Heating 3: 6 N HCl / methanol / 5 h / 40 - 50 °C View Scheme

1: 71 percent / copper bronze / 0.5 h / 80 °C 2: 32 percent / polyphosphoric acid / acetone; H2O / 70 h / Heating View Scheme

aluminium trichloride in neat (no solvent) T=25°C;

hydrogenchloride in diethyl ether T=0°C; 0.5 h;

1: benzene; copper (II)-oxide 2: platinum; ethanol / Hydrogenation 3: acetic acid; concentrated aqueous hydrochloric acid View Scheme