hydrogen; Wilkinson's catalyst in benzene 8 h; Ambient temperature;

3-chloro-benzenecarboperoxoic acid in dichloromethane 0.5 h; Ambient temperature;

1: 1.) 80percent NaH / 1.) dioxane, 30 min, room temp.; 2.) 3h, room temp. 2: 83 percent / m-ClC6H4COOOH / CH2Cl2 / 15 h / 0 °C 3: 93 percent / H2 / tris(triphenylphosphane)rhodium(I)chloride / benzene / 8 h / Ambient temperature View Scheme

1: 1.) 80percent NaH / 1.) dioxane, 30 min, room temp.; 2.) 3h, room temp. 2: 93 percent / H2 / tris(triphenylphosphane)rhodium(I)chloride / benzene / 8 h / Ambient temperature View Scheme

1: 83 percent / m-ClC6H4COOOH / CH2Cl2 / 15 h / 0 °C 2: 93 percent / H2 / tris(triphenylphosphane)rhodium(I)chloride / benzene / 8 h / Ambient temperature View Scheme