1: 1.) butyl-lithium / 1.) ether, -70 deg C, 10 min, 2.) ether, -70 deg C, 30 min, RT, 2 h 2: 87 percent / H2 / 10percent Pd-C / aq. ethanol 3: 32 percent Chromat. / 700 °C View Scheme

1: 87 percent / H2 / 10percent Pd-C / aq. ethanol 2: 32 percent Chromat. / 700 °C View Scheme

1: 1.) butyl-lithium / 1.) ether, -70 deg C, 10 min, 2.) ether, -70 deg C, 30 min, RT, 2 h 2: 87 percent / H2 / 10percent Pd-C / aq. ethanol 3: 32 percent Chromat. / 700 °C View Scheme

T=700°C;