1: 78 percent / TiCl4 / benzene / 2 h / Heating 2: N-chlorosuccinimide / CCl4 3: 1.) BH3*Me2S, CH2Cl2, reflux, 16 h, 2.) 2N aqueous sodium hydroxide, r.t., 30 min View Scheme

1: 78 percent / TiCl4 / benzene / 2 h / Heating 2: N-chlorosuccinimide / CCl4 3: 1.) BH3*Me2S, CH2Cl2, reflux, 16 h, 2.) 2N aqueous sodium hydroxide, r.t., 30 min View Scheme

1: N-chlorosuccinimide / CCl4 2: 1.) BH3*Me2S, CH2Cl2, reflux, 16 h, 2.) 2N aqueous sodium hydroxide, r.t., 30 min View Scheme

1.) BH3*Me2S, CH2Cl2, reflux, 16 h, 2.) 2N aqueous sodium hydroxide, r.t., 30 min; Yield given. Multistep reaction;