in tetrahydrofuran; N,N,N',N',N'',N''-hexamethylphosphoric triamide 1.) -60 deg C; 2.) r.t.;

1: 43 percent / tetrahydrofuran; phenylmethanol / 5 h / Heating 2: 1.) lithium diisopropylamide, hexamethylphosphoric triamide / 1.) THF, hexane, 50 deg C, 1 h, 2.) THF, hexane, 45 deg C, 2 h View Scheme

1: 43 percent / tetrahydrofuran; phenylmethanol / 5 h / Heating 2: 1.) lithium diisopropylamide, hexamethylphosphoric triamide / 1.) THF, hexane, 50 deg C, 1 h, 2.) THF, hexane, 45 deg C, 2 h View Scheme

N,N,N',N',N'',N''-hexamethylphosphoric triamide; lithium diisopropyl amide 1.) THF, hexane, 50 deg C, 1 h, 2.) THF, hexane, 45 deg C, 2 h; Yield given. Multistep reaction;

thionyl chloride in benzene 5 h; Ambient temperature;