1: 2,6-dimethyl-2-cyclohexen-1-one With lithium diisopropyl amide in tetrahydrofuran; hexane T=-78°C; 0.166667 h; 2: chloro-trimethyl-silane in tetrahydrofuran; hexane T=-78 - 20°C; 0.75 h;

lithium diisopropyl amide 1.) THF, -78 deg C, 1 h; Yield given. Multistep reaction. Yields of byproduct given;

N,N,N',N',N'',N''-hexamethylphosphoric triamide; lithium diisopropyl amide in tetrahydrofuran 4 h; from -78 deg C to room temp.;