N,N,N',N',N'',N''-hexamethylphosphoric triamide; lithium diisopropyl amide T=-78°C;

N,N,N',N',N'',N''-hexamethylphosphoric triamide; lithium diisopropyl amide in tetrahydrofuran T=0°C; 4 h; other LDA-conc.; other temp; further 1,3-dithiolan-1,1-dioxide; Product distribution;

N,N,N',N',N'',N''-hexamethylphosphoric triamide; lithium diisopropyl amide in tetrahydrofuran T=0°C; 4 h; other LDA-conc.; other temp; further 1,3-dithiolan-1,1-dioxide; Product distribution;