N,N,N',N',N'',N''-hexamethylphosphoric triamide; copper(l) iodide; 1-chloro-2-methyl-N,N-tetramethylenepropenylamine in tetrahydrofuran; dichloromethane T=-30 - 0°C; 0.75 h; Yield given. Yields of byproduct given;

N,N,N',N',N'',N''-hexamethylphosphoric triamide; copper(l) iodide; 1-chloro-2-methyl-N,N-tetramethylenepropenylamine in tetrahydrofuran; dichloromethane T=-30 - 0°C; 0.75 h; Yield given. Yields of byproduct given;