Multi-step reaction with 6 steps
1: 1.) butyllithium, tetramethylenediamine / 1.) THF, hexane, 25 deg C, 20 h, 2.) THF, hexane, -20 deg C
2: 95 percent / Li, liq. NH3, t-butyl alcohol / tetrahydrofuran
3: 80 percent / POCl3 / 70 h / 75 °C
4: 93 percent / K2CO3 / dimethylformamide / 20 h / Ambient temperature
5: 100 percent / tetrahydrofuran / 1.) 0 deg C, 1 h, 2.) RT, 1 h
6: 100 percent / thionyl chloride / CH2Cl2 / 1 h / Ambient temperature
With
n-butyllithium; thionyl chloride; N,N,N,N,-tetramethylethylenediamine; ammonia; lithium; potassium carbonate; tert-butyl alcohol; trichlorophosphate;
In
tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide;