Multi-step reaction with 6 steps
1: pyridine / 4 h / 20 °C
2: N-iodo-succinimide; acetic acid / N,N-dimethyl-formamide / 0.25 h / 50 °C
3: potassium carbonate / N,N-dimethyl-formamide / 3 h / 50 °C
4: copper(l) iodide; N,N,N,N,N,N-hexamethylphosphoric triamide / N,N-dimethyl-formamide / 5 h / 70 °C / Inert atmosphere
5: sodium hydroxide / tetrahydrofuran; ethanol; water / 1 h / 20 °C
6: N,N-dimethyl-formamide; oxalyl dichloride / tetrahydrofuran / 20 °C
With
pyridine; N,N,N,N,N,N-hexamethylphosphoric triamide; N-iodo-succinimide; copper(l) iodide; oxalyl dichloride; potassium carbonate; acetic acid; N,N-dimethyl-formamide; sodium hydroxide;
In
tetrahydrofuran; ethanol; water; N,N-dimethyl-formamide;