Multi-step reaction with 5 steps
1.1: sodium hydride / N,N-dimethyl-formamide / 0.5 h / 0 - 20 °C / Inert atmosphere
1.2: 13 h / 20 °C
2.1: N,N,N,N,N,N-hexamethylphosphoric triamide; n-butyllithium / tetrahydrofuran; hexane / 2.08 h / -40 - 0 °C
2.2: 15 h / 0 - 20 °C / Inert atmosphere
3.1: n-butyllithium; N,N,N,N,-tetramethylethylenediamine / tetrahydrofuran; hexane / 2.08 h / -78 - 0 °C
3.2: 15 h / 20 °C
4.1: ammonium cerium (IV) nitrate / acetonitrile / 3.5 h / -7 - 20 °C
5.1: sodium hydrogencarbonate / ethanol / 27 h
With
N,N,N,N,N,N-hexamethylphosphoric triamide; n-butyllithium; ammonium cerium (IV) nitrate; N,N,N,N,-tetramethylethylenediamine; sodium hydride; sodium hydrogencarbonate;
In
tetrahydrofuran; ethanol; hexane; N,N-dimethyl-formamide; acetonitrile;