Multi-step reaction with 4 steps
1.1: caesium carbonate / N,N-dimethyl-formamide / 3 h / 20 °C
2.1: isopropylmagnesium chloride / tetrahydrofuran / 0.5 h / 0 °C
2.2: 18 h / 0 - 20 °C
3.1: ammonium hydroxide; copper(ll) sulfate pentahydrate / 16 h / 140 °C / Sealed tube
4.1: N-ethyl-N,N-diisopropylamine; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide / tetrahydrofuran / 16 h / 25 °C
With
ammonium hydroxide; copper(ll) sulfate pentahydrate; isopropylmagnesium chloride; caesium carbonate; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine;
In
tetrahydrofuran; N,N-dimethyl-formamide;