Multi-step reaction with 4 steps
1: N-ethyl-N,N-diisopropylamine / 1-methyl-pyrrolidin-2-one / 24 h / 120 °C / Sealed tube
2: tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; XPhos / 1,4-dioxane / 18 h / 100 °C / Inert atmosphere
3: potassium hydroxide / ethanol; water / 2 h
4: 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine / methanol; ethyl acetate; N,N-dimethyl-formamide / 2 h / 0 - 20 °C
With
tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine; potassium hydroxide; XPhos;
In
1,4-dioxane; 1-methyl-pyrrolidin-2-one; methanol; ethanol; water; ethyl acetate; N,N-dimethyl-formamide;