Multi-step reaction with 7 steps
1.1: 2,2'-azobis(isobutyronitrile); N-Bromosuccinimide / tetrachloromethane / 14 h / 80 °C / Inert atmosphere
2.1: N,N-dimethyl-formamide / 14 h / 20 °C / Inert atmosphere
3.1: caesium carbonate; N,N-dimethylethylenediamine / 1,4-dioxane / 0.5 h / Inert atmosphere; Reflux
3.2: 14 h / 105 °C
4.1: potassium acetate / 1,4-dioxane / 0.5 h / Reflux; Inert atmosphere
4.2: 14 h / 105 °C
5.1: sodium carbonate / 1,4-dioxane; water / 0.25 h / Inert atmosphere
5.2: 5 h / 100 °C
6.1: tetrahydrofuran / 1 h / 20 °C / Inert atmosphere
7.1: caesium carbonate / 1,4-dioxane / 0.33 h / Reflux; Inert atmosphere
7.2: 5 h / Reflux
With
N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile); potassium acetate; sodium carbonate; caesium carbonate; N,N-dimethylethylenediamine;
In
tetrahydrofuran; 1,4-dioxane; tetrachloromethane; water; N,N-dimethyl-formamide;