Multi-step reaction with 7 steps
1.1: tetrahydrofuran / 2 h / 20 °C
2.1: potassium hydroxide / methanol / 12 h / Reflux
3.1: potassium carbonate / N,N-dimethyl-formamide / 2 h / 45 °C
4.1: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate / 1,4-dioxane / 12 h / 85 °C / Inert atmosphere
5.1: potassium carbonate; tetrakis(triphenylphosphine) palladium(0) / water; 1,2-dimethoxyethane / 24 h / 85 °C / Inert atmosphere
6.1: potassium carbonate / 5,5-dimethyl-1,3-cyclohexadiene / 1 h / 0 - 20 °C
6.2: Inert atmosphere; Reflux
7.1: potassium hydroxide; water / ethanol / 16 h / Reflux
With
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; tetrakis(triphenylphosphine) palladium(0); water; potassium acetate; potassium carbonate; potassium hydroxide;
In
tetrahydrofuran; 1,4-dioxane; methanol; 1,2-dimethoxyethane; 5,5-dimethyl-1,3-cyclohexadiene; ethanol; water; N,N-dimethyl-formamide;