Multi-step reaction with 8 steps
1.1: triethylamine / ethanol / 80 h / Reflux
2.1: potassium carbonate / tetrakis(triphenylphosphine) palladium(0) / toluene / Inert atmosphere; Reflux
3.1: sodium carbonate / bis-triphenylphosphine-palladium(II) chloride / 1,4-dioxane; water / Inert atmosphere; Reflux
4.1: hydrogenchloride / water / 4 h / 40 °C
4.2: pH 8
5.1: chloroformic acid ethyl ester; 4-methyl-morpholine / dichloromethane / 1 h / 0 °C
5.2: 20 °C
6.1: water; lithium hydroxide monohydrate / tetrahydrofuran / 3 h / 20 °C
7.1: chloroformic acid ethyl ester; triethylamine / dichloromethane / 1 h / 0 °C
7.2: 20 °C
8.1: 1,3,5-trichloro-2,4,6-triazine / N,N-dimethyl-formamide / 4 h / 20 °C
With
4-methyl-morpholine; hydrogenchloride; 1,3,5-trichloro-2,4,6-triazine; lithium hydroxide monohydrate; water; chloroformic acid ethyl ester; sodium carbonate; potassium carbonate; triethylamine;
bis-triphenylphosphine-palladium(II) chloride; tetrakis(triphenylphosphine) palladium(0);
In
tetrahydrofuran; 1,4-dioxane; ethanol; dichloromethane; water; N,N-dimethyl-formamide; toluene;