Multi-step reaction with 9 steps
1.1: triethylamine / bis-triphenylphosphine-palladium(II) chloride / N,N-dimethyl-formamide / 2 h / 80 °C
2.1: methanol; potassium carbonate / 1 h / 20 °C
3.1: methanol; sodium tetrahydroborate / 0.25 h / 0 - 20 °C
4.1: dmap; triethylamine / dichloromethane / 1 h / 20 °C
5.1: triethylamine / ethyl acetate / 18 h / 20 °C
6.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 1 h / 0 - 20 °C
7.1: carbon tetrabromide; triphenylphosphine / dichloromethane / 0.08 h / 0 °C
8.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 18 h / 20 °C
9.1: sodium hydroxide; water / 1,4-dioxane / 0.5 h / 0 - 20 °C
9.2: Heating / reflux
With
methanol; dmap; sodium hydroxide; sodium tetrahydroborate; carbon tetrabromide; tetrabutyl ammonium fluoride; water; potassium carbonate; triethylamine; N-ethyl-N,N-diisopropylamine; triphenylphosphine;
bis-triphenylphosphine-palladium(II) chloride;
In
tetrahydrofuran; 1,4-dioxane; dichloromethane; ethyl acetate; N,N-dimethyl-formamide;