Multi-step reaction with 9 steps
1.1: hydrogenchloride; sodium nitrite / water / 0.5 h / 0 °C
1.2: 4 h / 0 - 50 °C
2.1: diisobutylaluminium hydride / tetrahydrofuran; toluene / 18 h / -78 - 23 °C
2.2: 1 h / 0 - 23 °C
3.1: sodium chlorite; sodium dihydrogenphosphate; 2-methyl-but-2-ene / water; tert-butyl alcohol / 0.5 h / 23 °C
4.1: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.5 h / 0 - 23 °C
4.2: 1 h / 0 - 23 °C
5.1: caesium carbonate; tris-(dibenzylideneacetone)dipalladium(0); 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl / 1-methyl-pyrrolidin-2-one / 16.5 h / 23 - 110 °C / Inert atmosphere
6.1: boron tribromide / dichloromethane / 1.5 h / -78 - 23 °C
6.2: Cooling
7.1: caesium carbonate / dichloromethane; acetonitrile / 16 h / 23 °C
8.1: 2,6-di-tert-butyl-4-methyl-phenol; lithium chloride; tetrakis(triphenylphosphine) palladium(0) / 1,4-dioxane / 16.5 h / 110 °C / Inert atmosphere
9.1: hydrogen; 10 wt% Pd(OH)2 on carbon / ethyl acetate / 2.17 h / Inert atmosphere
With
hydrogenchloride; sodium chlorite; tris-(dibenzylideneacetone)dipalladium(0); sodium dihydrogenphosphate; tetrakis(triphenylphosphine) palladium(0); 2-methyl-but-2-ene; oxalyl dichloride; 2,6-di-tert-butyl-4-methyl-phenol; 10 wt% Pd(OH)2 on carbon; hydrogen; boron tribromide; diisobutylaluminium hydride; caesium carbonate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; N,N-dimethyl-formamide; lithium chloride; sodium nitrite;
In
tetrahydrofuran; 1,4-dioxane; 1-methyl-pyrrolidin-2-one; dichloromethane; water; ethyl acetate; toluene; acetonitrile; tert-butyl alcohol;