Multi-step reaction with 7 steps
1.1: 23 h / 200 °C / Neat (no solvent)
2.1: sodium hydroxide; water / methanol / 1.5 h / Heating / reflux
2.2: pH 3
3.1: caesium carbonate / N,N-dimethyl-formamide / 1 h / 60 °C
4.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 5 h / 0 - 20 °C
5.1: sodium t-butanolate / tris-(dibenzylideneacetone)dipalladium(0); 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl / toluene / 17 h / 100 °C
6.1: sodium t-butanolate / tris-(dibenzylideneacetone)dipalladium(0); 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl / toluene / 2 h / 100 °C
7.1: hydrogenchloride / 1,4-dioxane; methanol / 0.02 h / Heating / reflux
With
hydrogenchloride; sodium hydroxide; water; caesium carbonate; 3-chloro-benzenecarboperoxoic acid; sodium t-butanolate;
tris-(dibenzylideneacetone)dipalladium(0); 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl;
In
1,4-dioxane; methanol; dichloromethane; N,N-dimethyl-formamide; toluene;