sodium hydroxide in ethanol; water Reflux;

1: tris-(dibenzylideneacetone)dipalladium(0); 2,2'-bis-(diphenylphosphino)-1,1'- binaphthyl; sodium t-butanolate / toluene / 70 °C / |Inert atmosphere 2: sodium hydroxide / water; ethanol / |Reflux View Scheme

1: triethylamine / dichloromethane 2: tris-(dibenzylideneacetone)dipalladium(0); 2,2'-bis-(diphenylphosphino)-1,1'- binaphthyl; sodium t-butanolate / toluene / 70 °C / |Inert atmosphere 3: sodium hydroxide / water; ethanol / |Reflux View Scheme