1: N-methyl-2-(methylamino)ethylamine; caesium carbonate; copper(l) iodide / dimethyl sulfoxide / 4 h / 110 °C 2: tris-(dibenzylideneacetone)dipalladium(0); N-[2'-(dicyclohexylphosphino)-1,1'-biphenyl-2-yl]-N,N-dimethylamine; sodium t-butanolate / toluene / 110 °C / |Inert atmosphere 3: trifluoroacetic acid / dichloromethane / 2 h View Scheme

N-iodo-succinimide; acetic acid; sodium sulfite T=20 - 80°C; 1 h;