Multi-step reaction with 6 steps
1: acetic acid / methanol / 16 h / 20 °C
2: sodium methylate / methanol / 16 h / 20 °C
3: N-benzyl-N,N,N-triethylammonium chloride; N,N-diethylaniline; trichlorophosphate / acetonitrile / 15 h / 80 °C
4: bis-triphenylphosphine-palladium(II) chloride; sodium carbonate / water; N,N-dimethyl-formamide / 2 h / 80 °C / Inert atmosphere
5: sulfuric acid / methanol / 2 h / Reflux
6: 2,3,5,6-tetrachlorocyclohexa-2,5-diene-1,4-dione / benzene / 60 h / Reflux
With
bis-triphenylphosphine-palladium(II) chloride; 2,3,5,6-tetrachlorocyclohexa-2,5-diene-1,4-dione; sulfuric acid; N-benzyl-N,N,N-triethylammonium chloride; sodium methylate; sodium carbonate; acetic acid; N,N-diethylaniline; trichlorophosphate;
In
methanol; water; N,N-dimethyl-formamide; acetonitrile; benzene;