2,6-dimethylpyridine; silver trifluoromethanesulfonate; triphenylphosphine; palladium dichloride in 1-methyl-pyrrolidin-2-one T=130°C; 16 h; Inert atmosphere;

1.) DMF, 70 deg C, 1 h then r.t.; 2.) DMF, 70 deg C, 1 h; Yield given. Multistep reaction;