4-(N,N-dimethlyamino)pyridine; N,N-dimethyl-aniline in xylene 6 h; Heating;

1: 98.8 percent / H2 / 5percent Pd-C / ethyl acetate / 1 h / Ambient temperature 2: 97.2 percent / N,N-dimethylaniline, 4-dimethylaminopyridine / xylene / 6 h / Heating View Scheme