in pyridine; methanol; benzene

1: 12 g / dimethylaniline / acetonitrile / 3 h / Ambient temperature 2: 6.5 g / H2, HCl / 10percent Pd-C / methanol; propan-2-ol / 760 Torr / Ambient temperature 3: 1.1 g / sulphur / xylene / 8 h / Heating View Scheme

1: 6.5 g / H2, HCl / 10percent Pd-C / methanol; propan-2-ol / 760 Torr / Ambient temperature 2: 1.1 g / sulphur / xylene / 8 h / Heating View Scheme

sulfur in xylene 8 h; Heating;