potassium carbonate in dimethyl sulfoxide T=20°C; 24 h; Inert atmosphere;

1: p-methoxyphenyl mercaptan With potassium carbonate in N,N-dimethyl-formamide T=20°C; 0.5 h; 2: 3,6-bis(phenylthio)phthalonitrile in N,N-dimethyl-formamide T=20°C; 72 h;

1: pyridine / dichloromethane / 24 h / -78 - 20 °C 2: potassium carbonate / dimethyl sulfoxide / 24 h / 20 °C View Scheme