caesium carbonate in N,N-dimethyl-formamide T=45 - 50°C;

potassium carbonate in N,N-dimethyl-formamide T=150°C;

1: thioacetimidic acid 3-acetimidoylsulfanyl-propyl ester; compound with GENERIC INORGANIC NEUTRAL COMPONENT With sodium hydroxide; tetrabutylammomium bromide in benzene T=60 - 65°C; 1 h; 2: ethylene dibromide in benzene T=60 - 65°C; 1 h;

ethanol; sodium ethanolate anschliessendes Erwaermen mit 1,3-Dibrom-propan;

in CD3NO2 at room temp.; detected by NMR;