1: With sodium hydrogensulfide; sulfur in N,N-dimethyl-formamide T=80 - 90°C; 2: With copper in toluene Heating; 3: With hydrogenchloride; zinc in ethanol; toluene 24 h; Further stages.;

disodium tetrasulfide; ethanol Behandeln des Reaktionsprodukts mit Natrium und fluessigem Ammoniak;

1,4-dithio-DL-threitol in methanol-d4; water-d2 T=25°C; phosphate buffer(0.5 mM, pH7.0); Equilibrium constant;

sodium hydroxide