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3,4,5,6-Tetrachloro-1,2-benzenedithiol synthesis

1synthesis methods
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Yield:13801-50-8 45%

Reaction Conditions:

Stage #1: hexachlorobenzenewith sodium hydrogen sulfide;iron;sulfur in N,N-dimethyl-formamide at 140; for 8 h;Inert atmosphere;
Stage #2: with zinc(II) oxide;sodium hydroxide in methanol;water; for 1 h;Inert atmosphere;Reflux;

References:

Eady, Shawn C.;MacInnes, Molly M.;Lehnert, Nicolai [Inorganic Chemistry,2017,vol. 56,# 19,p. 11654 - 11667]