In the present study, a general approach for the synthesis of 1-(1-indol-3-yl)-3,3-dimercaptoprop-2-en-1-one and 5-(1-indol-3-yl)-3-1,2-dithiole-3-thione was performed. They are currently used as efficient precursors for the synthesis of some new compounds bearing five- and/or six-membered heterocyclic moieties, e.g.
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