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ChEBI: 2-sulfanylidene-1,3-dithiole-4,5-dicarboxylic acid dimethyl ester is a heteroarene.

The Journal of Organic Chemistry, 47, p. 4000, 1982 DOI: 10.1021/jo00141a044

Dimethyl 2-thioxo-1,3-dithiole-4,5-dicarboxylate is a sulphur-containing heterocyclic building block. It has been reported to be formed during the reaction of 1,3-dithiolan-2-thiones with dimethyl acetylenedicarboxylate. It is formed as major product during the reaction of ethylene trithiocarbonate with dimethyl acetylenedicarboxylate.