2,3-Bis(ethylsulfonyl)benzo[b]thiophene

The structure of the title compound, diethyl benzo[b]thiophene-2,3-disulfinate, C₁₂H₁₄O₄S₃, is composed of an essentially planar benzothiophene moiety containing two ethylsulfonyl groups which are oriented in opposite directions. The mean values of the important bond distances are: S-Csp³ 1.762 (4), endocyclic S-Csp² 1.725 (1), exocyclic S-Csp² 1.786 (3) and S=O 1.435 (1) Å.

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