Electrochemical oxidation of [1]benzothieno[3,2-b]indole

Abstract
The oxidative behaviour of [1]benzothieno[3,2-b]indole (BTI) in methylene dichloride was investigated by an electrochemical technique. The process associated with the voltammetric wave at +1.04 V (vs. s.c.e.) leads to the protonated form of the BTI dimer. After slow deprotonation of this species the resulting dimer undergoes oxidation to give an oxidized dimer and, after a long electrolysis time, oxidized oligomers.

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