Abstract
The reaction of some electrophilic reagents (bromine, acetyl chloride, and acetic anhydride) and of butyllithium on the zinc chelate of 2-mercapto-3-thenylidenecyclohexylamine (IIIa) is examined. Bromination and acetylation of IIIa lead to fission of the chelate ring and the formation of a complex of thienoisothiazolium bromide with ZnBr2 (VIII), and the corresponding dimienodithiocine (X). Butyllithium combines with the C=N double bond of the chelate ring (IIIa), with the formation of the chelate XIII.
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For part XVI, see [16].