Hydrogen Sulfide → 2-Bromo-5-chlorothiophene

Beteiligte Stoffe

Reaktionsschritte

By a procedure similar to that described in Example 3, at a temperature of 480° C, from 2-chloro-5-bromothiophene and hydrogen sulphide taken in the molar ratio of 2:1 respectively, di(2-chloro-5-thienyl)sulphide is obtained in the quantity of 17 percent by weight with respect to the starting quantity and 30 percent by weight for the reacted 2-chloro-5-bromothiophene.

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