Abstract: | The reaction of 2-cyclopropylthiophene with mercuric acetate in methanol takes place only in the thiophene ring. 5-Methyl-2-cyclopropylthiophene undergoes mercuration in both the heterocyclic ring and in the three-carbon ring (the Levina reaction).Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, pp. 175–179, February, 1984. |