Protonation of 1,4-bis(1-vinyl-2-pyrrolyl)benzene |
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| Authors: | M. V. Sigalov E. Yu. Shmidt S. E. Korostova B. A. Trofimov |
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| Affiliation: | (1) Irkutsk Institute of Organic Chemistry, Siberian Branch, Academy of Sciences of the USSR, USSR |
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| Abstract: | In the reaction of 1,4-bis(1-vinyl-2-pyrrolyl)benzene with hydrogen chloride and hydrogen bromide the hydrogen halide adds at the vinyl groups, and  -protonation takes place in both pyrrole rings. In reaction with the superacidic system HSO3F+SbF5 (in SO2ClF) position 5 of one heterocycle and position 4 of the other are protonated with retention of the vinyl groups.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 8, pp. 1041–1045, August, 1991. |
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