Bulletin of the Academy of Sciences of the USSR Division of Chemical Science p. 1716 - 1720 (1990)
Update date:2022-08-02
Topics:
Kuznetsov, Yu. V.
Stolyarova, L. G.
Lezina, V. P.
Smirnov, L. D.
A series of new 4-sulfo-5(6)-hydroxybenzimidazoles was obtained including mono-, di-, and trinitro derivatives of 2-phenyl- and 2-benzyl-5-hydroxybenzimidazoles.Aromatic groups at C2, in contrast to alkyl groups, enhance the reactivity of the benzimidazole system in electrophilic substitution.
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