Chemistry of Heterocyclic Compounds p. 1241 - 1253 (1989)
Update date:2022-08-04
Topics:
Pozharskii, A. F.
Nanavyan, I. M.
Kuz'menko, V. V.
Chernyshev, A. I.
Orlov, Yu. V.
Klyuev, N. A.
1-Amino-2-R-benzimidazoles are oxidized by lead tetraacetate to give, depending on the substituent in the 2-position, either to 1,1'-azobenzimidazoles (R=H, CH3, C6H5, Cl, N(CH3)2) or 3-R-benzo-1,2,4-triazines (R=NH2, NHCH3, NHC6H5, OH).The factors affecting the course of the reaction are discussed.The physicochemical properties of the 1,1'-azobenzimidazoles obtained have been examined.
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