Halogenation of Substituted Benzimidazoles. Nitration of the Resulting Halobenzimidazoles
作者:Abdellatif El Kihel、Mohamed Benchidmi、El Mokhtar Essassi、Renée Danion-Bougot
DOI:10.1080/00397919908085780
日期:1999.2
Abstract Halogenation of 2-alkyl-5(6)-chloro(ormethyl)benzimidazoles occurs in 6(5) position and subsequent nitration affords the corresponding 7(4)-nitrobenzimidazoles.