Synthesis and biological activity of 1-substituted benzimidazoles and benzotriazoles
作者:R. S. Vartanyan、V. O. Martirosyan、É. V. Vlasenko、A. A. Ovasapyan
DOI:10.1007/bf00773095
日期:1982.8
sodium borohydride gave the substituted o-phenylenediamines (IVa-d). Reaction of the latter with nitrous acid, formamide or formic acid or mesityl oxide [3] or acetic acid gave the corresponding benzotriazoles (Va-d) andbenzimidazoles (Via-d) and (Vlla-d).