Condensation of 6(7)-R-4-methylquinazol-2-ylguanidines with

-amino acids produces 2-hydroxyimidazoles; with anthranilic acid, the corresponding 4-hydroxyquinazolines.
Voronezh State University, Voronezh 394693, Russia. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 7, pp. 934–936, July, 1999.