sym-triazines. 7. Hydrolysis and cyclization of 1,3,5-triazine series mononitriles

The routes of base and acid hydrolysis of sym-triazine mononitriles has been studied for aqueous or aqueous-alcohol media. Depending on the pH of the medium, the concentration of reagents, and the temperature it was found that the hydrolysis led to the formation of amides, oxo or alkoxy 1,3,5-triazines, or to an unstable sym-triazine carboxylic acid, the latter leading to formation of substituted sym-triazines. A novel series of tetrazolyltriazines has been prepared by the reaction of the mononitriles with sodium azide and their alkylation has been studied. __________ Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 5, pp. 731–737, May, 2006.