SYNTHESIS OF 8<i>Н</i>-PYRAZOLO[5',1':3,4]PYRAZINO[2,1-<i>b</i>]QUINAZOLIN-8-ONES
DOI:
https://doi.org/10.1007/4112Keywords:
anthranilic acids, 4-chloropyrazolo[1, 5-а]pyrazines, pyrazolo[5', 1', 3, 4]pyrazino[2, 1-b]quinazolines, new heterocyclic system, cyclocondensation.Abstract
4-Chloropyrazolo[1,5-а]pyrazines reacted with anthranilic acids forming 8Н-pyrazolo[5',1':3,4]pyrazino[2,1-b]quinazolin-8-ones representing a new heterocyclic system.