SYNTHESIS OF NEW PYRAZOLO[1,5-A]-S-TRIAZINE, PYRAZOLO[5,1-C]-AS-TRIAZINES, PYRAZOLO[1',5' 1,2]IMIDAZO[4,5-B]QUINOXALINE, AND PYRAZOLO[1,5-A]PYRIMIDINES/
Ma. Zahran et al., SYNTHESIS OF NEW PYRAZOLO[1,5-A]-S-TRIAZINE, PYRAZOLO[5,1-C]-AS-TRIAZINES, PYRAZOLO[1',5' 1,2]IMIDAZO[4,5-B]QUINOXALINE, AND PYRAZOLO[1,5-A]PYRIMIDINES/, Croatica chemica acta, 70(4), 1997, pp. 1039-1045
Novel pyrazolo[1,5-a]-s-triazine, pyrazolo[1,5-c]-as-triazine, pyrazol
o[1',5':1,2]imidazo[4,5-b]quinoxaline and pyrazolo[1,5-a]pyrimidines h
ave been prepared using 5-aminopyrazoles as starting materials.