Abstract
In this work, we propose a new and fast strategy giving the pyrazolo[1,5-a]pyrimidines substituted at positions 5 and 7 via condensation of 3-amino-5-arylpyrazoles with 2-hydroxy-6-methylpyran-2-one in both conventional heating and microwave irradiation.
Cuvinte cheie
pyrazolo[1
5-a]pyrimidines
3-amino-5-arylpyrazoles
pyrones
microwave irradiation