KAPING, Shunan; HELISSEY, Philippe; VISHWAKARMA, Jai Narain. A three step one-pot regioselective synthesis of highly substituted pyrazolo[1,5-a]pyrimidines assisted by KHSO4 in aqueous media under ultrasound irradiation. European Journal of Chemistry, [S. l.], v. 11, n. 3, p. 179–186, 2020. DOI: 10.5155/eurjchem.11.3.179-186.1977. Disponível em: https://www.eurjchem.com/index.php/eurjchem/article/view/1977. Acesso em: 28 apr. 2024.