RAD-MOGHADAM, Kurosh; MONTAZERI, Nasser. Coumarin Synthesis via Pechmann Condensation on Silica-Supported Sulfuric Acid Under Microwave Irradiation. Asian Journal of Chemistry, [S. l.], v. 21, n. 1, p. 499–503, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/18950. Acesso em: 3 oct. 2024.