TASQEERUDDIN, S.; I. ASIRI, Yahya; SHAHEEN, S. Zirconium(IV) Oxychloride: A Simple and Efficient Catalyst for the Synthesis of Chromen-2-one Derivatives. Asian Journal of Chemistry, [S. l.], v. 32, n. 10, p. 2611–2616, 2020. DOI: 10.14233/ajchem.2020.22849. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/32_10_34. Acesso em: 3 may. 2024.