LI, Weilin; BIAN, Wenling; WANG, Lili. Sulfonic-Acid-Functionalized Silica Catalyzed, Facile and Efficient Method for the Synthesis of Aryl-14H-dibenzo[a,i]xanthenes. Asian Journal of Chemistry, [S. l.], v. 25, n. 15, p. 8289–8291, 2013. DOI: 10.14233/ajchem.2013.14719. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/25_16_11. Acesso em: 5 jul. 2024.