BADRI, RASHID; REZA KIASAT, ALI; KESHAVARZ, MOSADEGH. Silica Phosphoric Acid as an Efficient Heterogeneous Catalyst for Protection of Carbonyl Groups Under Solvent Free Conditions. Asian Journal of Chemistry, [S. l.], v. 20, n. 1, p. 543–546, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/19441. Acesso em: 23 jul. 2024.