Sulfonic acid-functionalized titanomagnetite nanoparticles as recyclable heterogeneous acid catalyst for one-pot solvent-free synthesis of 3,4-dihydropyrimidin-2(1H) …

D Azarifar, Y Abbasi, O Badalkhani - Journal of the Iranian Chemical …, 2016 - Springer
Sulfonic acid-functionalized titanomagnetite (Fe 3− x Ti x O 4@ SO 3 H) nanoparticles were
prepared by grafting sulfonic acid groups on Fe 3− x Ti x O 4 nanoparticles. This new …