Hossein Yarahmadi - Department of Chemical Engineering, Sirjan University of Technology, Sirjan, Iran
Saman Rezaei - Department of Chemical Engineering, Sirjan University of Technology, Sirjan, Iran

Hydroxyapatite functionalized sulfonic acid (HAP@SO۳H) was synthesized and used as efficient heterogeneous solid acid catalyst for the condensation of aromatic aldehydes with ۲-naphthol and amides via multi-component reactions to synthesis of Amidoalkyl-۲-naphthols under solvent-free conditions.

Hydroxyapatite, Heterogeneous, Amidoalkyl-۲-Naphthol.