Hamidreza Molaei - Department of Chemistry, Yazd Branch, Islamic Azad University, P.O. Box ۸۹۱۹۵-۱۵۵, Yazd, Iran
Bahareh Sadeghi - Department of Chemistry, Yazd Branch, Islamic Azad University, P.O. Box ۸۹۱۹۵-۱۵۵, Yazd, Iran
Mohamadhosaine Moslemin - Department of Chemistry, Yazd Branch, Islamic Azad University, P.O. Box ۸۹۱۹۵-۱۵۵, Yazd, Iran

Nanostructured sawdust-BF3 has been prepared and shown to efficiently catalyse the one-pot reaction of 1,3-diketones and hydrazines under solvent-free conditions, to afford the corresponding 2,3,5-substituted-2H-pyrazole derivatives in excellent yields

sawdust-BF3 NPs, 1,3-diketones, hydrazines, 2,3,5-substituted-2H-pyrazoles, solid acids