Sharif University of Technology Scientia Iranica 1026-3098 22 3 2015 06 01 Nano-magnetite as an Eco-friendly and Magnetically Separable Catalyst for a One-pot Synthesis of Pyrano [2, 3-c]pyrazoles and Bis(4-hydroxycoumarin-3-yl)methane Derivatives  Nano-magnetite as an Eco-friendly and Magnetically Separable Catalyst for a One-pot Synthesis of Pyrano [2, 3-c]pyrazoles and Bis(4-hydroxycoumarin-3-yl)methane Derivatives  911 918 3684 EN M.M. Heravi Department of Chemistry, School of Science, Alzahra University, P.O. Box 1993891176, Vanak, Tehran, Iran N. Ghobadi Department of Chemistry, School of Science, Alzahra University, P.O. Box 1993891176, Vanak, Tehran, Iran Journal Article 2014 11 11 A facile and environmentally benign procedure for the synthesis of pyranopyrazoles and biscoumarin derivatives, using non-toxic and magnetically separable catalyst in water as green solvent, is reported. https://scientiairanica.sharif.edu/article_3684_c90e274d55309db944076afb3ff9c391.pdf