%0 Journal Article %T Novel biocompatible core/shell Fe3O4@NFC@Co(ii) as a new catalyst in a multicomponent reaction: an efficient and sustainable methodology and novel reusable material for one-pot synthesis of 4H-pyran and pyranopyrazole in aqueous media %A Pouya Ghamari Kargar %A Ghodsieh Bagherzade %A Eshghi, Hossein %J RSC Advances %@ 2046-2069 %D 2020