Title Nano-[Fe3O4@SiO2-R-NHMe2][H2PO4] as a Highly Effectual and Magnetically Recyclable Catalyst for the Preparation of bis(6-Amino-1,3-dimethyluracil-5-yl)methanes under Solvent-Free Conditions Type Article Keywords Nanomagnetic catalyst; Nano-[Fe3O4@SiO2-R-NHMe2][H2PO4]; bis(6-Amino-1,3-dimethyluracil-5-yl)methanes; 6-amino-1,3-dimethyluracil; aromatic aldehyde; Solvent-Free Conditions Abstract In this Journal, there is no need to abstract. Researchers Nesa Lotfifar (First researcher) , Abdolkarim Zare (Second researcher) , Ghasem Rezanejade Bardajee (Third researcher)