%0 Journal Article %A Bamoniri, Abdolhamid, Mirjalili, Bi Bi Fatemeh, Nazemian, Sedigheh %T Nano-Silica phosphoric acid: an efficient catalyst for one-pot synthesis of 3,4-dihydropyrimidin-2(1H)-ones (thiones) under solvent-free or sonication conditions %J Iranian Journal of Catalysis %V 2 %N 1 %P 17-21 %D 2012 %R %U https://sanad.iau.ir/fa/Article/1013640