%0 Journal Article %A Nazarifar, Mohammad Reza %T An efficient synthesis of α,α'-benzylidene bis(4-hydroxycoumarin) derivatives catalyzed by Tl2O3 nanoparticles %J Iranian Journal of Catalysis %V 5 %N 4 %P 351-355 %D 2015 %R %U https://sanad.iau.ir/fa/Article/1012978