%0 Journal Article %A %T Synthesis and characterization of SbCl5/nano-sawdust as a novel nano catalyst for synthesis of pyrano[2,3-d]pyrimidines %J Iranian Journal of Organic Chemistry %V 12 %N 2 %P 2831-2837 %D 2020 %R %U https://sanad.iau.ir/fa/Article/1003198