%0 Journal Article %T Nano silica phosphoric acid: as a suitable catalyst for synthesis of trisubstituted imidazoles via sonication condition %J Scientia Iranica %I Sharif University of Technology %Z 1026-3098 %A Bamoniri, A. %A Mirjalili, B.F. %A Nazemian, S. %D 2013 %\ 12/01/2013 %V 20 %N 6 %P 1885-1889 %! Nano silica phosphoric acid: as a suitable catalyst for synthesis of trisubstituted imidazoles via sonication condition %K 2 %K 4 %K 5-tri substituted imidazole %K silica phosphoric acid %K Benzil %K sonication condition %K Heterogeneous catalyst %R %X Nano silica phosphoric acid has been found to be a suitable catalyst for the preparation of 2,4,5-tri-substituted imidazoles via three-component reactions of benzil, aldehydes and ammonium acetate under sonication condition. %U https://scientiairanica.sharif.edu/article_3431_e97901aabede598f5ef3e1064d8462b6.pdf