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Silica-bonded N-propylsulfamic acid as a recyclable catalyst for the synthesis of 2,3-dihydroquinazolin-4(1H)-ones |
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| Authors: | Khodabakhsh Niknam Nasrolah Jafarpour Ebrahim Niknam |
| Institution: | Department of Chemistry, Islamic Azad University, Gachsaran Branch, Gachsaran, Iran |
| Abstract: | 2,3-Dihydroquinazolin-4(1H)-one derivatives are synthesized via a one-pot, three component reaction of isatoic anhydride and an aromatic aldehyde with ammonium acetate or primary amine catalyzed by silica-bonded N-propylsulfamic acid (SBNPSA) in refluxing ethanol. |
| Keywords: | Silica-bonded N-propylsulfamic acid 2 3-Dihydroquinazolin-4(1H)-ones Isatoic anhydride Aldehydes |
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