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Zirconium triflate: An efficient catalyst for the synthesis of quinolines and quinoxalines |
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| Authors: | Eskandar Kolvari Mohammad Ali Zolfigol Nadiya Koukabi Maryam Gilandust Abdol-Vahid Kordi |
| Institution: | 1. Department of Chemistry, Semnan University, Semnan, Iran 2. Faculty of Chemistry, Bu-Ali Sina University, P.O. Box 4135, Hamedan, Iran 3. Department of Chemistry, Payame Noor University, Hamedan, Iran |
| Abstract: | An environmentally friendly method is described for the preparation of substituted quinoline and quinoxaline derivatives using Zr(OTf)4 as an efficient catalyst. The method is based on using 1,3-diketones, ketones and 2-aminoaryl ketones under solvent-free conditions and also on using 1,2-diketone, 1,2-diamine in EtOH/H2O at room temperature for quinloine and quinoxaline synthesis, respectively. The advantages in using this method, include its environmental friendliness, simple operating process and good yields. |
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