| 纳米二氧化硅负载FeCl3作为一种高效多相催化剂用于合成1,2,4-三嗪衍生物（英文） |
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| 引用本文： | Davood Habibi,Somayyeh Vakili. 纳米二氧化硅负载FeCl3作为一种高效多相催化剂用于合成1,2,4-三嗪衍生物（英文）[J]. 催化学报, 2015, 0(4): 620-625. DOI: 10.1016/S1872-2067(15)60829-4 |
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| 作者姓名： | Davood Habibi Somayyeh Vakili |
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| 作者单位： | Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University |
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| 基金项目： | the Bu-Ali Sina University, Hamedan 6517838683 Iran for the financial support of this work |
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| 摘 要： | The one‐pot synthesis of a series of 1,2,4‐triazines from the reactions of semicarbazide or thiosemi‐carbazide with various α,β‐dicarbonyl compounds under reflux conditions in a EtOH‐H2O (9:1) mixture as solvent and catalyzed by nano‐sized silica supported FeCl3 (FeCl3@SiO2) was investigat‐ed. The FeCl3 content of the catalyst was measured by atomic absorption to get the adsorption ca‐pacity. The reactions gave high yields of the product and the catalyst was easily separated and re‐used for successive reaction runs without significant loss of activity.
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| 关 键 词： | Nano-sized silica supported FeCl3 Multicomponent reactions 1,2,4-Triazines α,β-Dicarbonyl compounds Semicarbazide Thiosemicarbazide |
Nano-sized silica supported FeCl3 as an efficient heterogeneous catalyst for the synthesis of 1,2,4-triazine derivatives |
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| Davood Habibi;Somayyeh Vakili;. Nano-sized silica supported FeCl3 as an efficient heterogeneous catalyst for the synthesis of 1,2,4-triazine derivatives[J]. Chinese Journal of Catalysis, 2015, 0(4): 620-625. DOI: 10.1016/S1872-2067(15)60829-4 |
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| Authors: | Davood Habibi Somayyeh Vakili |
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| Affiliation: | Department of 0rganic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, 6517838683, Hamedan, Iran |
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| Abstract: | The one‐pot synthesis of a series of 1,2,4‐triazines from the reactions of semicarbazide or thiosemi‐carbazide with various α,β‐dicarbonyl compounds under reflux conditions in a EtOH‐H2O (9:1) mixture as solvent and catalyzed by nano‐sized silica supported FeCl3 (FeCl3@SiO2) was investigat‐ed. The FeCl3 content of the catalyst was measured by atomic absorption to get the adsorption ca‐pacity. The reactions gave high yields of the product and the catalyst was easily separated and re‐used for successive reaction runs without significant loss of activity. |
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| Keywords: | Nano-sized silica supported FeCl3 Multicomponent reactions 1,2,4-Triazines α,β-Dicarbonyl compounds Semicarbazide Thiosemicarbazide |
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