| Fe_3O_4纳米粒子作为高效、可重复使用催化剂用于无溶剂条件下合成9,9-二甲基-9,10-二氢-8H-苯并[α]占吨11(12H)-酮（英文） |
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| 引用本文： | Davood Habibi,Sharif Kaamyabi,Hasan Hazarkhani. Fe_3O_4纳米粒子作为高效、可重复使用催化剂用于无溶剂条件下合成9,9-二甲基-9,10-二氢-8H-苯并[α]占吨11(12H)-酮（英文）[J]. 催化学报, 2015, 0(3): 362-366. DOI: 10.1016/S1872-2067(14)60238-2 |
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| 作者姓名： | Davood Habibi Sharif Kaamyabi Hasan Hazarkhani |
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| 作者单位： | Department of Organic Chemistry,Faculty of Chemistry,Bu‐Ali Sina University,Hamedan 6517838683,Iran;Department of Educational Chemistry,Research and Planning Organization,Tehran,Iran |
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| 基金项目： | supported by the Bu‐Ali Sina University,Hamedan 6517838683,Iran |
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| 摘 要： | A simple and efficient method for the synthesis of 9,9‐dimethyl‐9,10‐dihydro‐8H‐benzo‐[α]xanthen‐11(12)‐one derivatives (DDBXs) was developed by the condensation reaction of various substituted aryl aldehydes with 2‐naphthol and dimedone using Fe3O4 magnetic nanoparticles (MNPs) as a heterogeneous catalyst under solvent‐free conditions at 90–110 °C.The experimental procedure is very simple,the products are formed in high yields and the catalyst is easily separated by applying an external magnetic field.
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| 关 键 词： | Fe3O4 magnetic nano-particles Three-component condensation 2-Naphthol Dimedone Xanthene |
Fe3O4 nanoparticles as an efficient and reusable catalyst for the solvent-free synthesis of 9,9-dimethyl-9,10-dihydro-8H-benzo-[a]xanthen-11(12H)-ones |
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| Affiliation: | 1. Department of 0rganic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, Hamedan 6517838683, Iran;2. Department of Educational Chemistry, Research and Planning 0rganization, Tehran, Iran |
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| Abstract: | A simple and efficient method for the synthesis of 9,9‐dimethyl‐9,10‐dihydro‐8H‐benzo‐[α]xanthen‐11(12)‐one derivatives (DDBXs) was developed by the condensation reaction of various substituted aryl aldehydes with 2‐naphthol and dimedone using Fe3O4 magnetic nanoparticles (MNPs) as a heterogeneous catalyst under solvent‐free conditions at 90–110 oC. The experimental procedure is very simple, the products are formed in high yields and the catalyst is easily separated by applying an external magnetic field. |
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| Keywords: | Fe3O4 magnetic nano-particles Three-component condensation 2-Naphthol Dimedone Xanthene |
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