| Silica triflate as an efficient reagent for the solvent-free synthesis of coumarins |
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| 作者姓名： | Farhad Shirini Katayoun Marjani Hossein Taherpour Nahzomi Mohammad Ali Zolfigol |
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| 作者单位： | Department of Chemistry College of Science，Guilan University，Rasht 41335，Iran，Faculty of Chemistry，Teacher Training University，Tehran 15614，Iran，Department of Chemistry，College of Science，Guilan University，Rasht 41335，Iran，Faculty of Chemistry，Teacher Training University，Tehran 15614，Iran，Department of Chemistry，College of Science，Bu-Ali Sina University，Hamadan 65174，Iran |
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| 基金项目： | Partial support of this work by the Guilan and Teacher Training Universities Research Councils is acknowledged. E Shirini is thankful to Guilan Science and Technology Park （GSTP） for its continuous support. F. Shirini is also indebted to Dr. M. Mottaghitalab for his sincere assistance. |
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| 摘 要： | Silica triflate,as a new silica-based reagent,can be used for the efficient synthesis of 4-substituted coumarins via a Pechmann reaction under solvent-free reaction conditions.All reactions were performed at 80℃in good to high yields.
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| 关 键 词： | 硅 香豆素 Pechmann反应 苯酚 溶剂自由反应 |
| 收稿时间： | 30 March 2007 |
| 修稿时间： | 2007-03-30 |
Silica triflate as an efficient reagent for the solvent-free synthesis of coumarins |
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| Farhad Shirini Katayoun Marjani Hossein Taherpour Nahzomi Mohammad Ali Zolfigol.Silica triflate as an efficient reagent for the solvent-free synthesis of coumarins[J].Chinese Chemical Letters,2007,18(8):909-911. |
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| Authors: | Farhad Shirini Katayoun Marjani Hossein Taherpour Nahzomi Mohammad Ali Zolfigol |
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| Institution: | 1. Department of Chemistry, College of Science, Guilan University, Rasht 41335, Iran;2. Faculty of Chemistry, Teacher Training University, Tehran 15614, Iran;3. Department of Chemistry, College of Science, Bu-Ali Sina University, Hamadan 65174, Iran |
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| Abstract: | Silica triflate, as a new silica-based reagent, can be used for the efficient synthesis of 4-substituted coumarins via a Pechmann reaction under solvent-free reaction conditions. All reactions were performed at 80 °C in good to high yields. |
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| Keywords: | Silica triflate Coumarins Pechmann reaction Solvent-free reaction conditions Phenols |
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