| Polystyrene-supported Palladium(II) Ethylenediamine Complex: A Recyclable Catalyst for the Syntheses of 2-Benzyl- imidazo[2,1-b][1,3]benzothiazoles by Sonogashira Reaction |
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| 引用本文： | BAKHERAD Mohammad,BAHRAMIAN Bahram,NASR-ISFAHANI Hossein,KEIVANLOO Ali,SANG Golnaz. Polystyrene-supported Palladium(II) Ethylenediamine Complex: A Recyclable Catalyst for the Syntheses of 2-Benzyl- imidazo[2,1-b][1,3]benzothiazoles by Sonogashira Reaction[J]. 中国化学, 2009, 27(2): 353-358. DOI: 10.1002/cjoc.200990057 |
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| 作者姓名： | BAKHERAD Mohammad BAHRAMIAN Bahram NASR-ISFAHANI Hossein KEIVANLOO Ali SANG Golnaz |
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| 作者单位： | Department of Chemistry, School of Sciences, Shahrood University of Technology, Shahrood, Iran |
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| 摘 要： | The polymer-supported palladium(II) ethylenediamine complex was used as a catalyst for the heterocyclization during Sonogashira reaction between a substituted phenyl iodide and 2-amino-3-(2-propynyl)-1,3-benzothiazolium bromide, which could readily be recovered from the reaction medium by a simple filtration, and reused without a significant loss in its activity.
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| 关 键 词： | Sonogashira coupling supported catalyst ethylenediamine heterogeneous catalyst aryl iodides imidazobenzothiazole |
| 收稿时间： | 2008-01-06 |
| 修稿时间： | 2008-07-07 |
Polystyrene-supported Palladium(Ⅱ) Ethylenediamine Complex:A Recyclable Catalyst for the Syntheses of 2-Benzyl-imidazo[2,1-b][1,3]benzothiazoles by Sonogashira Reaction |
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| BAKHERAD Mohammad,BAHRAMIAN Bahram,NASR-ISFAHANI Hossein,KEIVANLOO Ali,SANG Golnaz. Polystyrene-supported Palladium(Ⅱ) Ethylenediamine Complex:A Recyclable Catalyst for the Syntheses of 2-Benzyl-imidazo[2,1-b][1,3]benzothiazoles by Sonogashira Reaction[J]. Chinese Journal of Chemistry, 2009, 27(2): 353-358. DOI: 10.1002/cjoc.200990057 |
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| Authors: | BAKHERAD Mohammad BAHRAMIAN Bahram NASR-ISFAHANI Hossein KEIVANLOO Ali SANG Golnaz |
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| Affiliation: | 1. Tel./Fax: 982733335441;2. Department of Chemistry, School of Sciences, Shahrood University of Technology, Shahrood, Iran |
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| Abstract: | The polymer‐supported palladium(II) ethylenediamine complex was used as a catalyst for the heterocyclization during Sonogashira reaction between a substituted phenyl iodide and 2‐amino‐3‐(2‐propynyl)‐1,3‐benzothiazolium bromide, which could readily be recovered from the reaction medium by a simple filtration, and reused without a significant loss in its activity. |
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| Keywords: | Sonogashira coupling supported catalyst ethylenediamine heterogeneous catalyst aryl iodides imidazobenzothiazole |
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