| Ionic iron（III） complex of aryloxo-linked bis（imidazolium） cations： efficient and recyclable catalyst for aryl Grignard cross-coupling of alkyl chlorides |
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| 作者姓名： | Qingling Zhang Zhuang Li Hongmei Sun Qi Shen |
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| 作者单位： | Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China |
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| 基金项目： | supported by the National NaturalScience Foundation of China(21172164);the Key Laboratory of Organic Chemistry of Jiangsu Province,the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD);the Project of Scientific and Technologic Infrastructure of Suzhou(SZS201207) |
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| 摘 要： | A novel phenol-linked bis（imidazolium） salt, H3LCl2 （L = O-4-C（CH3）3-C6H2-2,6-diCH2{C（NCHCH- NAr）}]2, Ar = 2,6-diisopropylphenyl, 1）, was designed and used to prepare an ionic iron（III） complex H2L]FeCl4] （2）. Complex 2 was a highly efficient catalyst for aryl Grignard cross-coupling of alkyl chlorides bearing β-hydrogens. Furthermore, complex 2 was reusable and could be reused in at least eight times without significant loss in catalytic activity.
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| 关 键 词： | 高效催化剂 交叉偶联 铁(Ⅲ) 阳离子 烷基氯 咪唑 基格 络合物 |
Ionic iron(III) complex of aryloxo-linked bis(imidazolium) cations: efficient and recyclable catalyst for aryl Grignard cross-coupling of alkyl chlorides |
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| Qingling Zhang Zhuang Li Hongmei Sun Qi Shen.Ionic iron(III) complex of aryloxo-linked bis(imidazolium) cations: efficient and recyclable catalyst for aryl Grignard cross-coupling of alkyl chlorides[J].Chinese Science Bulletin,2014,59(34):4728-4734. |
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| Authors: | Qingling Zhang Zhuang Li Hongmei Sun Qi Shen |
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| Institution: | 1. Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
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| Abstract: | A novel phenol-linked bis(imidazolium) salt, H3LCl2 (L = O-4-C(CH3)3-C6H2-2,6-diCH2{C(NCHCHNAr)}]2, Ar = 2,6-diisopropylphenyl, 1), was designed and used to prepare an ionic iron(III) complex H2L]FeCl4] (2). Complex 2 was a highly efficient catalyst for aryl Grignard cross-coupling of alkyl chlorides bearing β-hydrogens. Furthermore, complex 2 was reusable and could be reused in at least eight times without significant loss in catalytic activity. |
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| Keywords: | Iron(III) complex Phenol-linked bis(imidazolium) salts Cross-coupling Aryl Grignard reagent Alkyl chloride |
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