| 二氧化硅负载的胂钯(0)配合物作为丙烯酸丁酯和丙烯酰胺芳基化反应高活性和高立体选择性的催化剂 |
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| 引用本文： | 蔡明中,赵红,胡文英. 二氧化硅负载的胂钯(0)配合物作为丙烯酸丁酯和丙烯酰胺芳基化反应高活性和高立体选择性的催化剂[J]. 中国化学, 2005, 23(4): 443-447. DOI: 10.1002/cjoc.200590443 |
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| 作者姓名： | 蔡明中 赵红 胡文英 |
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| 作者单位： | [1]DepartmentofChemistry,JiangxiNormalUniversity,Nanchang,Jiangxi330027,China [2]DepartmentofPharmacy,GuangdongPharmaceuticalCollege,Guangzhou,Guangdong510240,China |
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| 摘 要： | A silica-supported arsine palladium(O) complex has been prepared from y-chloropropyltriethoxysilane via immobilization on fumed silica, followed by reaction with potassium diphenylarsenide and palladium chloride, and then reduction with hydrazine hydrate. The complex has been characterized by X-ray photoelectron spectroscopy (XPS) and it is a highly active and stereoselective catalyst for arylation of butyl acrylate and acrylamide with aryl halides, affording a variety of tram-butyl cinnamates and trans-cinnamamides in high yields.
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| 关 键 词： | 丙烯酰胺 丁基丙烯酸盐 硅石 三氢砷化钯 化合物 化学活性 催化剂 |
| 收稿时间： | 2004-08-05 |
| 修稿时间： | 2004-12-29 |
Silica‐Supported Arsine Palladium(0) Complex: a Highly Active and Stereoselective Catalyst for Arylation of Butyl Acrylate and Acrylamide |
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| Cai Ming‐Zhong,Zhao Hong,Hu Wen‐Ying. Silica‐Supported Arsine Palladium(0) Complex: a Highly Active and Stereoselective Catalyst for Arylation of Butyl Acrylate and Acrylamide[J]. Chinese Journal of Chemistry, 2005, 23(4): 443-447. DOI: 10.1002/cjoc.200590443 |
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| Authors: | Cai Ming‐Zhong Zhao Hong Hu Wen‐Ying |
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| Abstract: | A silica‐supported arsine palladium(0) complex has been prepared from γ‐chloropropyltriethoxysilane via im‐mobilization on fumed silica, followed by reaction with potassium diphenylarsenide and palladium chloride, and then reduction with hydrazine hydrate. The complex has been characterized by X‐ray photoelectron spectroscopy (XPS) and it is a highly active and stereoselective catalyst for arylation of butyl acrylate and acrylamide with aryl halides, affording a variety of trans‐butyl cinnamates and trans‐cinnamamides in high yields. |
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| Keywords: | supported palladium catalyst arsine palladium(0) complex Heck arylation stereoselective synthesis |
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