| Novel Synthesis of 1,2,3-Triazoles via 1,3-Dipolar Cycloadditions of Alkynes to Azides in Ionic Liquid^＋ |
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| 引用本文： | 钟平,郭圣荣.Novel Synthesis of 1,2,3-Triazoles via 1,3-Dipolar Cycloadditions of Alkynes to Azides in Ionic Liquid^＋[J].中国化学,2004,22(10):1183-1186. |
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| 作者姓名： | 钟平 郭圣荣 |
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| 作者单位： | [1]DepartmentofChemistryWenzhouNormalCollege,Wenzhou,Zhejiang325027,China [2]DepartmentofChemistry,JiangxiNormalUniversity,Nanchang,Jiangxi330027,China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China (No. 20272075) and the National Natural Science Foundation of Zhejiang Province (No. M203001). |
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| 摘 要： | 2-Azido-3,5-dichloropyridine and 2-azido-5-chloro-3-fluoropyridine were given by reaction of sodium azide with 2,3,5-trichloropyridine, 3,5-dichloro-2-fluoropyridine or 5-chloro-2,3-difluoropyridine in ionic liquids. 1,3-Dipolar cycloaddition of 2-azido-3,5-dichloropyridine or 2-azido-5-chloro-3-fluoropyridine to alkynes in ionic liquids afforded the corresponding 1,4,5-trisubstituted 1,2,3]-triazoles in good yields and regioselectivities.
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| 关 键 词： | 合成 1 2 3-三唑 1 3-两极性环加成 炔 叠氮化物 离子液体 三氯吡啶 |
Novel Synthesis of 1,2,3-Triazoles via 1,3-Dipolar Cycloaddi-tions of Alkynes to Azides in Ionic Liquid |
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| ZHONG,Ping GUO,Sheng-Rong.Novel Synthesis of 1,2,3-Triazoles via 1,3-Dipolar Cycloaddi-tions of Alkynes to Azides in Ionic Liquid[J].Chinese Journal of Chemistry,2004,22(10):1183-1186. |
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| Authors: | ZHONG Ping GUO Sheng-Rong |
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| Institution: | ZHONG,Ping GUO,Sheng-Rong,Department of Chemistry,Wenzhou Normal College,Wenzhou,Zhejiang 325027,China Department of Chemistry,Jiangxi Normal University,Nanchang,Jiangxi 330027,China |
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| Abstract: | Azido-3,5-dichloropyridine and 2-azido-5-chloro-3-fluoropyridine were given by reaction of sodium azide with 2,3,5-trichloropyridine, 3,5-dichloro-2-fluoropyridine or 5-chloro-2,3-difluoropyridine in ionic liquids. 1,3-Dipolar cycloaddition of 2-azido-3,5-dichloropyridine or 2-azido-5-chloro-3-fluoropyridine to alkynes in ionic liquids afforded the corresponding 1,4,5-trisubstituted 1,2,3]-triazoles in good yields and regioselectivities. |
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| Keywords: | triazole 1 3-dipolar cycloaddition ionic liquid trichloropyridine |
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