| 低价钛试剂促进下2-(2-硝基苯基)咪唑与席夫碱的反应 |
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| 引用本文： | 窦国兰,仲晓星,王德明,史达清. 低价钛试剂促进下2-(2-硝基苯基)咪唑与席夫碱的反应[J]. 有机化学, 2011, 31(11) |
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| 作者姓名： | 窦国兰 仲晓星 王德明 史达清 |
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| 作者单位： | 1. 中国矿业大学安全工程学院 徐州221116
2. 苏州大学材料与化学化工学部 苏州215123 |
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| 基金项目： | 中央高校基本科研业务费专项资金 |
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| 摘 要： | 在低价钛试剂作用下,以四氢呋喃为溶剂,研究了2-(2-硝基苯基)咪唑与席夫碱的分子间还原偶联反应.结果发现席夫碱中C-N键的断裂优于其与硝基的偶联成环,生成了5,6-二氢化咪唑并[1,2-c]喹唑啉.
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| 关 键 词： | 低价钛试剂 2-(2-硝基苯基)咪唑 席夫碱 |
A Novel Reaction of 2-(2-Nitrophenyl)imidazole with Schiff Base Promoted by Low-Valent Titanium Reagent |
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| Dou, Guolan,Zhong, Xiaoxing,Wang, Deming,Shi, Daqing. A Novel Reaction of 2-(2-Nitrophenyl)imidazole with Schiff Base Promoted by Low-Valent Titanium Reagent[J]. Chinese Journal of Organic Chemistry, 2011, 31(11) |
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| Authors: | Dou Guolan Zhong Xiaoxing Wang Deming Shi Daqing |
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| Affiliation: | Dou,Guolana Zhong,Xiaoxinga Wang,Deming a Shi,Daqingb(a School of Safety Engineering,China University of Mining and Technology,Xuzhou 221116)(b Key Laboratory of Organic Synthesis of Jiangsu Province,College of Chemistry,Chemical Engineering and Materials Science,Soochow University,Suzhou 215123) |
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| Abstract: | The intermolecular reductive cyclodimerizations of 2-(2-nitrophenyl)imidazoles with Schiff bases induced by low-valent titanium reagent in anhydrous THF were studied.The cleavage of C=N bond is superior to coupling of 2-(2-nitrophenyl)imidazoles with Schiff base.Thus,5,6-dihydroimidazo-quinazolines were obtained in good yields. |
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| Keywords: | low-valent titanium 2-(2-nitrophenyl)imidazole Schiff base |
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