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学科主题: Chemistry
题名: Microwave-Assisted Synthesis of 2-Substituted-4(3H)-quinazolinones in Bronsted Acidic Ionic Liquids
作者: Li Xinzhong; Lin Qi; Eli Wumanjiang
关键词: Bronsted acid ; ionic liquid ; multi-component reaction ; microwave ; 4(3H)-quinazolinone
刊名: CHINESE JOURNAL OF ORGANIC CHEMISTRY
发表日期: 2010
卷: 30, 期:3, 页:452-455
收录类别: SCI
英文摘要: Two novel Bronsted acidic ionic liquids 1-(4-sulfonic)-benzyl-3-methylimidazolium hydrogen sulfate (3a) and N-(4-sulfonic)-benzyl-pyridium hydrogen sulfate (3b) were synthesized using N-methylimidazole and pyridine as starting materials, which acted as catalyst and reaction medium for the synthesis of 2-substituted-4(3H)-quinazolinones under three-component, one-pot, and microwave irradiation conditions. Under the optimized conditions of n(2-amino-benzoic acid) : n(acylehloride) : n(ammonium acetate) : n(3a or 3b)=1 : 1.2 : 1.5 : 0.1, the reactions completed within 6 min with the yields of 81%similar to 95%. 3a or 3b could be recycled three times without any significant loss in catalytic activity after reduced pressure distillation and drying under vacuum
WOS记录号: WOS:000276472100020
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/2825
Appears in Collections:新疆维吾尔自治区精细化工工程技术研究中心_期刊论文

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2.取代一4(3H).喹唑啉酮在Bronsted酸性功能化离子液体中的微波合成.pdf(325KB)期刊论文作者接受稿开放获取View 联系获取全文

作者单位: Minjiang Univ, Dept Chem & Chem Engn, Fuzhou 350108, Peoples R China;Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China

Recommended Citation:
Li Xinzhong,Lin Qi,Eli Wumanjiang. Microwave-Assisted Synthesis of 2-Substituted-4(3H)-quinazolinones in Bronsted Acidic Ionic Liquids[J]. CHINESE JOURNAL OF ORGANIC CHEMISTRY,2010,30(3):452-455.
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文件名: 2.取代一4(3H).喹唑啉酮在Bronsted酸性功能化离子液体中的微波合成.pdf
格式: Adobe PDF
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