Microwave-Assisted Synthesis of 2-Substituted-4(3H)-quinazolinones in Bronsted Acidic Ionic Liquids
Li Xinzhong; Lin Qi; Eli Wumanjiang
2010
发表期刊CHINESE JOURNAL OF ORGANIC CHEMISTRY
ISSN0253-2786
卷号30期号:3页码:452-455
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
关键词Bronsted Acid Ionic Liquid Multi-component Reaction Microwave 4(3h)-quinazolinone
学科领域Chemistry
收录类别SCI
WOS记录号WOS:000276472100020
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/2825
专题新疆维吾尔自治区精细化工工程技术研究中心
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
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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.
APA Li Xinzhong,Lin Qi,&Eli Wumanjiang.(2010).Microwave-Assisted Synthesis of 2-Substituted-4(3H)-quinazolinones in Bronsted Acidic Ionic Liquids.CHINESE JOURNAL OF ORGANIC CHEMISTRY,30(3),452-455.
MLA Li Xinzhong,et al."Microwave-Assisted Synthesis of 2-Substituted-4(3H)-quinazolinones in Bronsted Acidic Ionic Liquids".CHINESE JOURNAL OF ORGANIC CHEMISTRY 30.3(2010):452-455.
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