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学科主题: 物理化学
题名: 4-N,N-Dimethylaminopyridine Promoted Selective Oxidation of Methyl Aromatics with Molecular Oxygen
作者: Zhang, Zhan1, 2;  Gao, Jin1;  Wang, Feng1;  Xu, Jie1
通讯作者: 徐杰
关键词: organocatalysis ;  selective oxidation ;  methyl aromatics ;  molecular oxygen ;  4-N,N-dimethylaminopyridine
刊名: MOLECULES
发表日期: 2012-04-01
DOI: 10.3390/molecules17043957
卷: 17, 期:4, 页:3957-3968
收录类别: SCI
文章类型: Article
部门归属: DNL06
项目归属: DNL0601;DNL06T1
产权排名: 1,1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Organic
研究领域[WOS]: Chemistry
英文摘要: 4-N,N-Dimethylaminopyridine (DMAP) as catalyst in combination with benzyl bromide was developed for the selective oxidation of methyl aromatics. DMAP exhibited higher catalytic activity than other pyridine analogues, such as 4-carboxypyridine, 4-cyanopyridine and pyridine. The sp(3) hybrid carbon-hydrogen (C-H) bonds of different methyl aromatics were successfully oxygenated with molecular oxygen. The real catalyst is due to the formation of a pyridine onium salt from the bromide and DMAP. The onium salt was well characterized by NMR and the reaction mechanism was discussed.
关键词[WOS]: CATALYZED AEROBIC OXIDATION ;  N-HYDROXYPHTHALIMIDE ;  ELECTRON-TRANSFER ;  METAL-FREE ;  MILD CONDITIONS ;  HYDROCARBONS ;  EFFICIENT ;  BROMIDE ;  O-2 ;  PHOTOOXIDATION
语种: 英语
WOS记录号: WOS:000303309900027
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/117701
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Zhang, Zhan,Gao, Jin,Wang, Feng,et al. 4-N,N-Dimethylaminopyridine Promoted Selective Oxidation of Methyl Aromatics with Molecular Oxygen[J]. MOLECULES,2012,17(4):3957-3968.
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