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题名: TEMPO/HCl/NaNO2 catalyst: A transition-metal-free approach to efficient aerobic oxidation of alcohols to aldehydes and ketones under mild conditions
作者: Wang, Xinliang1;  Liu, Renhua2;  Jin, Yu1;  Liang, Xinmiao1, 2
通讯作者: 梁鑫淼
关键词: green chemistry ;  homogeneous catalysis ;  mechanistic studies ;  oxidation ;  TEMPO
刊名: CHEMISTRY-A EUROPEAN JOURNAL
发表日期: 2008
DOI: 10.1002/chem.200701818
卷: 14, 期:9, 页:2679-2685
收录类别: SCI ;  CCR
文章类型: Review
部门归属: 18
项目归属: 1803
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: Hydrochloric acid, a very inexpensive and readily available inorganic acid, has been found to cooperate exquisitely with NaNO2/TEMPO in catalyzing the molecular-oxygen-driven oxidation of a broad range of alcohol substrates to the corresponding aldehydes and ketones. This transitionmetal-free catalytic oxidative conversion is novel and represents an interesting alternative route to the corresponding carbonyl compounds to the metal-catalyzed aerobic oxidation of alcohols. The reaction is highly selective with respect to the desired product when carried out at room temperature in air at atmospheric pressure. Notably, the use of very inexpensive NaNO2 and HCl in combination with TEMPO for this highly selective aerobic oxidation of alcohols in air at ambient temperature makes the reaction operationally and economically very attractive. ne results of mechanistic studies, performed with the aid of electrospray ionization mass spectrometry (ESI-MS), are presented and discussed. TEMPO, TEMPOH, and TEMPO+ were observed in the redox cycle by means of ESI-MS. On the basis of these observations, a mechanism is proposed that may provide an insight into the newly developed aerobic alcohol oxidation.
关键词[WOS]: IONIZATION MASS-SPECTROMETRY ;  SELECTIVE OXIDATION ;  ELECTROSPRAY-IONIZATION ;  MOLECULAR-OXYGEN ;  NITROXYL RADICALS ;  SECONDARY ALCOHOLS ;  OXOAMMONIUM SALTS ;  BENZYLIC ALCOHOLS ;  PALLADIUM NANOPARTICLES ;  ATMOSPHERIC OXYGEN
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000254467400005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/100183
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, Dalian 116023, Peoples R China
2.E China Univ Sci & Technol, Sch Pharm, Shanghai 200237, Peoples R China

Recommended Citation:
Wang, Xinliang,Liu, Renhua,Jin, Yu,et al. TEMPO/HCl/NaNO2 catalyst: A transition-metal-free approach to efficient aerobic oxidation of alcohols to aldehydes and ketones under mild conditions[J]. CHEMISTRY-A EUROPEAN JOURNAL,2008,14(9):2679-2685.
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