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学科主题: 物理化学
题名: Facile and efficient gold-catalyzed aerobic oxidative esterification of activated alcohols
作者: Wang, Lianyue1;  Li, Jun1;  Dai, Wen1, 2;  Lv, Ying1;  Zhang, Yi1;  Gao, Shuang1
通讯作者: 高爽
刊名: GREEN CHEMISTRY
发表日期: 2014
DOI: 10.1039/c3gc42075b
卷: 16, 期:4, 页:2164-2173
收录类别: SCI ;  CCR
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: A facile and efficient methodology is presented for the direct oxidative esterification of alcohols with alcohols catalyzed by NaAuCl4. Just in the presence of a low catalytic amount of base additive, the newly developed catalytic system proceeds with high selectivity and broad substrate scope under mild conditions with dioxygen or air as the environmentally benign terminal oxidant. Various alcohols including benzylic and allylic alcohols were smoothly reacted with methanol and even with long-chain aliphatic alcohols, affording the desired products in good to excellent yields (up to 95% yield). The present system showed high catalytic activity with a TOF up to 219 h(-1). Kinetic studies of the reaction process provide fundamental insights into the catalytic pathway, and a possible reaction pathway was proposed based on the results of the control experiments. XPS, TEM, and UV-vis were carried out to characterize the chemical state of the Au catalyst in the present catalytic system. The results indicate that the Au nanoparticles were generated in situ and supported on K2CO3, forming a simple, recyclable and selective catalyst system for the direct oxidative esterification of alcohols.
关键词[WOS]: METHYL-ESTERS ;  SELECTIVE OXIDATION ;  MOLECULAR-IODINE ;  ALDEHYDES ;  NANOPARTICLES ;  ACID ;  TRANSFORMATION ;  CONVERSION ;  METHANOL ;  DEHYDROGENATION
语种: 英语
WOS记录号: WOS:000333331200053
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/144382
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 Natl Lab Clean Energy, DNL, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 10049, Peoples R China

Recommended Citation:
Wang, Lianyue,Li, Jun,Dai, Wen,et al. Facile and efficient gold-catalyzed aerobic oxidative esterification of activated alcohols[J]. GREEN CHEMISTRY,2014,16(4):2164-2173.
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