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题名: Metal-Free and Solvent-Free Oxidative Coupling of Amines to Imines with Mesoporous Carbon from Macrocyclic Compounds
作者: Chen, Bo1, 2;  Wang, Lianyue1;  Dai, Wen1;  Shang, Sensen1, 2;  Lv, Ying1;  Gao, Shuang1
关键词: imines ;  aerobic oxidation ;  heterogeneous catalysis ;  metal-free ;  mesoporous carbon
刊名: ACS CATALYSIS
发表日期: 2015-05-01
DOI: 10.1021/acscatal.5b00244
卷: 5, 期:5, 页:2788-2794
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: A new series of carbon-based heterogeneous catalysts aiming at the oxidative coupling of amines to imines is disclosed here, which are easily synthesized by pyrolysis of macrocyclic compounds, including phthalocyanine and porphyrin under different temperatures. Silica colloid or ordered mesoporous silica SBA-15 is employed as the hard template to fulfill the mesoporous structures. The most active catalyst fabricated from phthalocyanine and silica colloid shows remarkable catalytic activity, excellent selectivity, and robust stability toward the imine formation in the presence of molecular oxygen under neat conditions. Kinetic analysis demonstrates that the apparent activation for benzylamine oxidation is 47.6 kJ mol(-1) and that cationic species are involved in the reaction. The unprecedented performance of mesoporous carbon catalysts can be attributed to their high surface area, profitable pore volume, as well as homogeneous distribution of defect sites.
关键词[WOS]: PHOTOCATALYTIC AEROBIC OXIDATION ;  CATALYZED DIRECT SYNTHESIS ;  SELECTIVE OXIDATION ;  MOLECULAR-OXYGEN ;  ACTIVATED-CARBON ;  SECONDARY-AMINES ;  OXIDE CATALYSTS ;  SUPPORTED GOLD ;  ALCOHOLS ;  EFFICIENT
语种: 英语
WOS记录号: WOS:000354012200013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146247
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, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Chen, Bo,Wang, Lianyue,Dai, Wen,et al. Metal-Free and Solvent-Free Oxidative Coupling of Amines to Imines with Mesoporous Carbon from Macrocyclic Compounds[J]. ACS CATALYSIS,2015,5(5):2788-2794.
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