Iridium phosphine abnormal N-heterocyclic carbene complexes in catalytic hydrogen transfer reactions

	Iridium phosphine abnormal N-heterocyclic carbene complexes in catalytic hydrogen transfer reactions
	Gong, Xue 1,2; Zhang, Hong 1; Li, Xingwei 2,3
刊名	tetrahedron letters
	2011-10-26
卷号	52 期号:43 页码:5596-5600
关键词	Abnormal N-heterocylic carbene Cyclometalation Iiridium hydride Hydrogen-borrowing Dehydrogenation
ISSN号	待补充
通讯作者	hongzhang ; 李兴伟
产权排序	2,1
中文摘要	iridium phosphine abnormal n-heterocyclic carbene complexes in catalytic hydrogen transfer reactions
英文摘要	several iridium complexes bearing chelating abnormal n-heterocyclic carbenes (nhcs) are shown to be active catalysts for transfer hydrogenation of ketones or enones, dehydrative c-c coupling between primary and secondary alcohols, and dehydrogenation of benzyl alcohol to benzyl benzoate. in the transfer hydrogenation of acetophenone, abnormal nhc complexes give higher activity than a normal analogue. dehydrative c-c coupling reactions between primary and secondary alcohols result in beta-alkylation of the secondary alcohols, using primary alcohols as the apparent alkylating reagents, and such reactions proceed with high yield and selectivity. these catalytic processes are known to involve metal-mediated temporary borrowing of hydrogen from alcohols and subsequent delivery of the hydrogen to c=c and /or c=o bonds. (c) 2011 elsevier ltd. all rights reserved.
学科主题	物理化学
WOS标题词	science & technology ; physical sciences
类目[WOS]	chemistry, organic
研究领域[WOS]	chemistry
关键词[WOS]	cross-coupling reactions ; c-h activation ; oxidant-free oxidation ; secondary alcohols ; beta-alkylation ; imidazolium salts ; intramolecular hydroamination ; asymmetric hydrogenation ; coordination chemistry ; palladium complexes
收录类别	SCI
语种	英语
WOS记录号	WOS:000295742400013
公开日期	2012-07-09
内容类型	期刊论文
源URL	[http://159.226.238.44/handle/321008/115608]
专题	大连化学物理研究所_中国科学院大连化学物理研究所
作者单位	1.NE Normal Univ, Inst Polyoxometalate Chem, Dept Chem, Changchun 130024, Jilin, Peoples R China 2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China 3.Nanyang Technol Univ, Div Chem & Biol Chem, Sch Phys & Math Sci, Singapore, Singapore
推荐引用方式 GB/T 7714	Gong, Xue,Zhang, Hong,Li, Xingwei. Iridium phosphine abnormal N-heterocyclic carbene complexes in catalytic hydrogen transfer reactions[J]. tetrahedron letters,2011,52(43):5596-5600.
APA	Gong, Xue,Zhang, Hong,&Li, Xingwei.(2011).Iridium phosphine abnormal N-heterocyclic carbene complexes in catalytic hydrogen transfer reactions.tetrahedron letters,52(43),5596-5600.
MLA	Gong, Xue,et al."Iridium phosphine abnormal N-heterocyclic carbene complexes in catalytic hydrogen transfer reactions".tetrahedron letters 52.43(2011):5596-5600.