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题名: Homogeneous iridium-catalyzed dehydroaromatization of 2-substituted-1,2-dihydroquinolines
作者: Lu, SM;  Wang, YQ;  Han, XW;  Zhou, YG
关键词: dehydroaromatizion ;  iridium complex ;  iodine ;  1 2-dihydroquinoline ;  213-dihydroindole
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2005-04-01
卷: 26, 期:4, 页:287-290
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: The dehvdroaromatization reactions of 2-substituted- 1, 2-dlhydroquinolines, 2-methyl-2,3-dihydroindole, 1,4-dihydropyridines and 3,4-dihydrolsoquinoline were investigated using iridium complexes with P-P or N-P ligands prepared in situ. The effect of different metal precursors, ligands, catalyst loading, solvents and iodine on the rate and selectivity for the dehydroaromatization was investigated using 2-methyl-1 2- dihydroquirioline as model substrate. The best result was achieved by using the complex [Ir(COD) Cl](2)/(±)-MeO-Biphep in the presence of iodine at room temperature. The aromatization of 2,3-dihydroindole and 1, 4-dihydropyridine could proceed only at high temperature in the same catalyst system, and 3,4-dihydroisoquinoline could not be aromatized even at 120 ° C for 36 h. The presence of iodine could accelerate the reaction rate.
语种: 英语
WOS记录号: WOS:000229133700008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139922
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

Recommended Citation:
Lu, SM,Wang, YQ,Han, XW,et al. Homogeneous iridium-catalyzed dehydroaromatization of 2-substituted-1,2-dihydroquinolines[J]. CHINESE JOURNAL OF CATALYSIS,2005,26(4):287-290.
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