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Unprecedentedly High Formic Acid Dehydrogenation Activity on an Iridium Complex with an N,N'-Diimine Ligand in Water
Wang, Zhijun1,2; Lu, Sheng-Mei1; Li, Jun1; Wang, Jijie1; Li, Can1
关键词Dehydrogenation Diimine Ligand Formic Acid Hydrogen Iridium Complex
刊名CHEMISTRY-A EUROPEAN JOURNAL
2015-09-01
DOI10.1002/chem.201502086
21期:36页:12592-12595
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]TRANSITION-METAL IONS ; HYDROGEN-STORAGE ; AQUEOUS-SOLUTION ; CARBON-DIOXIDE ; SELECTIVE DEHYDROGENATION ; REVERSIBLE HYDROGENATION ; COORDINATION-COMPLEXES ; AMBIENT-TEMPERATURE ; RUTHENIUM COMPLEXES ; IRON CATALYST
英文摘要Hydrogen production from the dehydrogenation of formic acid (FA) is promising. Most of the current catalysts for FA dehydrogenation are effective only in the presence of bases or additives. We report here newly developed iridium complexes containing conjugated N,N-diimine ligands for FA dehydrogenation in water without the addition of bases or additives. A turnover frequency (TOF) of 487500h(-1) with [Cp*Ir(L1)Cl]Cl (L1=2,2-bi-2-imidazoline) at 90 degrees C and a turnover number (TON) of 2400000 with in situ prepared catalyst from [IrCp*Cl-2](2) and 2,2-bi-1,4,5,6-tetrahydropyrimidine (L2) at 80 degrees C were obtained, the highest values reported for FA dehydrogenation to date. A mechanistic study reveals that the formation of [Ir-H] intermediate species is the rate-determining step in the catalytic cycle.
语种英语
WOS记录号WOS:000360312100008
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146492
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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GB/T 7714
Wang, Zhijun,Lu, Sheng-Mei,Li, Jun,et al. Unprecedentedly High Formic Acid Dehydrogenation Activity on an Iridium Complex with an N,N'-Diimine Ligand in Water[J]. CHEMISTRY-A EUROPEAN JOURNAL,2015,21(36):12592-12595.
APA Wang, Zhijun,Lu, Sheng-Mei,Li, Jun,Wang, Jijie,&Li, Can.(2015).Unprecedentedly High Formic Acid Dehydrogenation Activity on an Iridium Complex with an N,N'-Diimine Ligand in Water.CHEMISTRY-A EUROPEAN JOURNAL,21(36),12592-12595.
MLA Wang, Zhijun,et al."Unprecedentedly High Formic Acid Dehydrogenation Activity on an Iridium Complex with an N,N'-Diimine Ligand in Water".CHEMISTRY-A EUROPEAN JOURNAL 21.36(2015):12592-12595.
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