1
|
Lin Y, Xu G, Tang W. Chiral Polymeric Diamine Ligands for Iridium-Catalyzed Asymmetric Transfer Hydrogenation. J Am Chem Soc 2024; 146:27736-27744. [PMID: 39319748 DOI: 10.1021/jacs.4c09516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/26/2024]
Abstract
A series of polymeric chiral diamine ligands are developed by diboron-templated asymmetric reductive couplings, and their iridium complexes Ir-polydiamines are efficient and recyclable catalysts for asymmetric transfer hydrogenation (ATH) of functionalized ketones, affording a series of optically active secondary alcohols in excellent enantioselectivities (up to 99% ee) and unprecedentedly high total TONs (12,000, six cycles). Ir-polydiamine catalysts with longer chains offered higher reactivities, providing a plausible deactivation mechanism and practical solutions of ATH for vitamin B5 and phenylephrine.
Collapse
Affiliation(s)
- Yaodong Lin
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, 345 Ling Ling Road, Shanghai 200032, China
| | - Guangqing Xu
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, 345 Ling Ling Road, Shanghai 200032, China
| | - Wenjun Tang
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, 345 Ling Ling Road, Shanghai 200032, China
- School of Chemistry and Materials Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, 1 Sub-lane Xiangshan, Hangzhou 310024, China
| |
Collapse
|
2
|
He Y, Shi L, Dong B, Zhao G, Li F. β-Methylation of Primary Alcohols with Methanol Catalyzed by a Metal-Ligand Bifunctional Iridium Catalyst. J Org Chem 2024; 89:12392-12400. [PMID: 39087433 DOI: 10.1021/acs.joc.4c01323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2024]
Abstract
The development of efficient methods for the direct introduction of a methyl group into molecules is becoming increasingly important. Herein, the β-methylation of primary alcohols with methanol has been accomplished under environmentally benign conditions using [Cp*Ir(2,2'-bpyO)(H2O)] as a catalyst. It was found that functional groups in the ligand are crucially important for the activity of the iridium complex. Furthermore, the mechanistic research and application potential of our catalytic system are also presented.
Collapse
Affiliation(s)
- Yiqian He
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
| | - Lili Shi
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
| | - Beixuan Dong
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
| | - Guoqiang Zhao
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
| | - Feng Li
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, P. R. China
| |
Collapse
|
3
|
Zeng Z, Deng Y, Li L, Li C, Zhong M. Hydrogen Transfer Coupling with 100% Atom Economy: Synthesis of 2-Indolyltetrahydronaphthyridine Derivatives. J Org Chem 2022; 87:12257-12264. [PMID: 36045006 DOI: 10.1021/acs.joc.2c01436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An iridium-catalyzed hydrogen transfer strategy, enabling straightforward access to tetrahydropyridine derivatives from aryl-1,8-naphthyridines and indolines was developed. This method has unprecedented advantages, including high step economy. In addition, it does not produce any byproducts or require an external high-pressure H2 gas source. The method offers an important platform for the transformation of 1,8-naphthyridines and indolines into functionalized products.
Collapse
Affiliation(s)
- Zheng Zeng
- Affiliated Hospital of Guilin Medical University, Guilin 541001, China
| | - Yiqiu Deng
- Affiliated Hospital of Guilin Medical University, Guilin 541001, China.,College of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, Zhejiang, China
| | - Lanyu Li
- Affiliated Hospital of Guilin Medical University, Guilin 541001, China
| | - Chungang Li
- The 926th Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army, Kaiyuan 661600, Yunnan, China
| | - Mingli Zhong
- College of Pharmacy, Guilin Medical University, Guilin 541199, China
| |
Collapse
|
4
|
Direct couplings of secondary alcohols with primary alkenyl alcohols to α-alkylated ketones via a tandem transfer hydrogenation/hydrogen autotransfer process catalyzed by a metal-ligand bifunctional iridium catalyst. J Catal 2022. [DOI: 10.1016/j.jcat.2022.06.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
|
5
|
Cp*Ir complex bearing a flexible bridging and functional 2,2′-methylenebibenzimidazole ligand as an auto-tandem catalyst for the synthesis of N-methyl tertiary amines from imines via transfer hydrogenation/N-methylation with methanol. J Catal 2021. [DOI: 10.1016/j.jcat.2021.08.037] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
|
6
|
From selective transfer hydrogenation to selective hydrogen auto-transfer process: An efficient method for the synthesis of alkenyl ketones via iridium-catalyzed α-alkylation of ketones with alkenyl alcohols. J Catal 2021. [DOI: 10.1016/j.jcat.2021.08.038] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
|
7
|
Abstract
A new catalytic system has been developed for hydrogen production from various monosaccharides, mainly glucose, as a starting material under reflux conditions in water in the presence of a water-soluble dicationic iridium complex bearing a functional bipyridine ligand. For example, the reaction of D-glucose in water under reflux for 20 h in the presence of [Cp*Ir(6,6′-dihydroxy-2,2′-bipyridine)(H2O)][OTf]2 (1.0 mol %) (Cp*: pentamethylcyclopentadienyl, OTf: trifluoromethanesulfonate) resulted in the production of hydrogen gas in 95% yield. In the present catalytic reaction, it was experimentally suggested that dehydrogenation of the alcoholic moiety at 1-position of glucose proceeded.
Collapse
|
8
|
Wang R, Yue Y, Qi J, Liu S, Song A, Zhuo S, Xing LB. Ambient-pressure highly active hydrogenation of ketones and aldehydes catalyzed by a metal-ligand bifunctional iridium catalyst under base-free conditions in water. J Catal 2021. [DOI: 10.1016/j.jcat.2021.04.023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
|
9
|
Carrasco AC, Rodríguez-Fanjul V, Pizarro AM. Activation of the Ir-N(pyridine) Bond in Half-Sandwich Tethered Iridium(III) Complexes. Inorg Chem 2020; 59:16454-16466. [PMID: 33103884 DOI: 10.1021/acs.inorgchem.0c02287] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
We present four new organometallic half-sandwich iridium(III) complexes of formula [Ir(η5:κ1-C5Me4CH2py)(N,N)](PF6)2, bearing a N,N-chelating ligand [ethylenediamine (en), 1; 1,3-diaminopropane (dap), 2; 2,2'-bipyridine (bipy), 3; 1,10-phenanthroline (phen), 4]; and a derivatized cyclopentadienyl ligand, C5Me4CH2C5H4N, which forms an additional five-membered chelate. The latter is hemilabile, and the Ir-N(py) bond can be reversibly cleaved by various stimuli. The four complexes are unreactive toward hydrolysis at pH 7. Interestingly, 1 and 2 react with hydrochloric acid and formate, and speciation between closed and open tether complexes can be followed by 1H NMR spectroscopy. Complex 1 binds to nucleobase guanine (9-ethylguanine, 9-EtG), yet interaction to calf-thymus DNA was not observed. New X-ray structures of closed tether complexes 1-4 and open tether complexes [Ir(η5-C5Me4CH2pyH)(en)Cl](PF6)2 (1·HCl) and [Ir(η5-C5Me4CH2py)(en)H]PF6 (1·hyd) have been determined. Hydride capture is efficient for 1 and 2. The kinetics of Ir-H bond formation and hydride transfer in a model organic molecule have been investigated, revealing a strong dependence on the temperature. Coincubation of complex 1 with nontoxic concentrations of sodium formate decreases the IC50 value in MCF7 breast cancer cells, indicating the possibility of intracellular activation of the Ir-N(py) tether bond to generate cytotoxic activity via iridium-mediated transfer hydrogenation.
Collapse
|
10
|
Yun XJ, Ling C, Deng W, Liu ZJ, Yao ZJ. Half-Sandwich Ru(II) Complexes with N,O-Chelate Ligands: Diverse Catalytic Activity for Amine Synthesis in Water. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00554] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Xue-Jing Yun
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418, China
| | - Chun Ling
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418, China
| | - Wei Deng
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418, China
| | - Zhen-Jiang Liu
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418, China
| | - Zi-Jian Yao
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418, China
- Key Lab of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, China
| |
Collapse
|
11
|
Nguyen DP, Sladek RN, Do LH. Scope and Limitations of Reductive Amination Catalyzed by Half-Sandwich Iridium Complexes Under Mild Reaction Conditions. Tetrahedron Lett 2020; 61. [PMID: 32728300 DOI: 10.1016/j.tetlet.2020.152196] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The conversion of aldehydes and ketones to 1° amines could be promoted by half-sandwich iridium complexes using ammonium formate as both the nitrogen and hydride source. To optimize this method for green chemical synthesis, we tested various carbonyl substrates in common polar solvents at physiological temperature (37 °C) and ambient pressure. We found that in methanol, excellent selectivity for the amine over alcohol/amide products could be achieved for a broad assortment of carbonyl-containing compounds. In aqueous media, selective reduction of carbonyls to 1° amines was achieved in the absence of acids. Unfortunately, at Ir catalyst concentrations of <1 mM in water, reductive amination efficiency dropped significantly, which suggest that this catalytic methodology might be not suitable for aqueous applications where very low catalyst concentration is required (e.g., inside living cells).
Collapse
Affiliation(s)
- Dat P Nguyen
- Department of Chemistry, University of Houston, Houston, Texas 77004, United States
| | - Rudolph N Sladek
- Department of Chemistry, University of Houston, Houston, Texas 77004, United States
| | - Loi H Do
- Department of Chemistry, University of Houston, Houston, Texas 77004, United States
| |
Collapse
|
12
|
Meng C, Liu P, Tung NT, Han X, Li F. N-Methylation of Amines with Methanol in Aqueous Solution Catalyzed by a Water-Soluble Metal–Ligand Bifunctional Dinuclear Iridium Catalyst. J Org Chem 2020; 85:5815-5824. [PMID: 32237717 DOI: 10.1021/acs.joc.9b03411] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Chong Meng
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, People’s Republic of China
| | - Peng Liu
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, People’s Republic of China
| | - Nguyen Thanh Tung
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, People’s Republic of China
| | - Xingyou Han
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, People’s Republic of China
| | - Feng Li
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, People’s Republic of China
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, People’s Republic of China
| |
Collapse
|
13
|
Carrasco AC, Rodríguez-Fanjul V, Habtemariam A, Pizarro AM. Structurally Strained Half-Sandwich Iridium(III) Complexes As Highly Potent Anticancer Agents. J Med Chem 2020; 63:4005-4021. [PMID: 32207946 DOI: 10.1021/acs.jmedchem.9b02000] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Six complexes of formula [Ir(η5:κ1-C5Me4CH2py)(C,N)]PF6, where C5Me4CH2py is 2-((2,3,4,5-tetramethylcyclopentadienyl)methyl)pyridine, and C,N is 2-phenylpyridine (1), 7,8-benzoquinoline (2), 1-phenylisoquinoline (3), 2-(p-tolyl)pyridine (4), 4-chloro-2-phenylquinoline (5), or 2-(2,4-difluorophenyl)pyridine (6), have been synthesized. The cyclopentadienyl ligand bears a tethered pyridine that binds to the metal center, resulting in an Ir(η5:κ1-C5Me4CH2pyN) tether-ring structure, as confirmed by the X-ray crystal structures of 1, 2, 4, 5, and 6. Nontether versions of 1 and 2 were synthesized to aid unambiguous correlation between structure and activity. While nontether complexes are highly potent toward MCF7 cancer cells (similar to cisplatin), complexes bearing the tether-ring structure, 1-6, are exceptionally more potent (1-2 orders of magnitude). Additionally, 1-6 disrupt mitochondrial membrane potential (ΔΨm) and induce oxidative stress. Internalization studies strongly correlate intracellular accumulation and anticancer activity in tether and nontether complexes. We present a new class of organo-iridium drug candidates bearing a structural feature that results in a leap in anticancer potency.
Collapse
Affiliation(s)
| | | | - Abraha Habtemariam
- IMDEA Nanociencia, Faraday 9, 28049 Madrid, Spain.,Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K
| | - Ana M Pizarro
- IMDEA Nanociencia, Faraday 9, 28049 Madrid, Spain.,Unidad Asociada de Nanobiotecnología CNB-CSIC-IMDEA, 28049 Madrid, Spain
| |
Collapse
|
14
|
Barrett SM, Stratakes BM, Chambers MB, Kurtz DA, Pitman CL, Dempsey JL, Miller AJM. Mechanistic basis for tuning iridium hydride photochemistry from H 2 evolution to hydride transfer hydrodechlorination. Chem Sci 2020; 11:6442-6449. [PMID: 34094109 PMCID: PMC8152724 DOI: 10.1039/d0sc00422g] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 03/05/2020] [Indexed: 01/01/2023] Open
Abstract
The photochemistry of metal hydride complexes is dominated by H2 evolution, limiting access to reductive transformations based on photochemical hydride transfer. In this article, the innate H2 evolution photochemistry of the iridium hydride complexes [Cp*Ir(bpy-OMe)H]+ (1, bpy-OMe = 4,4'-dimethoxy-2,2'-bipyridine) and [Cp*Ir(bpy)H]+ (2, bpy = 2,2'-bipyridine) is diverted towards photochemical hydrodechlorination. Net hydride transfer from 1 and 2 to dichloromethane produces chloromethane with high selectivity and exceptional photochemical quantum yield (Φ ≤ 1.3). Thermodynamic and kinetic mechanistic studies are consistent with a non-radical-chain reaction sequence initiated by "self-quenching" electron transfer between excited state and ground state hydride complexes, followed by proton-coupled electron transfer (PCET) hydrodechlorination that outcompetes H-H coupling. This unique photochemical mechanism provides a new hope for the development of light-driven hydride transfer reactions.
Collapse
Affiliation(s)
- Seth M Barrett
- Department of Chemistry, University of North Carolina at Chapel Hill Chapel Hill North Carolina 27599-3290 USA
- Department of Chemistry, Muskingum University New Concord OH 43762-1118 USA
| | - Bethany M Stratakes
- Department of Chemistry, University of North Carolina at Chapel Hill Chapel Hill North Carolina 27599-3290 USA
| | - Matthew B Chambers
- Department of Chemistry, University of North Carolina at Chapel Hill Chapel Hill North Carolina 27599-3290 USA
- Department of Chemistry, Louisiana State University Baton Rouge LA 70803-1804 USA
| | - Daniel A Kurtz
- Department of Chemistry, University of North Carolina at Chapel Hill Chapel Hill North Carolina 27599-3290 USA
| | - Catherine L Pitman
- Department of Chemistry, University of North Carolina at Chapel Hill Chapel Hill North Carolina 27599-3290 USA
| | - Jillian L Dempsey
- Department of Chemistry, University of North Carolina at Chapel Hill Chapel Hill North Carolina 27599-3290 USA
| | - Alexander J M Miller
- Department of Chemistry, University of North Carolina at Chapel Hill Chapel Hill North Carolina 27599-3290 USA
| |
Collapse
|
15
|
Conesa JJ, Carrasco AC, Rodríguez‐Fanjul V, Yang Y, Carrascosa JL, Cloetens P, Pereiro E, Pizarro AM. Unambiguous Intracellular Localization and Quantification of a Potent Iridium Anticancer Compound by Correlative 3D Cryo X‐Ray Imaging. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201911510] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- José Javier Conesa
- MISTRAL beamline ALBA Synchrotron Light Source Cerdanyola del Vallès 08290 Barcelona Spain
- Current address: Department of Structure of Macromolecules Centro Nacional de Biotecnología/CSIC 28049 Madrid Spain
| | | | | | - Yang Yang
- ID16A beamline ESRF-The European Synchrotron 38043 Grenoble France
| | - José L. Carrascosa
- Department of Structure of Macromolecules Centro Nacional de Biotecnología/CSIC 28049 Madrid Spain
- Unidad Asociada de Nanobiotecnología CNB-CSIC-IMDEA 28049 Madrid Spain
| | - Peter Cloetens
- ID16A beamline ESRF-The European Synchrotron 38043 Grenoble France
| | - Eva Pereiro
- MISTRAL beamline ALBA Synchrotron Light Source Cerdanyola del Vallès 08290 Barcelona Spain
| | - Ana M. Pizarro
- IMDEA Nanociencia Faraday 9 28049 Madrid Spain
- Unidad Asociada de Nanobiotecnología CNB-CSIC-IMDEA 28049 Madrid Spain
| |
Collapse
|
16
|
Conesa JJ, Carrasco AC, Rodríguez‐Fanjul V, Yang Y, Carrascosa JL, Cloetens P, Pereiro E, Pizarro AM. Unambiguous Intracellular Localization and Quantification of a Potent Iridium Anticancer Compound by Correlative 3D Cryo X‐Ray Imaging. Angew Chem Int Ed Engl 2019; 59:1270-1278. [DOI: 10.1002/anie.201911510] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 10/25/2019] [Indexed: 02/06/2023]
Affiliation(s)
- José Javier Conesa
- MISTRAL beamline ALBA Synchrotron Light Source Cerdanyola del Vallès 08290 Barcelona Spain
- Current address: Department of Structure of Macromolecules Centro Nacional de Biotecnología/CSIC 28049 Madrid Spain
| | | | | | - Yang Yang
- ID16A beamline ESRF-The European Synchrotron 38043 Grenoble France
| | - José L. Carrascosa
- Department of Structure of Macromolecules Centro Nacional de Biotecnología/CSIC 28049 Madrid Spain
- Unidad Asociada de Nanobiotecnología CNB-CSIC-IMDEA 28049 Madrid Spain
| | - Peter Cloetens
- ID16A beamline ESRF-The European Synchrotron 38043 Grenoble France
| | - Eva Pereiro
- MISTRAL beamline ALBA Synchrotron Light Source Cerdanyola del Vallès 08290 Barcelona Spain
| | - Ana M. Pizarro
- IMDEA Nanociencia Faraday 9 28049 Madrid Spain
- Unidad Asociada de Nanobiotecnología CNB-CSIC-IMDEA 28049 Madrid Spain
| |
Collapse
|
17
|
Feng H, Guo X, Zhang H, Chen L, Yin P, Chen C, Duan X, Zhang X, Wei M. Mechanistic insights into artificial metalloenzymes towards imine reduction. Phys Chem Chem Phys 2019; 21:23408-23417. [PMID: 31625550 DOI: 10.1039/c9cp04473f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
In the field of artificial metalloenzyme (ArM) catalysis, how to identify the critical factors affecting the catalytic activity and enantioselectivity remains a challenge. In this work, the mechanism of enantioselective reduction of imine catalyzed by using [Rh(Me4Cpbiot)Cl2]·S112H Sav (denoted as S112H) and [Rh(Me4Cpbiot)Cl2]·K121H Sav (denoted as K121H) was studied by using molecular dynamics (MD) simulations combined with density functional theory (DFT) calculations. Four binding modes of imine, two proton sources (hydronium ion and lysine) and eight proposed reaction pathways were systematically discussed. The results showed that due to the anchoring effect of the mutation site of ArMs, the rhodium complex which oscillated like a pendulum was bound to a specific conformation, which further determined the chirality of the reduced product. C-Hπ, cation-π and ππ weak interactions played an important role in imine binding, and the favorable binding mode of imine was catalyzed by S112H in landscape orientation and catalyzed by K121H in portrait orientation, respectively. LYS121 is the most possible proton source in the S112H catalytic process while the proton source in the K121H catalytic process is the hydronium ion of the active sites. Furthermore, based on the reaction mechanism, modification of Rh(Me4Cpbiot)Cl2 was carried out in S112H and K121H, and the results suggested that the reaction barrier could be effectively reduced by replacing the methyl groups on Cp* with an amino group. This work gives a fundamental understanding of the mechanism of ArMs toward the imine reduction reaction, in the hope of providing a strategy for reasonable designs of ArMs with high enantioselectivity.
Collapse
Affiliation(s)
- Haisong Feng
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China.
| | | | | | | | | | | | | | | | | |
Collapse
|
18
|
Tickner BJ, Lewis JS, John RO, Whitwood AC, Duckett SB. Mechanistic insight into novel sulfoxide containing SABRE polarisation transfer catalysts. Dalton Trans 2019; 48:15198-15206. [PMID: 31576870 DOI: 10.1039/c9dt02951f] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Signal Amplification By Reversible Exchange (SABRE) is a hyperpolarisation technique that commonly uses [Ir(H)2(carbene)(substrate)3]Cl complexes to catalytically transfer magnetisation from para-hydrogen derived hydride ligands to coordinated substrates. Here, we explore the reactivity of a novel class of such catalysts based on sulfoxide containing [IrCl(H)2(carbene)(DMSO)2], which are involved in the hyperpolarisation of pyruvate using SABRE. We probe the reactivity of this species by NMR and DFT and upon reaction with sodium pyruvate establish the formation of two isomers of [Ir(H)2(η2-pyruvate)(DMSO)(IMes)]. Studies with related disodium oxalate yield [Ir2(H)4(IMes)2(DMSO)2(η2-κ2-Oxalate)] that is characterised by NMR and X-ray diffraction.
Collapse
Affiliation(s)
- Ben J Tickner
- Center for Hyperpolarization in Magnetic Resonance (CHyM), University of York, Heslington, York YO10 5NY, UK.
| | | | | | | | | |
Collapse
|
19
|
Curto SG, de las Heras LA, Esteruelas MA, Oliván M, Oñate E. C(sp3)–Cl Bond Activation Promoted by a POP-Pincer Rhodium(I) Complex. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00409] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Sheila G. Curto
- Departamento de Química Inorgánica-Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)-Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Laura A. de las Heras
- Departamento de Química Inorgánica-Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)-Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Miguel A. Esteruelas
- Departamento de Química Inorgánica-Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)-Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Montserrat Oliván
- Departamento de Química Inorgánica-Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)-Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Enrique Oñate
- Departamento de Química Inorgánica-Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)-Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| |
Collapse
|
20
|
Topchiyan P, Vasilchenko D, Tkachev S, Baidina I, Korolkov I, Sheven D, Berdyugin S, Korenev S. New heteroleptic iridium(III) nitro complexes derived from fac-[Ir(NO2)3(H2O)3]. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.01.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
21
|
Topchiyan PA, Vasilchenko DB, Tkachev SV, Baydina IA, Korolkov IV, Sheven DG, Korenev SV. Mixed-Ligand Iridium(III) Nitro Complexes with Phenantroline. J STRUCT CHEM+ 2019. [DOI: 10.1134/s0022476619040152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
22
|
Meng C, Xu J, Tang Y, Ai Y, Li F. The α-alkylation of ketones with alcohols in pure water catalyzed by a water-soluble Cp*Ir complex bearing a functional ligand. NEW J CHEM 2019. [DOI: 10.1039/c9nj03345a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A water-soluble dinuclear Cp*Ir complex bearing 4,4′,6,6′-tetrahydroxy-2,2′-bipyrimidine as a bridging ligand was found to be a highly effective catalyst for the α-alkylation of ketones with alcohols in water.
Collapse
Affiliation(s)
- Chong Meng
- School of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing 210094
- P. R. China
| | - Jing Xu
- School of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing 210094
- P. R. China
| | - Yawen Tang
- School of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing 210094
- P. R. China
| | - Yao Ai
- School of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing 210094
- P. R. China
| | - Feng Li
- School of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing 210094
- P. R. China
- State Key Laboratory of Fine Chemicals
| |
Collapse
|
23
|
Yang Z, Cheng W, Li Z. Iridium catalysed highly efficient transfer hydrogenation reduction of aldehydes and ketones in water. CATAL COMMUN 2018. [DOI: 10.1016/j.catcom.2018.08.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
|
24
|
Kayacı N, Dayan S, Özdemir N, Dayan O, Kalaycıoğlu Özpozan N. One-pot stepwise reductive amination reaction by N
-coordinate sulfonamido-functionalized Ru(II) complexes in water. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4558] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Nilgün Kayacı
- Department of Chemistry, Faculty of Science; Erciyes University; 38039 Kayseri Turkey
| | - Serkan Dayan
- Department of Chemistry, Faculty of Science; Erciyes University; 38039 Kayseri Turkey
| | - Namık Özdemir
- Department of Mathematics and Science Education, Faculty of Education; Ondokuz Mayıs University; 55139 Samsun Turkey
| | - Osman Dayan
- Department of Chemistry, Faculty of Arts and Science; Çanakkale Onsekiz Mart University; 17100 Çanakkale Turkey
| | | |
Collapse
|
25
|
Iglesias M, Oro LA. Mechanistic Considerations on Homogeneously Catalyzed Formic Acid Dehydrogenation. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800159] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Manuel Iglesias
- Departamento Química Inorgánica - ISQCH Department; Universidad de Zaragoza CSIC Institution; Pedro Cerbuna 12 50009 Zaragoza Spain
| | - Luis A. Oro
- Departamento Química Inorgánica - ISQCH Department; Universidad de Zaragoza CSIC Institution; Pedro Cerbuna 12 50009 Zaragoza Spain
- Centre of Research Excellence in Petroleum Refining and Petrochemicals; King Fahd University of Petroleum & Minerals (KFUPM); 31261 Dhahran Saudi Arabia
| |
Collapse
|
26
|
Esteruelas MA, López AM, Oñate E, San-Torcuato A, Tsai JY, Xia C. Preparation of Phosphorescent Iridium(III) Complexes with a Dianionic C,C,C,C-Tetradentate Ligand. Inorg Chem 2018. [DOI: 10.1021/acs.inorgchem.7b02993] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Miguel A. Esteruelas
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea, Centro de Innovación en Química Avanzada, Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Ana M. López
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea, Centro de Innovación en Química Avanzada, Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Enrique Oñate
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea, Centro de Innovación en Química Avanzada, Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Ainhoa San-Torcuato
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea, Centro de Innovación en Química Avanzada, Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Jui-Yi Tsai
- Universal Display Corporation, 375 Phillips Boulevard, Ewing, New Jersey 08618, United States
| | - Chuanjun Xia
- Universal Display Corporation, 375 Phillips Boulevard, Ewing, New Jersey 08618, United States
| |
Collapse
|
27
|
Wang R, Tang Y, Xu M, Meng C, Li F. Transfer Hydrogenation of Aldehydes and Ketones with Isopropanol under Neutral Conditions Catalyzed by a Metal–Ligand Bifunctional Catalyst [Cp*Ir(2,2′-bpyO)(H2O)]. J Org Chem 2018; 83:2274-2281. [DOI: 10.1021/acs.joc.7b03174] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Rongzhou Wang
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, People’s Republic of China
| | - Yawen Tang
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, People’s Republic of China
| | - Meng Xu
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, People’s Republic of China
| | - Chong Meng
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, People’s Republic of China
| | - Feng Li
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, People’s Republic of China
| |
Collapse
|
28
|
Christie F, Zanotti-Gerosa A, Grainger D. Hydrogenation and Reductive Amination of Aldehydes using Triphos Ruthenium Catalysts. ChemCatChem 2018. [DOI: 10.1002/cctc.201701450] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Francesca Christie
- School of Chemistry; University of St Andrews; EaStCHEM; St Andrews Fife KY16 9ST UK
| | | | - Damian Grainger
- Johnson Matthey; 28 Cambridge Science Park, Milton Road Cambridge CB4 0FP UK
| |
Collapse
|
29
|
Haibach MC, Stoltz BM, Grubbs RH. Catalytic Reduction of Alkyl and Aryl Bromides Using Propan-2-ol. Angew Chem Int Ed Engl 2017; 56:15123-15126. [DOI: 10.1002/anie.201708800] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Indexed: 11/09/2022]
Affiliation(s)
- Michael C. Haibach
- Division of Chemistry and Chemical Engineering; California Institute of Technology; Pasadena CA 91125 USA
| | - Brian M. Stoltz
- Division of Chemistry and Chemical Engineering; California Institute of Technology; Pasadena CA 91125 USA
| | - Robert H. Grubbs
- Division of Chemistry and Chemical Engineering; California Institute of Technology; Pasadena CA 91125 USA
| |
Collapse
|
30
|
Haibach MC, Stoltz BM, Grubbs RH. Catalytic Reduction of Alkyl and Aryl Bromides Using Propan-2-ol. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201708800] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Michael C. Haibach
- Division of Chemistry and Chemical Engineering; California Institute of Technology; Pasadena CA 91125 USA
| | - Brian M. Stoltz
- Division of Chemistry and Chemical Engineering; California Institute of Technology; Pasadena CA 91125 USA
| | - Robert H. Grubbs
- Division of Chemistry and Chemical Engineering; California Institute of Technology; Pasadena CA 91125 USA
| |
Collapse
|
31
|
Kikkawa M, Yatabe T, Matsumoto T, Yoon KS, Suzuki K, Enomoto T, Kaneko K, Ogo S. A Fusion of Biomimetic Fuel and Solar Cells Based on Hydrogenase, Photosystem II, and Cytochrome c Oxidase. ChemCatChem 2017. [DOI: 10.1002/cctc.201700995] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Mitsuhiro Kikkawa
- Center for Small Molecule Energy; Kyushu University; 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER); Kyushu University; 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan
- Department of Chemistry and Biochemistry, Graduate School of Engineering; Kyushu University; 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan
| | - Takeshi Yatabe
- Center for Small Molecule Energy; Kyushu University; 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER); Kyushu University; 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan
- Department of Chemistry and Biochemistry, Graduate School of Engineering; Kyushu University; 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan
| | - Takahiro Matsumoto
- Center for Small Molecule Energy; Kyushu University; 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER); Kyushu University; 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan
- Department of Chemistry and Biochemistry, Graduate School of Engineering; Kyushu University; 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan
| | - Ki-Seok Yoon
- Center for Small Molecule Energy; Kyushu University; 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER); Kyushu University; 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan
- Department of Chemistry and Biochemistry, Graduate School of Engineering; Kyushu University; 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan
| | - Kazuharu Suzuki
- Specialty Chemicals Section, Technology Development Department; Technical Division, Tanaka Kikinzoku Kogyo K. K.; 22 Wadai Tsukuba Ibaraki 300-4247 Japan
| | - Takao Enomoto
- Center for Small Molecule Energy; Kyushu University; 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan
- Specialty Chemicals Section, Technology Development Department; Technical Division, Tanaka Kikinzoku Kogyo K. K.; 22 Wadai Tsukuba Ibaraki 300-4247 Japan
| | - Kenji Kaneko
- Center for Small Molecule Energy; Kyushu University; 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan
- Department of Materials Science and Engineering, Faculty of Engineering; Kyushu University; 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan
| | - Seiji Ogo
- Center for Small Molecule Energy; Kyushu University; 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER); Kyushu University; 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan
- Department of Chemistry and Biochemistry, Graduate School of Engineering; Kyushu University; 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan
| |
Collapse
|
32
|
Wang S, Huang H, Dorcet V, Roisnel T, Bruneau C, Fischmeister C. Efficient Iridium Catalysts for Base-Free Hydrogenation of Levulinic Acid. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00503] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- S. Wang
- Institut
des Sciences Chimiques de Rennes, UMR 6226 CNRS, , Organometallics:
Materials and Catalysis, Centre for Catalysis and Green Chemistry, Université de Rennes 1, Campus de Beaulieu, F-35042 Rennes
Cedex, France
| | - H. Huang
- Institut
des Sciences Chimiques de Rennes, UMR 6226 CNRS, , Organometallics:
Materials and Catalysis, Centre for Catalysis and Green Chemistry, Université de Rennes 1, Campus de Beaulieu, F-35042 Rennes
Cedex, France
| | - V. Dorcet
- Centre
de Diffractométrie X Institut des Sciences Chimiques de Rennes
UMR 6226 CNRS, Université de Rennes 1, F-35042 Rennes Cedex, France
| | - T. Roisnel
- Centre
de Diffractométrie X Institut des Sciences Chimiques de Rennes
UMR 6226 CNRS, Université de Rennes 1, F-35042 Rennes Cedex, France
| | - C. Bruneau
- Institut
des Sciences Chimiques de Rennes, UMR 6226 CNRS, , Organometallics:
Materials and Catalysis, Centre for Catalysis and Green Chemistry, Université de Rennes 1, Campus de Beaulieu, F-35042 Rennes
Cedex, France
| | - C. Fischmeister
- Institut
des Sciences Chimiques de Rennes, UMR 6226 CNRS, , Organometallics:
Materials and Catalysis, Centre for Catalysis and Green Chemistry, Université de Rennes 1, Campus de Beaulieu, F-35042 Rennes
Cedex, France
| |
Collapse
|
33
|
Marozsán N, Horváth H, Erdei A, Joó F. Dehalogenation of organic halides in aqueous media by hydrogen transfer from formate catalyzed by water-soluble Ru(II)-N-heterocyclic carbene complexes. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.molcata.2016.09.036] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
34
|
Kerner C, Straub SD, Sun Y, Thiel WR. A Rapid and Additive-Free Ruthenium-Catalyzed Reductive Amination of Aromatic Aldehydes. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600515] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Christian Kerner
- Fachbereich Chemie; TU Kaiserslautern; Erwin-Schrödinger-Str. 54 67663 Kaiserslautern Germany
| | - Sascha-Dominic Straub
- Fachbereich Chemie; TU Kaiserslautern; Erwin-Schrödinger-Str. 54 67663 Kaiserslautern Germany
| | - Y. Sun
- Fachbereich Chemie; TU Kaiserslautern; Erwin-Schrödinger-Str. 54 67663 Kaiserslautern Germany
| | - Werner R. Thiel
- Fachbereich Chemie; TU Kaiserslautern; Erwin-Schrödinger-Str. 54 67663 Kaiserslautern Germany
| |
Collapse
|
35
|
Xie Y, Wang M, Wu X, Chen C, Ma W, Dong Q, Yuan M, Hou Z. A pH-Responsive Soluble-Polymer-Based Homogeneous Ruthenium Catalyst for Highly Efficient Asymmetric Transfer Hydrogenation (ATH). Chempluschem 2016; 81:541-549. [DOI: 10.1002/cplu.201600062] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Accepted: 04/28/2016] [Indexed: 11/09/2022]
Affiliation(s)
- Yinzheng Xie
- Key Laboratory for Advanced Materials; Research Institute of Industrial Catalysis; East China University of Science and Technology; Shanghai 200237 China
| | - Mengpan Wang
- Key Laboratory for Advanced Materials; Research Institute of Industrial Catalysis; East China University of Science and Technology; Shanghai 200237 China
| | - Xiaohui Wu
- Key Laboratory for Advanced Materials; Research Institute of Industrial Catalysis; East China University of Science and Technology; Shanghai 200237 China
| | - Chen Chen
- Key Laboratory for Advanced Materials; Research Institute of Industrial Catalysis; East China University of Science and Technology; Shanghai 200237 China
| | - Wenbo Ma
- Key Laboratory for Advanced Materials; Research Institute of Industrial Catalysis; East China University of Science and Technology; Shanghai 200237 China
| | - Qifeng Dong
- Key Laboratory for Advanced Materials; Research Institute of Industrial Catalysis; East China University of Science and Technology; Shanghai 200237 China
| | - Mingming Yuan
- Key Laboratory for Advanced Materials; Research Institute of Industrial Catalysis; East China University of Science and Technology; Shanghai 200237 China
| | - Zhenshan Hou
- Key Laboratory for Advanced Materials; Research Institute of Industrial Catalysis; East China University of Science and Technology; Shanghai 200237 China
| |
Collapse
|
36
|
Brewster TP, Rezayee NM, Culakova Z, Sanford MS, Goldberg KI. Base-Free Iridium-Catalyzed Hydrogenation of Esters and Lactones. ACS Catal 2016. [DOI: 10.1021/acscatal.6b00263] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Timothy P. Brewster
- Department
of Chemistry, University of Washington, Seattle, Washington 98195-1700, United States
| | - Nomaan M. Rezayee
- Department
of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
| | - Zuzana Culakova
- Department
of Chemistry, University of Washington, Seattle, Washington 98195-1700, United States
| | - Melanie S. Sanford
- Department
of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
| | - Karen I. Goldberg
- Department
of Chemistry, University of Washington, Seattle, Washington 98195-1700, United States
| |
Collapse
|
37
|
Wills M. Imino Transfer Hydrogenation Reductions. Top Curr Chem (Cham) 2016; 374:14. [DOI: 10.1007/s41061-016-0013-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Accepted: 02/13/2016] [Indexed: 10/22/2022]
|
38
|
Abstract
Transition metal hydride complexes are usually amphoteric, not only acting as hydride donors, but also as Brønsted-Lowry acids. A simple additive ligand acidity constant equation (LAC for short) allows the estimation of the acid dissociation constant Ka(LAC) of diamagnetic transition metal hydride and dihydrogen complexes. It is remarkably successful in systematizing diverse reports of over 450 reactions of acids with metal complexes and bases with metal hydrides and dihydrogen complexes, including catalytic cycles where these reactions are proposed or observed. There are links between pKa(LAC) and pKa(THF), pKa(DCM), pKa(MeCN) for neutral and cationic acids. For the groups from chromium to nickel, tables are provided that order the acidity of metal hydride and dihydrogen complexes from most acidic (pKa(LAC) -18) to least acidic (pKa(LAC) 50). Figures are constructed showing metal acids above the solvent pKa scales and organic acids below to summarize a large amount of information. Acid-base features are analyzed for catalysts from chromium to gold for ionic hydrogenations, bifunctional catalysts for hydrogen oxidation and evolution electrocatalysis, H/D exchange, olefin hydrogenation and isomerization, hydrogenation of ketones, aldehydes, imines, and carbon dioxide, hydrogenases and their model complexes, and palladium catalysts with hydride intermediates.
Collapse
Affiliation(s)
- Robert H Morris
- Department of Chemistry, University of Toronto , 80 Saint George Street, Toronto, Ontario M5S 3H6, Canada
| |
Collapse
|
39
|
Kerr ME, Ahmed I, Gunay A, Venditto NJ, Zhu F, Ison EA, Emmert MH. Non-directed, carbonate-mediated C–H activation and aerobic C–H oxygenation with Cp*Ir catalysts. Dalton Trans 2016; 45:9942-7. [DOI: 10.1039/c6dt00234j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Carbonate additives enhance the activity of [Cp*Ir(H2O)3](OTf)2 for non-directed C–H activations and the aerobic C–H oxygenation of alkyl arenes.
Collapse
Affiliation(s)
- M. E. Kerr
- Department of Chemistry & Biochemistry
- Worcester Polytechnic Institute
- Worcester
- USA
- Chemistry Department
| | - I. Ahmed
- Department of Chemistry & Biochemistry
- Worcester Polytechnic Institute
- Worcester
- USA
| | - A. Gunay
- Department of Chemistry & Biochemistry
- Worcester Polytechnic Institute
- Worcester
- USA
| | - N. J. Venditto
- Department of Chemistry & Biochemistry
- Worcester Polytechnic Institute
- Worcester
- USA
| | - F. Zhu
- Department of Chemistry & Biochemistry
- Worcester Polytechnic Institute
- Worcester
- USA
| | - E. A. Ison
- Department of Chemistry
- North Carolina State University
- Raleigh
- USA
| | - M. H. Emmert
- Department of Chemistry & Biochemistry
- Worcester Polytechnic Institute
- Worcester
- USA
| |
Collapse
|
40
|
Madern N, Queyriaux N, Chevalley A, Ghasemi M, Nicolotti O, Ciofini I, Mangiatordi GF, Salmain M. Piano-stool d 6 -rhodium(III) complexes of chelating pyridine-based ligands and their papain bioconjugates for the catalysis of transfer hydrogenation of aryl ketones in aqueous medium. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.molcatb.2015.10.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
|
41
|
Zhang L, Qiu R, Xue X, Pan Y, Xu C, Li H, Xu L. Versatile (Pentamethylcyclopentadienyl)rhodium-2,2′-Bipyridine (Cp*Rh-bpy) Catalyst for Transfer Hydrogenation of N-Heterocycles in Water. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500491] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
42
|
Wang R, Ma J, Li F. Synthesis of a-Alkylated Ketones via Tandem Acceptorless Dehydrogenation/a-Alkylation from Secondary and Primary Alcohols Catalyzed by Metal–Ligand Bifunctional Iridium Complex [Cp*Ir(2,2′-bpyO)(H2O)]. J Org Chem 2015; 80:10769-76. [DOI: 10.1021/acs.joc.5b01975] [Citation(s) in RCA: 76] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Rongzhou Wang
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, People’s Republic of China
| | - Juan Ma
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, People’s Republic of China
| | - Feng Li
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, People’s Republic of China
- State
Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, People’s Republic of China
| |
Collapse
|
43
|
Paparo A, Silvia JS, Kefalidis CE, Spaniol TP, Maron L, Okuda J, Cummins CC. A Dimetalloxycarbene Bonding Mode and Reductive Coupling Mechanism for Oxalate Formation from CO2. Angew Chem Int Ed Engl 2015; 54:9115-9. [PMID: 26110967 DOI: 10.1002/anie.201502532] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2015] [Indexed: 02/03/2023]
Abstract
We describe the stable and isolable dimetalloxycarbene [(TiX3 )2 (μ2 -CO2 -κ(2) C,O:κO')] 5, where X=N-(tert-butyl)-3,5-dimethylanilide, which is stabilized by fluctuating μ2 -κ(2) C,O:κ(1) O' coordination of the carbene carbon to both titanium centers of the dinuclear complex 5, as shown by variable-temperature NMR studies. Quantum chemical calculations on the unmodified molecule indicated a higher energy of only +10.5 kJ mol(-1) for the μ2 -κ(1) O:κ(1) O' bonding mode of the free dimetalloxycarbene compared to the μ2 -κ(2) C,O:κ(1) O' bonding mode of the masked dimetalloxycarbene. The parent cationic bridging formate complex [(TiX3 )2 (μ2 -OCHO-κO:κO')][B(C6 F5)4], 4[B(C6 F5)4], was simply deprotonated with the strong base K(N(SiMe3 )2 ) to give 5. Complex 5 reacts smoothly with CO2 to generate the bridging oxalate complex [(TiX3 )2 (μ2 -C2 O4 -κO:κO'')], 6, in a C-C bond formation reaction commonly anticipated for oxalate formation by reductive coupling of CO2 on low-valent transition-metal complexes.
Collapse
Affiliation(s)
- Albert Paparo
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, 52056 Aachen (Germany)
| | - Jared S Silvia
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Ave, Cambridge, MA 02139 (USA)
| | - Christos E Kefalidis
- Université de Toulouse et CNRS, INSA, UPS, CNRS; UMR 5215 LPCNO, 135 Avenue de Rangueil, 31077 Toulouse (France)
| | - Thomas P Spaniol
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, 52056 Aachen (Germany)
| | - Laurent Maron
- Université de Toulouse et CNRS, INSA, UPS, CNRS; UMR 5215 LPCNO, 135 Avenue de Rangueil, 31077 Toulouse (France).
| | - Jun Okuda
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, 52056 Aachen (Germany).
| | - Christopher C Cummins
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Ave, Cambridge, MA 02139 (USA).
| |
Collapse
|
44
|
Paparo A, Silvia JS, Kefalidis CE, Spaniol TP, Maron L, Okuda J, Cummins CC. Ein Dimetalloxycarben-Bindungsmodus und der reduktive Kupplungsmechanismus zur Bildung von Oxalat ausgehend von CO2. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201502532] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
|
45
|
Affiliation(s)
- Dong Wang
- ISM, Université de Bordeaux, 351 Cours de la Libération, 33405 Talence Cedex, France
| | - Didier Astruc
- ISM, Université de Bordeaux, 351 Cours de la Libération, 33405 Talence Cedex, France
| |
Collapse
|
46
|
Freixa Z, Garralda MA. Insights into the use of [Ru(p-Cym)(bipy)Cl]Cl as precatalyst for solvolytic dehydrogenation of ammonia-borane. Inorganica Chim Acta 2015. [DOI: 10.1016/j.ica.2014.12.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
47
|
Li F, Lu L, Ma J. Acceptorless dehydrogenative condensation of o-aminobenzamides with aldehydes to quinazolinones in water catalyzed by a water-soluble iridium complex [Cp*Ir(H2O)3][OTf]2. Org Chem Front 2015. [DOI: 10.1039/c5qo00255a] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A general, efficient and environmentally benign method for the synthesis of quinazolinones via acceptorless dehydrogenative condensation of o-aminobenzamides with aldehydes in water has been accomplished.
Collapse
Affiliation(s)
- Feng Li
- School of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing 210094
- P. R. China
- State Key Laboratory of Fine Chemicals
| | - Lei Lu
- School of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing 210094
- P. R. China
| | - Juan Ma
- School of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing 210094
- P. R. China
| |
Collapse
|
48
|
Gunay A, Mantell MA, Field KD, Wu W, Chin M, Emmert MH. Oxidation catalysis in air with Cp*Ir: influence of added ligands and reaction conditions on catalytic activity and stability. Catal Sci Technol 2015. [DOI: 10.1039/c4cy01203h] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The systematic evaluation of Ir catalysts generates the highest reported TONs and a safe protocol for air oxidation.
Collapse
Affiliation(s)
- Ahmet Gunay
- Department of Chemistry and Biochemistry
- Worcester Polytechnic Institute
- Worcester
- USA
| | - Mark A. Mantell
- Department of Chemistry and Biochemistry
- Worcester Polytechnic Institute
- Worcester
- USA
| | - Kathleen D. Field
- Department of Chemistry and Biochemistry
- Worcester Polytechnic Institute
- Worcester
- USA
| | - Wenbo Wu
- Department of Chemistry and Biochemistry
- Worcester Polytechnic Institute
- Worcester
- USA
| | - Michael Chin
- Department of Chemistry and Biochemistry
- Worcester Polytechnic Institute
- Worcester
- USA
| | - Marion H. Emmert
- Department of Chemistry and Biochemistry
- Worcester Polytechnic Institute
- Worcester
- USA
| |
Collapse
|
49
|
Morris DM, McGeagh M, De Peña D, Merola JS. Extending the range of pentasubstituted cyclopentadienyl compounds: The synthesis of a series of tetramethyl(alkyl or aryl)cyclopentadienes (Cp ∗ R ), their iridium complexes and their catalytic activity for asymmetric transfer hydrogenation. Polyhedron 2014. [DOI: 10.1016/j.poly.2014.06.053] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
|
50
|
Direct Synthesis of Secondary Amines From Alcohols and Ammonia Catalyzed by a Ruthenium Pincer Complex. Catal Letters 2014. [DOI: 10.1007/s10562-014-1422-2] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
|