1
|
Ajayi T, Lough AJ, Morris RH. Mechanochemical Synthesis of Chromium(III) Complexes Containing Bidentate PN and Tridentate P-NH-P and P-NH-P' Ligands. ACS OMEGA 2024; 9:19690-19699. [PMID: 38708235 PMCID: PMC11064035 DOI: 10.1021/acsomega.4c02076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Revised: 04/02/2024] [Accepted: 04/05/2024] [Indexed: 05/07/2024]
Abstract
Chromium(III) complexes bearing bidentate {NH2(CH2)2PPh2: PN, (S,S)-[NH2(CHPh)2PPh2]: P'N} and tridentate [Ph2P(CH2)2N(H)(CH2)2PPh2: P-NH-P, (S,S)-(iPr)2PCH2CH2N(H)CH(Ph)CH(Ph)PPh2: P-NH-P'] ligands have been synthesized using a mechanochemical approach. The complexes {cis-[Cr(PN)Cl2]Cl (1), cis-[Cr(P'N)Cl2]Cl (2), mer-Cr(P-NH-P)Cl3 (3), and mer-Cr(P-NH-P')Cl3 (4)} were obtained in high yield (95-97%) via the grinding of the respective ligands andthe solid Cr(III) ion precursor [CrCl3(THF)3] with the aid of a pestle and mortar, followed by recrystallization in acetonitrile. The isolated complexes are high spin. A single-crystal X-ray diffraction study of 2 revealed a cationic chromium complex with two P'N ligands in a cis configuration with P' trans to P' with chloride as the counteranion. The X-ray study of 4 shows a neutral Cr(III) complex with the P-NH-P' ligand in a mer configuration. The difference in molecular structures and bulkiness of the ligands influence the electronic, magnetic, and electrochemical properties of the complexes as exhibited by the bathochromic shifts in the electronic absorption peaks of the complexes and the relative increase in the magnetic moment of 3 (4.19 μβ) and 4 (4.15 μβ) above the spin only value (3.88 μβ) for a d3 electronic configuration. Complexes 1-4 were found to be inactive in the hydrogenation of an aldimine [(E)-1-(4-fluorophenyl)-N-phenylmethanimine] under a variety of activating conditions. The addition of magnesium and trimethylsilyl chloride in THF did cause hydrogenation at room temperature, but this occurred even in the absence of the chromium complex. The hydrogen in the amine product came from the THF solvent in this novel reaction, as determined by deuterium incorporation into the product when deuterated THF was used.
Collapse
Affiliation(s)
- Tomilola
J. Ajayi
- Department of Chemistry, University
of Toronto, 80 Saint George Street, Toronto M5S3H6, Ontario, Canada
| | - Alan J. Lough
- Department of Chemistry, University
of Toronto, 80 Saint George Street, Toronto M5S3H6, Ontario, Canada
| | - Robert H. Morris
- Department of Chemistry, University
of Toronto, 80 Saint George Street, Toronto M5S3H6, Ontario, Canada
| |
Collapse
|
2
|
Ramspoth TF, Kootstra J, Harutyunyan SR. Unlocking the potential of metal ligand cooperation for enantioselective transformations. Chem Soc Rev 2024; 53:3216-3223. [PMID: 38381077 PMCID: PMC10985679 DOI: 10.1039/d3cs00998j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Indexed: 02/22/2024]
Abstract
Metal-ligand cooperation, in which both the metal and the ligand of a transition metal complex actively participate in chemical transformations leading to enhanced reactivity or selectivity in chemical reactions, has emerged as a powerful and versatile concept in catalysis. This Viewpoint discusses the development trajectory of transition metal-based complexes as catalysts in (de)hydrogenative processes, in particular those cases where metal-ligand cooperation has been invoked to rationalise the observed high reactivities and excellent selectivities. The historical context, mechanistic aspects and current applications are discussed with the suggestion to explore the potential of the MLC mode of action of such catalysts in enantioselective transformations beyond (de)hydrogenative processes.
Collapse
Affiliation(s)
- Tizian-Frank Ramspoth
- Institute for Chemistry, University of Groningen Institution Nijenborgh 4, 9747 AG, Groningen, The Netherlands.
| | - Johanan Kootstra
- Institute for Chemistry, University of Groningen Institution Nijenborgh 4, 9747 AG, Groningen, The Netherlands.
| | - Syuzanna R Harutyunyan
- Institute for Chemistry, University of Groningen Institution Nijenborgh 4, 9747 AG, Groningen, The Netherlands.
| |
Collapse
|
3
|
Yang L, Tan X, Zhao M, Wen J, Zhang X. A Tetradentate Ligand Enables Iron-Catalyzed Asymmetric Hydrogenation of Ketones in a CO- or Isocyanide-Free Fashion. Chemistry 2023; 29:e202301609. [PMID: 37486704 DOI: 10.1002/chem.202301609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 07/20/2023] [Accepted: 07/21/2023] [Indexed: 07/25/2023]
Abstract
We herein reported the design and synthesis of a ferrocene-based tetradentate ligand that is featured with modular synthesis and rigid skeleton. Its iron(II) complex facilitates asymmetric direct hydrogenation of ketones without the participation of extra strong-field ligand such as CO and isocyanide. Hydride donor lithium aluminum hydride (LAH) converted non-reactive Fe(II) species to reactive Fe(II) hydride species. With this catalyst, various chiral alcohols including the intermediate for montelukast could be prepared with satisfactory yields and enantioinduction.
Collapse
Affiliation(s)
- Lei Yang
- Department of chemistry, the Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Road, Shenzhen, 518055, China
| | - Xuefeng Tan
- Department of Chemistry, City University of Hong Kong Kowloon Tong, Hong Kong SAR, China
| | - Menglong Zhao
- Department of chemistry, the Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Road, Shenzhen, 518055, China
| | - Jialin Wen
- Department of chemistry, the Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Road, Shenzhen, 518055, China
- Current address: Jiangsu Hengrui Pharmaceuticals Co., Ltd. 7 Kunlunshan Road, Lianyungang, 222000, China
| | - Xumu Zhang
- Department of chemistry, the Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Road, Shenzhen, 518055, China
| |
Collapse
|
4
|
Gridnev ID. Co-Catalyzed Asymmetric Hydrogenation. The Same Enantioselection Pattern for Different Mechanisms. Int J Mol Sci 2023; 24:5568. [PMID: 36982642 PMCID: PMC10057697 DOI: 10.3390/ijms24065568] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 03/03/2023] [Accepted: 03/07/2023] [Indexed: 03/17/2023] Open
Abstract
The mechanism of the recently reported catalyzed asymmetric hydrogenation of enyne 1 catalyzed by the Co-(R,R)-QuinoxP* complex was studied by DFT. Conceivable pathways for the Co(I)-Co(III) mechanism were computed together with a Co(0)-Co(II) catalytic cycle. It is commonly assumed that the exact nature of the chemical transformations taking place along the actually operating catalytic pathway determine the sense and level of enantioselection of the catalytic reaction. In this work, two chemically different mechanisms reproduced the experimentally observed perfect stereoselection of the same handedness. Moreover, the relative stabilities of the transition states of the stereo induction stages were controlled via exactly the same weak disperse interactions between the catalyst and the substrate.
Collapse
Affiliation(s)
- Ilya D Gridnev
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospekt 47, 119911 Moscow, Russia
| |
Collapse
|
5
|
Pavlovic L, Mendelsohn LN, Zhong H, Chirik PJ, Hopmann KH. Cobalt-Catalyzed Asymmetric Hydrogenation of Enamides: Insights into Mechanisms and Solvent Effects. Organometallics 2022; 41:1872-1882. [PMID: 35915664 PMCID: PMC9335863 DOI: 10.1021/acs.organomet.2c00180] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Indexed: 11/28/2022]
Abstract
The mechanistic details of the (PhBPE)Co-catalyzed asymmetric hydrogenation of enamides are investigated using computational and experimental approaches. Four mechanistic possibilities are compared: a direct Co(0)/Co(II) redox path, a metathesis pathway, a nonredox Co(II) mechanism featuring an aza-metallacycle, and a possible enamide-imine tautomerization pathway. The results indicate that the operative mechanism may depend on the type of enamide. Explicit solvent is found to be crucial for the stabilization of transition states and for a proper estimation of the enantiomeric excess. The combined results highlight the complexity of base-metal-catalyzed hydrogenations but do also provide guiding principles for a mechanistic understanding of these systems, where protic substrates can be expected to open up nonredox hydrogenation pathways.
Collapse
Affiliation(s)
- Ljiljana Pavlovic
- Department
of Chemistry, UiT - The Arctic University
of Norway, N-9037 Tromsø, Norway
| | - Lauren N. Mendelsohn
- Department
of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Hongyu Zhong
- Department
of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Paul J. Chirik
- Department
of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Kathrin H. Hopmann
- Department
of Chemistry, UiT - The Arctic University
of Norway, N-9037 Tromsø, Norway
| |
Collapse
|
6
|
Gradiski MV, Rennie BE, Lough AJ, Morris RH. Electronic insights into aminoquinoline-based PN HN ligands: protonation state dictates geometry while coordination environment dictates N-H acidity and bond strength. Dalton Trans 2022; 51:11241-11254. [PMID: 35731231 DOI: 10.1039/d2dt01556k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A variety of transition metal complexes bearing aminoquinoline PNHH'-R ligands R = Ph (L1H), Cy (L2H) and their amido analogues are reported for rhodium(I) ([Rh(L1H)(PPh3)]+1 and Rh(L1)(PPh3) 2), cobalt(II) (Co(L2)(Cl) 3), and iron(II) ([Fe(L1H)2]2+5, Fe(L1)26, and [Fe(C5Me5)(L1H)]PF67). The acid-base and redox properties of the amido complexes 2, 6, and their protio parent complexes 1, and 5 permit the determination of the pKa and bond dissociation free energy (BDFE) of their N-H bonds while the ligand scaffold is coordinated to metal centres of square planar and octahedral geometry, respectively. From relative concentrations obtained by the use of 31P{1H} NMR spectroscopy, a pKaTHF value of 14 is calculated for rhodium complex 1, 6.4 for iron complex 5, and 24 for iron complex 7. These data, when combined with elecrochemical potentials obtained via cyclic voltammetry, allow the calculations of BDFE values for the N-H bond of 69 kcal mol-1 for 1, and of 55 kcal mol-1 for 5.
Collapse
Affiliation(s)
- Matthew V Gradiski
- Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, Ontario, M5S 3H6, Canada.
| | - Benjamin E Rennie
- Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, Ontario, M5S 3H6, Canada.
| | - Alan J Lough
- Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, Ontario, M5S 3H6, Canada.
| | - Robert H Morris
- Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, Ontario, M5S 3H6, Canada.
| |
Collapse
|
7
|
Zhang L, Chen Q, Li L, Jiang J, Sun H, Li L, Liu T, Zhang L, Li C. Ruthenium-catalyzed asymmetric hydrogenation of aromatic and heteroaromatic ketones using cinchona alkaloid-derived NNP ligands. RSC Adv 2022; 12:14912-14916. [PMID: 35702223 PMCID: PMC9115770 DOI: 10.1039/d2ra02211g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 05/09/2022] [Indexed: 11/21/2022] Open
Abstract
A series of cinchona alkaloid-based NNP ligands, including a new one, have been employed for the asymmetric hydrogenation of ketones. By combining ruthenium complexes, various aromatic and heteroaromatic ketones were smoothly reacted, yielding valuable chiral alcohols with extremely high 99.9% ee. Moreover, a proposed reaction mechanism was discussed and verified by NMR.
Collapse
Affiliation(s)
- Ling Zhang
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmaceutical Sciences, Guizhou Medical University 550004 Guiyang China
| | - Qian Chen
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmaceutical Sciences, Guizhou Medical University 550004 Guiyang China
| | - Linlin Li
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmaceutical Sciences, Guizhou Medical University 550004 Guiyang China
| | - Jian Jiang
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmaceutical Sciences, Guizhou Medical University 550004 Guiyang China
| | - Hao Sun
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmaceutical Sciences, Guizhou Medical University 550004 Guiyang China
| | - Li Li
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmaceutical Sciences, Guizhou Medical University 550004 Guiyang China
| | - Ting Liu
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmaceutical Sciences, Guizhou Medical University 550004 Guiyang China
| | - Lin Zhang
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmaceutical Sciences, Guizhou Medical University 550004 Guiyang China
| | - Chun Li
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmaceutical Sciences, Guizhou Medical University 550004 Guiyang China
| |
Collapse
|
8
|
Deng CQ, Liu J, Luo JH, Gan LJ, Deng J, Fu Y. Proton-Promoted Nickel-Catalyzed Asymmetric Hydrogenation of Aliphatic Ketoacids. Angew Chem Int Ed Engl 2022; 61:e202115983. [PMID: 35099846 DOI: 10.1002/anie.202115983] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Indexed: 12/26/2022]
Abstract
A robust and highly active homogeneous chiral nickel-phosphine complex for the asymmetric hydrogenation of aliphatic γ- and δ-ketoacids has been discovered. The hydrogenation could proceed smoothly in the presence of 0.0133 mol% catalyst loading (S/C=7500). The coordination chemistry and catalytic behavior of Ni(OTf)2 with (S,S)-Ph-BPE were explored by 1 H NMR and HRMS. The mechanistic studies revealed that a proton promoted the activation of the substrate C=O bond and controlled the stereoselectivity through hydrogen bonds. A series of chiral γ- and δ-alkyl substituted lactones were obtained in high yields with excellent enantioselectivities (up to 98 % yield and 99 % ee). In addition, this catalytic system also demonstrated that levulinic acid produced from a biomass feedstock was converted into chiral γ-valerolactone without loss of ee value.
Collapse
Affiliation(s)
- Chen-Qiang Deng
- Hefei National Laboratory for Physical Sciences at the Microscale, iChEM, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, Department of Applied Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Jiao Liu
- Hefei National Laboratory for Physical Sciences at the Microscale, iChEM, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, Department of Applied Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Jia-Hao Luo
- Hefei National Laboratory for Physical Sciences at the Microscale, iChEM, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, Department of Applied Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Li-Jin Gan
- Hefei National Laboratory for Physical Sciences at the Microscale, iChEM, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, Department of Applied Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Jin Deng
- Hefei National Laboratory for Physical Sciences at the Microscale, iChEM, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, Department of Applied Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Yao Fu
- Hefei National Laboratory for Physical Sciences at the Microscale, iChEM, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, Department of Applied Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
| |
Collapse
|
9
|
Deng C, Liu J, Luo J, Gan L, Deng J, Fu Y. Proton‐Promoted Nickel‐Catalyzed Asymmetric Hydrogenation of Aliphatic Ketoacids. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202115983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Chen‐Qiang Deng
- Hefei National Laboratory for Physical Sciences at the Microscale, iChEM CAS Key Laboratory of Urban Pollutant Conversion Anhui Province Key Laboratory of Biomass Clean Energy Department of Applied Chemistry University of Science and Technology of China Hefei Anhui 230026 China
| | - Jiao Liu
- Hefei National Laboratory for Physical Sciences at the Microscale, iChEM CAS Key Laboratory of Urban Pollutant Conversion Anhui Province Key Laboratory of Biomass Clean Energy Department of Applied Chemistry University of Science and Technology of China Hefei Anhui 230026 China
| | - Jia‐Hao Luo
- Hefei National Laboratory for Physical Sciences at the Microscale, iChEM CAS Key Laboratory of Urban Pollutant Conversion Anhui Province Key Laboratory of Biomass Clean Energy Department of Applied Chemistry University of Science and Technology of China Hefei Anhui 230026 China
| | - Li‐Jin Gan
- Hefei National Laboratory for Physical Sciences at the Microscale, iChEM CAS Key Laboratory of Urban Pollutant Conversion Anhui Province Key Laboratory of Biomass Clean Energy Department of Applied Chemistry University of Science and Technology of China Hefei Anhui 230026 China
| | - Jin Deng
- Hefei National Laboratory for Physical Sciences at the Microscale, iChEM CAS Key Laboratory of Urban Pollutant Conversion Anhui Province Key Laboratory of Biomass Clean Energy Department of Applied Chemistry University of Science and Technology of China Hefei Anhui 230026 China
| | - Yao Fu
- Hefei National Laboratory for Physical Sciences at the Microscale, iChEM CAS Key Laboratory of Urban Pollutant Conversion Anhui Province Key Laboratory of Biomass Clean Energy Department of Applied Chemistry University of Science and Technology of China Hefei Anhui 230026 China
| |
Collapse
|
10
|
Jayaprakash H. Mn(I) phosphine-amino-phosphinites: a highly modular class of pincer complexes for enantioselective transfer hydrogenation of aryl-alkyl ketones. Dalton Trans 2021; 50:14115-14119. [PMID: 34605841 PMCID: PMC8525186 DOI: 10.1039/d1dt02257a] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 09/01/2021] [Indexed: 12/22/2022]
Abstract
A series of Mn(I) catalysts with readily accessible and more π-accepting phosphine-amino-phosphinite (P'(O)N(H)P) pincer ligands have been explored for the asymmetric transfer hydrogenation of aryl-alkyl ketones which led to good to high enantioselectivities (up to 98%) compared to other reported Mn-based catalysts for such reactions. The easy tunability of the chiral backbone and the phosphine moieties makes P'(O)N(H)P an alternative ligand framework to the well-known PNP-type pincers.
Collapse
Affiliation(s)
- Harikrishnan Jayaprakash
- Department of Chemistry and Applied Biosciences, ETH Zürich, Wolfgang-Pauli-Str. 10, CH-8093 Zürich, Switzerland.
| |
Collapse
|
11
|
Wang H, Wen J, Zhang X. Chiral Tridentate Ligands in Transition Metal-Catalyzed Asymmetric Hydrogenation. Chem Rev 2021; 121:7530-7567. [PMID: 34014646 DOI: 10.1021/acs.chemrev.1c00075] [Citation(s) in RCA: 88] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Asymmetric hydrogenation (AH) of double bonds has been one of the most effective methods for the preparation of chiral molecules and for the synthesis of important chiral building blocks. In the past 60 years, noble metals with bidentate ligands have shown marvelous reactivity and enantioselectivity in asymmetric hydrogenation of a series of prochiral substrates. In recent years, developing chiral tridentate ligands has played an increasingly important role in AH. With modular frameworks and a variety of functionalities on the side arms, chiral tridentate ligand complexes enable both reactivities and stereoselectivities. Although great achievements have been made for noble metal catalysts with chiral tridentate ligands since the 1990s, the design of chiral tridentate ligands for earth abundant metal catalysts has still been in high demand. This review summarizes the development of chiral tridentate ligands for homogeneous asymmetric hydrogenation. The philosophy of ligand design and the reaction mechanisms are highlighted and discussed as well.
Collapse
Affiliation(s)
- Heng Wang
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China.,Department of Chemistry, Temple University, Philadelphia, Pennsylvania 19122, United States
| | - Jialin Wen
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China.,Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, Shenzhen 518055, China
| | - Xumu Zhang
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
| |
Collapse
|
12
|
Dai H, Li W, Krause JA, Guan H. Experimental Evidence of syn H–N–Fe–H Configurational Requirement for Iron-Based Bifunctional Hydrogenation Catalysts. Inorg Chem 2021; 60:6521-6535. [DOI: 10.1021/acs.inorgchem.1c00328] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Huiguang Dai
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Weishi Li
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Jeanette A. Krause
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Hairong Guan
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| |
Collapse
|
13
|
Du T, Wang B, Wang C, Xiao J, Tang W. Cobalt-catalyzed asymmetric hydrogenation of ketones: A remarkable additive effect on enantioselectivity. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.09.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
|
14
|
Morris RH. Focusing on transition metal hydride complexes. CAN J CHEM 2021. [DOI: 10.1139/cjc-2020-0507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Robert H. Morris
- Department of Chemistry, University of Toronto, 80 Saint George St., Toronto, ON M5S 3H6, Canada
- Department of Chemistry, University of Toronto, 80 Saint George St., Toronto, ON M5S 3H6, Canada
| |
Collapse
|
15
|
Seo CSG, Tsui BTH, Gradiski MV, Smith SAM, Morris RH. Enantioselective direct, base-free hydrogenation of ketones by a manganese amido complex of a homochiral, unsymmetrical P–N–P′ ligand. Catal Sci Technol 2021. [DOI: 10.1039/d1cy00446h] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Base-free direct hydrogenation of ketones using a Mn(PNP′)(CO)2 complex is more enantioselective than that of a related base-activated iron complex.
Collapse
|
16
|
Wen J, Wang F, Zhang X. Asymmetric hydrogenation catalyzed by first-row transition metal complexes. Chem Soc Rev 2021; 50:3211-3237. [DOI: 10.1039/d0cs00082e] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
This review focuses on asymmetric direct and transfer hydrogenation with first-row transition metal complexes. The reaction mechanisms and the models of enantiomeric induction were summarized and emphasized.
Collapse
Affiliation(s)
- Jialin Wen
- Department of Chemistry
- Guangdong Provincial Key Laboratory of Catalysis
- Southern University of Science and Technology
- Shenzhen
- China
| | - Fangyuan Wang
- Department of Chemistry
- Guangdong Provincial Key Laboratory of Catalysis
- Southern University of Science and Technology
- Shenzhen
- China
| | - Xumu Zhang
- Department of Chemistry
- Guangdong Provincial Key Laboratory of Catalysis
- Southern University of Science and Technology
- Shenzhen
- China
| |
Collapse
|
17
|
|
18
|
Rana S, Biswas JP, Paul S, Paik A, Maiti D. Organic synthesis with the most abundant transition metal–iron: from rust to multitasking catalysts. Chem Soc Rev 2021; 50:243-472. [DOI: 10.1039/d0cs00688b] [Citation(s) in RCA: 85] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The promising aspects of iron in synthetic chemistry are being explored for three-four decades as a green and eco-friendly alternative to late transition metals. This present review unveils these rich iron-chemistry towards different transformations.
Collapse
Affiliation(s)
- Sujoy Rana
- Department of Chemistry
- University of North Bengal
- Darjeeling
- India
| | | | - Sabarni Paul
- Department of Chemistry
- University of North Bengal
- Darjeeling
- India
| | - Aniruddha Paik
- Department of Chemistry
- University of North Bengal
- Darjeeling
- India
| | - Debabrata Maiti
- Department of Chemistry
- IIT Bombay
- Mumbai-400076
- India
- Tokyo Tech World Research Hub Initiative (WRHI)
| |
Collapse
|
19
|
Agbossou-Niedercorn F, Michon C. Bifunctional homogeneous catalysts based on first row transition metals in asymmetric hydrogenation. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2020.213523] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
|
20
|
Wang H, Zhang Y, Yang T, Guo X, Gong Q, Wen J, Zhang X. Chiral Electron-Rich PNP Ligand with a Phospholane Motif: Structural Features and Application in Asymmetric Hydrogenation. Org Lett 2020; 22:8796-8801. [DOI: 10.1021/acs.orglett.0c03159] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Heng Wang
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, China
- Department of Chemistry, Temple University, Philadelphia, Pennsylvania 19122, United States
| | - Yao Zhang
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, China
| | - Tilong Yang
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, China
| | - Xiaochong Guo
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, China
| | - Quan Gong
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, China
| | - Jialin Wen
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, China
- Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, Shenzhen 518055, China
| | - Xumu Zhang
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, China
| |
Collapse
|
21
|
Garhwal S, Kaushansky A, Fridman N, Shimon LJW, Ruiter GD. Facile H/D Exchange at (Hetero)Aromatic Hydrocarbons Catalyzed by a Stable Trans-Dihydride N-Heterocyclic Carbene (NHC) Iron Complex. J Am Chem Soc 2020; 142:17131-17139. [PMID: 32902969 PMCID: PMC7586338 DOI: 10.1021/jacs.0c07689] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
![]()
Earth-abundant
metal pincer complexes have played an important
role in homogeneous catalysis during the last ten years. Yet, despite
intense research efforts, the synthesis of iron PCcarbeneP pincer complexes has so far remained elusive. Here we report the
synthesis of the first PCNHCP functionalized iron complex
[(PCNHCP)FeCl2] (1) and the reactivity
of the corresponding trans-dihydride iron(II) dinitrogen
complex [(PCNHCP)Fe(H)2N2)] (2). Complex 2 is stable under an atmosphere of
N2 and is highly active for hydrogen isotope exchange at
(hetero)aromatic hydrocarbons under mild conditions (50 °C, N2). With benzene-d6 as the deuterium
source, easily reducible functional groups such as esters and amides
are well tolerated, contributing to the overall wide substrate scope
(e.g., halides, ethers, and amines). DFT studies suggest a complex
assisted σ-bond metathesis pathway for C(sp2)–H
bond activation, which is further discussed in this study.
Collapse
Affiliation(s)
- Subhash Garhwal
- Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Technion City, 3200008 Haifa, Israel
| | - Alexander Kaushansky
- Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Technion City, 3200008 Haifa, Israel
| | - Natalia Fridman
- Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Technion City, 3200008 Haifa, Israel
| | - Linda J W Shimon
- Department of Chemical Research Support, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Graham de Ruiter
- Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Technion City, 3200008 Haifa, Israel
| |
Collapse
|
22
|
Gradiski MV, Kharat AN, Ong MSE, Lough AJ, Smith SAM, Morris RH. A One-Step Preparation of Tetradentate Ligands with Nitrogen and Phosphorus Donors by Reductive Amination and Representative Iron Complexes. Inorg Chem 2020; 59:11041-11053. [PMID: 32687329 DOI: 10.1021/acs.inorgchem.0c01535] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The synthesis and use of the first examples of unsymmetrical, mixed phosphine donor tripodal NPP2' ligands N(CH2CH2PR2)2(CH2CH2PPh2) are presented. The ligands are synthesized via a convenient, one pot reductive amination using 2-(diphenylphosphino)ethylamine and various substituted phosphonium dimers in order to introduce mixed phosphine donors substituted with P/P', those being Ph/Cy (2), Ph/iPr (3), Ph/iBu (4), Ph/o-Tol (5), and Ph/p-Tol (6). Additionally, we have developed the first known synthesis of a symmetrical tripodal NP3 ligand N(CH2CH2PiBu2)3 using bench safe ammonium acetate as the lone nitrogen source (7). This new protocol eliminates the use of extremely dangerous nitrogen mustard reagents typically required to synthesize NP3 ligands. Some of these tetradentate ligands and also P2NN' ligands N(CH2-o-C5H4N)(CH2CH2PR2)2 (P2NN'-Cy, R = Cy; P2NN'-Ph, R = Ph) prepared by reductive amination using 2-picolylamine are used in the synthesis and reactions of iron complexes. FeCl2(P2NN'-Cy) (8) undergoes single halide abstraction with NaBPh4 to give the trigonal bipyramidal complex [FeCl(P2NN'-Cy)][BPh4] (9). Upon exposure to CO(g), complex 9 readily coordinates CO giving [FeCl(P2NN'-Cy)(CO)][BPh4] (10), and further treatment with an excess of NaBH4 results in formation of the hydride complex [Fe(H)(P2NN'-Cy)(CO)][BPh4] (11). Our previously reported complex FeCl2(P2NN'-Ph) undergoes double halide abstraction with NaBPh4 in the presence of the coordinating solvent to give [Fe(NCMe)2(P2NN'-Ph)][BPh4]2 (12). Ligand 3 can be coordinated to FeCl2, and upon sequential halide abstraction, treatment with NaBH4, and exposure to an atmosphere of dinitrogen, the dinitrogen hydride complex [Fe(H)(NPP2'-iPr)(N2)][BPh4] (13) is isolated. Our symmetrical NP3 ligand 7 can also be coordinated to FeCl2 and, upon exposure to an atmosphere of CO(g), selectively forms [FeCl(NP3)(CO)][BPh4] (14) after salt metathesis with NaBPh4. Complex 14 can be treated with an excess of NaBH4 to give the hydride complex [Fe(H)(NP3)(CO)][BPh4] (15), which can further be deprotonated/reduced to the Fe(0) complex Fe(NP3)(CO) (16) upon treatment with an excess of KH.
Collapse
Affiliation(s)
- Matthew V Gradiski
- Department of Chemistry, University of Toronto, 80 Saint George St., Toronto, Ontario, Canada, M5S 3H6
| | - Ali Nemati Kharat
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Maegan S E Ong
- Department of Chemistry, University of Toronto, 80 Saint George St., Toronto, Ontario, Canada, M5S 3H6
| | - Alan J Lough
- Department of Chemistry, University of Toronto, 80 Saint George St., Toronto, Ontario, Canada, M5S 3H6
| | - Samantha A M Smith
- Department of Chemistry, University of Toronto, 80 Saint George St., Toronto, Ontario, Canada, M5S 3H6
| | - Robert H Morris
- Department of Chemistry, University of Toronto, 80 Saint George St., Toronto, Ontario, Canada, M5S 3H6
| |
Collapse
|
23
|
Xue Q, Huo S, Wang T, Wang Z, Li J, Zhu M, Zuo W. Diastereoselective Synthesis of P‐Chirogenic and Atropisomeric 2,2′‐Bisphosphino‐1,1′‐binaphthyls Enabled by Internal Phosphine Oxide Directing Groups. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202001561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Qingquan Xue
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and EngineeringDonghua University Shanghai 201620 P. R. China
| | - Shangfei Huo
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and EngineeringDonghua University Shanghai 201620 P. R. China
| | - Tingyi Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and EngineeringDonghua University Shanghai 201620 P. R. China
| | - Zeming Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and EngineeringDonghua University Shanghai 201620 P. R. China
| | - Jianli Li
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of EducationKey Laboratory of Physico-Inorganic ChemistryCollege of Chemistry and Materials ScienceNorthwest University Xi'an 710127 P. R. China
| | - Meifang Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and EngineeringDonghua University Shanghai 201620 P. R. China
| | - Weiwei Zuo
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and EngineeringDonghua University Shanghai 201620 P. R. China
| |
Collapse
|
24
|
Xue Q, Huo S, Wang T, Wang Z, Li J, Zhu M, Zuo W. Diastereoselective Synthesis of P-Chirogenic and Atropisomeric 2,2'-Bisphosphino-1,1'-binaphthyls Enabled by Internal Phosphine Oxide Directing Groups. Angew Chem Int Ed Engl 2020; 59:8153-8159. [PMID: 32196883 DOI: 10.1002/anie.202001561] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Indexed: 11/08/2022]
Abstract
Diphosphine ligands that merge both axial and P-centered chirality may exhibit superior or unique properties. Herein we report the diastereoselective introduction of P-centered chirality at the 2-position of the axially chiral 2'-(phosphine oxide)-1,1'-binaphthyl scaffold. A lithium-bromide exchange reaction of a 2-bromo-2'-(phosphine oxide)-1,1'-binaphthyl and treatment with dichlorophosphines followed by a nucleophilic organometallic reagent afforded unsymmetrical 2-phosphino-2'-(phosphine oxide)-1,1'-binaphthyls with binaphthyl axial chirality and one or two phosphorus stereocenters with a variety of P substituents. The final diastereomerically pure 2,2'-bisphosphino-1,1'-binaphthyls were obtained by reduction of the phosphine oxide directing group. Preliminary results demonstrated that a ligand with this hybrid chirality could induce higher stereoselectivity in the metal-complex-catalyzed asymmetric hydrogenation of a dialkyl ketone.
Collapse
Affiliation(s)
- Qingquan Xue
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, P. R. China
| | - Shangfei Huo
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, P. R. China
| | - Tingyi Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, P. R. China
| | - Zeming Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, P. R. China
| | - Jianli Li
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education, Key Laboratory of Physico-Inorganic Chemistry, College of Chemistry and Materials Science, Northwest University, Xi'an, 710127, P. R. China
| | - Meifang Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, P. R. China
| | - Weiwei Zuo
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, P. R. China
| |
Collapse
|
25
|
Hydrogenation Reactions Catalyzed by PNP-Type Complexes Featuring a HN(CH2CH2PR2)2 Ligand. TOP ORGANOMETAL CHEM 2020. [DOI: 10.1007/3418_2020_63] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
|
26
|
Elsby MR, Baker RT. Strategies and mechanisms of metal–ligand cooperativity in first-row transition metal complex catalysts. Chem Soc Rev 2020; 49:8933-8987. [DOI: 10.1039/d0cs00509f] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The use of metal–ligand cooperation (MLC) by transition metal bifunctional catalysts has emerged at the forefront of homogeneous catalysis science.
Collapse
Affiliation(s)
- Matthew R. Elsby
- Department of Chemistry and Biomolecular Sciences and Centre for Catalysis Research and Innovation
- University of Ottawa
- Ottawa
- Canada
| | - R. Tom Baker
- Department of Chemistry and Biomolecular Sciences and Centre for Catalysis Research and Innovation
- University of Ottawa
- Ottawa
- Canada
| |
Collapse
|
27
|
Konrath R, Spannenberg A, Kamer PCJ. Preparation of a Series of Supported Nonsymmetrical PNP-Pincer Ligands and the Application in Ester Hydrogenation. Chemistry 2019; 25:15341-15350. [PMID: 31495988 PMCID: PMC6916561 DOI: 10.1002/chem.201903379] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Indexed: 12/23/2022]
Abstract
In contrast to their symmetrical analogues, nonsymmetrical PNP-type ligand motifs have been less investigated despite the modular pincer structure. However, the introduction of mixed phosphorus donor moieties provides access to a larger variety of PNP ligands. Herein, a facile solid-phase synthesis approach towards a diverse PNP-pincer ligand library of 14 members is reported. Contrary to often challenging workup procedures in solution-phase, only simple workup steps are required. The corresponding supported ruthenium-PNP catalysts are screened in ester hydrogenation. Usually, industrially applied heterogeneous catalysts require harsh conditions in this reaction (250-350 °C at 100-200 bar) often leading to reduced selectivities. Heterogenized reusable Ru-PNP catalysts are capable of reducing esters and lactones selectively under mild conditions.
Collapse
Affiliation(s)
- Robert Konrath
- School of ChemistryUniversity of St AndrewsNorth HaughSt AndrewsFifeKY16 9STUK
- Leibniz-Institut für Katalyse e. V. (LIKAT) an der Universität RostockAlbert-Einstein Strasse 29a18059RostockGermany
| | - Anke Spannenberg
- Leibniz-Institut für Katalyse e. V. (LIKAT) an der Universität RostockAlbert-Einstein Strasse 29a18059RostockGermany
| | - Paul C. J. Kamer
- Leibniz-Institut für Katalyse e. V. (LIKAT) an der Universität RostockAlbert-Einstein Strasse 29a18059RostockGermany
| |
Collapse
|
28
|
Passera A, Mezzetti A. Retracted: The Manganese(I)‐Catalyzed Asymmetric Transfer Hydrogenation of Ketones: Disclosing the Macrocylic Privilege. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201912605] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Alessandro Passera
- Departement Chemie und Angewandte Biowissenschaften Eidgenössische Technische Hochschule (ETH) Zürich 8093 Zürich Switzerland
| | - Antonio Mezzetti
- Departement Chemie und Angewandte Biowissenschaften Eidgenössische Technische Hochschule (ETH) Zürich 8093 Zürich Switzerland
| |
Collapse
|
29
|
Retracted: The Manganese(I)‐Catalyzed Asymmetric Transfer Hydrogenation of Ketones: Disclosing the Macrocylic Privilege. Angew Chem Int Ed Engl 2019; 59:187-191. [DOI: 10.1002/anie.201912605] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 11/08/2019] [Indexed: 12/22/2022]
|
30
|
Talasila DS, Queensen MJ, Barnes-Flaspoler M, Jurkowski K, Stephenson E, Rabus JM, Bauer EB. Ferrocenium Cations as Catalysts for the Etherification of Cyclopropyl-Substituted Propargylic Alcohols: Ene-yne Formation and Mechanistic Insights. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901330] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Deva Saroja Talasila
- University of Missouri - St. Louis; Department of Chemistry and Biochemistry; One University Boulevard 63121 St. Louis MO USA
| | - Matthew J. Queensen
- University of Missouri - St. Louis; Department of Chemistry and Biochemistry; One University Boulevard 63121 St. Louis MO USA
| | - Michael Barnes-Flaspoler
- University of Missouri - St. Louis; Department of Chemistry and Biochemistry; One University Boulevard 63121 St. Louis MO USA
| | - Kellsie Jurkowski
- University of Missouri - St. Louis; Department of Chemistry and Biochemistry; One University Boulevard 63121 St. Louis MO USA
| | - Evan Stephenson
- University of Missouri - St. Louis; Department of Chemistry and Biochemistry; One University Boulevard 63121 St. Louis MO USA
| | - Jordan M. Rabus
- University of Missouri - St. Louis; Department of Chemistry and Biochemistry; One University Boulevard 63121 St. Louis MO USA
| | - Eike B. Bauer
- University of Missouri - St. Louis; Department of Chemistry and Biochemistry; One University Boulevard 63121 St. Louis MO USA
| |
Collapse
|
31
|
Elsby MR, Ghostine K, Das UK, Gabidullin BM, Baker RT. Iron-SNS and -CNS Complexes: Selective Caryl–S Bond Cleavage and Amine-Borane Dehydrogenation Catalysis. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00524] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Matthew R. Elsby
- Department of Chemistry and Biomolecular Sciences and Centre for Catalysis Research and Innovation, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Karine Ghostine
- Department of Chemistry and Biomolecular Sciences and Centre for Catalysis Research and Innovation, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Uttam K. Das
- Department of Chemistry and Biomolecular Sciences and Centre for Catalysis Research and Innovation, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | | | - R. Tom Baker
- Department of Chemistry and Biomolecular Sciences and Centre for Catalysis Research and Innovation, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| |
Collapse
|
32
|
Qiu B, Wang W, Yang X. Computational Prediction of Ammonia-Borane Dehydrocoupling and Transfer Hydrogenation of Ketones and Imines Catalyzed by SCS Nickel Pincer Complexes. Front Chem 2019; 7:627. [PMID: 31572716 PMCID: PMC6753508 DOI: 10.3389/fchem.2019.00627] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Accepted: 08/30/2019] [Indexed: 11/22/2022] Open
Abstract
Inspired by the catalytic mechanism and active site structure of lactate racemase, three scorpion-like SCS nickel pincer complexes were proposed as potential catalysts for transfer hydrogenation of ketones and imines with ammonia-borane (AB) as the hydrogen source. Density functional theory calculations reveal a stepwise hydride and proton transfer mechanism for the dehydrocoupling of AB and hydrogenation of N-methylacetonimine, and a concerted proton-coupled hydride transfer process for hydrogenation of acetone, acetophenone, and 3-methyl-2-butanone. Among all proposed Ni complexes, the one with symmetric NH2 group on both arms of the SCS pincer ligand has the lowest free energy barrier of 15.0 kcal/mol for dehydrogenation of AB, as well as total free energy barriers of 17.8, 18.2, 18.0, and 18.6 kcal/mol for hydrogenation of acetone, N-methylacetonimine, acetophenone, and 3-methyl-2-butanone, respectively.
Collapse
Affiliation(s)
- Bing Qiu
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Wan Wang
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Xinzheng Yang
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| |
Collapse
|
33
|
Schnieders D, Tsui BTH, Sung MMH, Bortolus MR, Schrobilgen GJ, Neugebauer J, Morris RH. Metal Hydride Vibrations: The Trans Effect of the Hydride. Inorg Chem 2019; 58:12467-12479. [DOI: 10.1021/acs.inorgchem.9b02302] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- David Schnieders
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
- Center for Multiscale Theory and Computation, Corrensstraße 40, 48149 Münster, Germany
| | - Brian T. H. Tsui
- Department of Chemistry, University of Toronto, 80 St. George Street Toronto, Ontario M5S 3H6, Canada
| | - Molly M. H. Sung
- Department of Chemistry, University of Toronto, 80 St. George Street Toronto, Ontario M5S 3H6, Canada
| | - Mark R. Bortolus
- Department of Chemistry, McMaster University, Hamilton, Ontario L8S 4M1, Canada
| | - Gary J. Schrobilgen
- Department of Chemistry, McMaster University, Hamilton, Ontario L8S 4M1, Canada
| | - Johannes Neugebauer
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
- Center for Multiscale Theory and Computation, Corrensstraße 40, 48149 Münster, Germany
| | - Robert H. Morris
- Department of Chemistry, University of Toronto, 80 St. George Street Toronto, Ontario M5S 3H6, Canada
| |
Collapse
|
34
|
Seo CSG, Tannoux T, Smith SAM, Lough AJ, Morris RH. Enantioselective Hydrogenation of Activated Aryl Imines Catalyzed by an Iron(II) P-NH-P′ Complex. J Org Chem 2019; 84:12040-12049. [DOI: 10.1021/acs.joc.9b01964] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Chris S. G. Seo
- Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, Ontario, Canada M5S 3H6
| | - Thibault Tannoux
- UFR Sciences et Propriétés de la Matière, Université de Rennes 1, 35042 Rennes Cedex, France
| | - Samantha A. M. Smith
- Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, Ontario, Canada M5S 3H6
| | - Alan J. Lough
- Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, Ontario, Canada M5S 3H6
| | - Robert H. Morris
- Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, Ontario, Canada M5S 3H6
| |
Collapse
|
35
|
Passera A, Mezzetti A. Mn(I) and Fe(II)/PN(H)P Catalysts for the Hydrogenation of Ketones: A Comparison by Experiment and Calculation. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900671] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Alessandro Passera
- Department of Chemistry and Applied BiosciencesETH Zürich Zürich 8093 Switzerland
| | - Antonio Mezzetti
- Department of Chemistry and Applied BiosciencesETH Zürich Zürich 8093 Switzerland
| |
Collapse
|
36
|
Lator A, Gaillard QG, Mérel DS, Lohier JF, Gaillard S, Poater A, Renaud JL. Room-Temperature Chemoselective Reductive Alkylation of Amines Catalyzed by a Well-Defined Iron(II) Complex Using Hydrogen. J Org Chem 2019; 84:6813-6829. [DOI: 10.1021/acs.joc.9b00581] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Alexis Lator
- Normandie Univ., LCMT, ENSICAEN, UNICAEN, CNRS, 6 boulevard du Maréchal Juin, 14000 Caen, France
| | | | - Delphine S. Mérel
- Normandie Univ., LCMT, ENSICAEN, UNICAEN, CNRS, 6 boulevard du Maréchal Juin, 14000 Caen, France
| | - Jean-François Lohier
- Normandie Univ., LCMT, ENSICAEN, UNICAEN, CNRS, 6 boulevard du Maréchal Juin, 14000 Caen, France
| | - Sylvain Gaillard
- Normandie Univ., LCMT, ENSICAEN, UNICAEN, CNRS, 6 boulevard du Maréchal Juin, 14000 Caen, France
| | - Albert Poater
- Departament de Química, Institut de Química Computacional i Catàlisi (IQCC), University of Girona, c/Maria Aurèlia Capmany 69, 17003 Girona, Catalonia, Spain
| | - Jean-Luc Renaud
- Normandie Univ., LCMT, ENSICAEN, UNICAEN, CNRS, 6 boulevard du Maréchal Juin, 14000 Caen, France
| |
Collapse
|
37
|
|
38
|
Zhang L, Tang Y, Han Z, Ding K. Lutidine‐Based Chiral Pincer Manganese Catalysts for Enantioselective Hydrogenation of Ketones. Angew Chem Int Ed Engl 2019; 58:4973-4977. [DOI: 10.1002/anie.201814751] [Citation(s) in RCA: 113] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Indexed: 12/26/2022]
Affiliation(s)
- Linli Zhang
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Yitian Tang
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
- School of Physical Science and TechnologyShanghaiTech University Shanghai 201210 China
| | - Zhaobin Han
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Kuiling Ding
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
- University of Chinese Academy of Sciences Beijing 100049 China
- School of Physical Science and TechnologyShanghaiTech University Shanghai 201210 China
- Collaborative Innovation Center of Chemical Science and EngineeringNankai University Tianjin 300071 China
| |
Collapse
|
39
|
Zhang L, Tang Y, Han Z, Ding K. Lutidine‐Based Chiral Pincer Manganese Catalysts for Enantioselective Hydrogenation of Ketones. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201814751] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Linli Zhang
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Yitian Tang
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
- School of Physical Science and TechnologyShanghaiTech University Shanghai 201210 China
| | - Zhaobin Han
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Kuiling Ding
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
- University of Chinese Academy of Sciences Beijing 100049 China
- School of Physical Science and TechnologyShanghaiTech University Shanghai 201210 China
- Collaborative Innovation Center of Chemical Science and EngineeringNankai University Tianjin 300071 China
| |
Collapse
|
40
|
Garbe M, Wei Z, Tannert B, Spannenberg A, Jiao H, Bachmann S, Scalone M, Junge K, Beller M. Enantioselective Hydrogenation of Ketones using Different Metal Complexes with a Chiral PNP Pincer Ligand. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201801511] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Marcel Garbe
- Leibniz-Institut für Katalyse e. V. an derUniversität Rostock Albert-Einstein Straße 29a Rostock 18059 Germany
| | - Zhihong Wei
- Leibniz-Institut für Katalyse e. V. an derUniversität Rostock Albert-Einstein Straße 29a Rostock 18059 Germany
| | - Bianca Tannert
- Leibniz-Institut für Katalyse e. V. an derUniversität Rostock Albert-Einstein Straße 29a Rostock 18059 Germany
| | - Anke Spannenberg
- Leibniz-Institut für Katalyse e. V. an derUniversität Rostock Albert-Einstein Straße 29a Rostock 18059 Germany
| | - Haijun Jiao
- Leibniz-Institut für Katalyse e. V. an derUniversität Rostock Albert-Einstein Straße 29a Rostock 18059 Germany
| | - Stephan Bachmann
- F. Hoffmann-La Roche LtdProcess Chemistry and Catalysis Grenzacherstrasse 124 CH-4070 Basel Switzerland
| | - Michelangelo Scalone
- F. Hoffmann-La Roche LtdProcess Chemistry and Catalysis Grenzacherstrasse 124 CH-4070 Basel Switzerland
| | - Kathrin Junge
- Leibniz-Institut für Katalyse e. V. an derUniversität Rostock Albert-Einstein Straße 29a Rostock 18059 Germany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e. V. an derUniversität Rostock Albert-Einstein Straße 29a Rostock 18059 Germany
| |
Collapse
|
41
|
Computational Design of SCS Nickel Pincer Complexes for the Asymmetric Transfer Hydrogenation of 1-Acetonaphthone. Catalysts 2019. [DOI: 10.3390/catal9010101] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Inspired by the active site structures of lactate racemase and recently reported sulphur–carbon–sulphur (SCS) nickel pincer complexes, a series of scorpion-like SCS nickel pincer complexes with an imidazole tail and asymmetric claws was proposed and examined computationally as potential catalysts for the asymmetric transfer hydrogenation of 1-acetonaphthone. Density functional theory calculations reveal a proton-coupled hydride transfer mechanism for the dehydrogenation of (R)-(+)-1-phenyl-ethanol and the hydrogenation of 1-acetonaphthone to produce (R)-(+)-1-(2-naphthyl)ethanol and (S)-(−)-1-(2-naphthyl)ethanol. Among all proposed Ni complexes, 1Ph is the most active one with a rather low free energy barrier of 24 kcal/mol and high enantioselectivity of near 99% enantiomeric excess (ee) for the hydrogenation of prochiral ketones to chiral alcohols.
Collapse
|
42
|
De Luca L, Passera A, Mezzetti A. Asymmetric Transfer Hydrogenation with a Bifunctional Iron(II) Hydride: Experiment Meets Computation. J Am Chem Soc 2019; 141:2545-2556. [DOI: 10.1021/jacs.8b12506] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Lorena De Luca
- Department of Chemistry and Applied Biosciences, ETH Zurich, Zurich 8093, Switzerland
| | - Alessandro Passera
- Department of Chemistry and Applied Biosciences, ETH Zurich, Zurich 8093, Switzerland
| | - Antonio Mezzetti
- Department of Chemistry and Applied Biosciences, ETH Zurich, Zurich 8093, Switzerland
| |
Collapse
|
43
|
Bifunctional aliphatic PNP pincer catalysts for hydrogenation: Mechanisms and scope. ADVANCES IN INORGANIC CHEMISTRY 2019. [DOI: 10.1016/bs.adioch.2018.10.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
|
44
|
Huber R, Passera A, Mezzetti A. Which future for stereogenic phosphorus? Lessons from P* pincer complexes of iron(ii). Chem Commun (Camb) 2019; 55:9251-9266. [DOI: 10.1039/c9cc03910d] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Locking the chelate conformation and supplying steric bulk for enantiodiscrimination: a tough task for stereogenic phosphorus in multidentate ligands.
Collapse
Affiliation(s)
- Raffael Huber
- Department of Chemistry and Applied Biosciences
- ETH Zürich
- CH-8093 Zürich
- Switzerland
| | - Alessandro Passera
- Department of Chemistry and Applied Biosciences
- ETH Zürich
- CH-8093 Zürich
- Switzerland
| | - Antonio Mezzetti
- Department of Chemistry and Applied Biosciences
- ETH Zürich
- CH-8093 Zürich
- Switzerland
| |
Collapse
|
45
|
Widegren MB, Clarke ML. Towards practical earth abundant reduction catalysis: design of improved catalysts for manganese catalysed hydrogenation. Catal Sci Technol 2019. [DOI: 10.1039/c9cy01601e] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Rational design using kinetic studies has led to a 3-fold-increase in the reaction-rates compared to an already-promising lead catalyst for the reduction of ketones and esters.
Collapse
|
46
|
Morris RH. Physical insights into mechanistic processes in organometallic chemistry: an introduction. Faraday Discuss 2019; 220:10-27. [DOI: 10.1039/c9fd00083f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Mechanistic studies of late transition metal hydride homogeneous catalysts – 3d versus 4d metals.
Collapse
|
47
|
Gradiski MV, Tsui BTH, Lough AJ, Morris RH. PNN′ & P2NN′ ligands via reductive amination with phosphine aldehydes: synthesis and base-metal coordination chemistry. Dalton Trans 2019; 48:2150-2159. [DOI: 10.1039/c8dt04058c] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Phosphorus-donor “arms” are readily added to amines in order to enable sturdy base metal coordination.
Collapse
Affiliation(s)
| | | | - Alan J. Lough
- Department of Chemistry
- University of Toronto
- Toronto
- Canada
| | | |
Collapse
|
48
|
Alig L, Fritz M, Schneider S. First-Row Transition Metal (De)Hydrogenation Catalysis Based On Functional Pincer Ligands. Chem Rev 2018; 119:2681-2751. [PMID: 30596420 DOI: 10.1021/acs.chemrev.8b00555] [Citation(s) in RCA: 503] [Impact Index Per Article: 83.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The use of 3d metals in de/hydrogenation catalysis has emerged as a competitive field with respect to "traditional" precious metal catalyzed transformations. The introduction of functional pincer ligands that can store protons and/or electrons as expressed by metal-ligand cooperativity and ligand redox-activity strongly stimulated this development as a conceptual starting point for rational catalyst design. This review aims at providing a comprehensive picture of the utilization of functional pincer ligands in first-row transition metal hydrogenation and dehydrogenation catalysis and related synthetic concepts relying on these such as the hydrogen borrowing methodology. Particular emphasis is put on the implementation and relevance of cooperating and redox-active pincer ligands within the mechanistic scenarios.
Collapse
Affiliation(s)
- Lukas Alig
- Universität Göttingen , Institut für Anorganische Chemie , Tammannstrasse 4 , D-37077 Göttingen , Germany
| | - Maximilian Fritz
- Universität Göttingen , Institut für Anorganische Chemie , Tammannstrasse 4 , D-37077 Göttingen , Germany
| | - Sven Schneider
- Universität Göttingen , Institut für Anorganische Chemie , Tammannstrasse 4 , D-37077 Göttingen , Germany
| |
Collapse
|
49
|
Seo CSG, Morris RH. Catalytic Homogeneous Asymmetric Hydrogenation: Successes and Opportunities. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00774] [Citation(s) in RCA: 135] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Chris S. G. Seo
- Department of Chemistry, University of Toronto, M5S3H6 Toronto, Ontario, Canada
| | - Robert H. Morris
- Department of Chemistry, University of Toronto, M5S3H6 Toronto, Ontario, Canada
| |
Collapse
|
50
|
Affiliation(s)
- Duo Wei
- Univ Rennes, CNRS, ISCR-UMR 6226, F-35000 Rennes, France
| | | |
Collapse
|