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Császár Z, Guóth M, Kovács M, Bényei AC, Bakos J, Farkas G. Asymmetric Hydrogenation of Ketones by Simple Alkane-Diyl-Based Ir(P,N,O) Catalysts: A Comparative Study. Molecules 2024; 29:3743. [PMID: 39202822 PMCID: PMC11357652 DOI: 10.3390/molecules29163743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2024] [Revised: 07/29/2024] [Accepted: 08/06/2024] [Indexed: 09/03/2024] Open
Abstract
The development of new chiral ligands with simple and modular structure represents a challenging direction in the design of efficient homogeneous transition metal catalysts. Herein, we report on the asymmetric hydrogenation of prochiral ketones catalyzed by the iridium complexes of simple alkane-diyl-based P,N,O-type chiral ligands with a highly modular structure. The role of (i) the P-N and N-O backbone in the potentially tridentate ligands, (ii) the number, position and relative configuration of their stereogenic elements and (iii) the effect of their NH and OH subunits on the activity and enantioselectivity of the catalytic reactions are studied. The systematic variation in the ligand structure and the comparative catalytic experiments shed light on different mechanistic aspects of the iridium-catalyzed reaction. The catalysts containing the simple alkane-diyl-based ligands with central chirality provided high enantioselectivities (up to 98% ee) under optimized reaction conditions and proved to be active and selective even at very high substrate concentrations (100 mmol substrate/mL solvent).
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Affiliation(s)
- Zsófia Császár
- Research Group of Organic Chemistry—Synthesis and Catalysis, University of Pannonia, Egyetem u. 10, H-8200 Veszprém, Hungary; (Z.C.); (M.G.)
| | - Mária Guóth
- Research Group of Organic Chemistry—Synthesis and Catalysis, University of Pannonia, Egyetem u. 10, H-8200 Veszprém, Hungary; (Z.C.); (M.G.)
| | - Margit Kovács
- NMR Laboratory, University of Pannonia, Egyetem u. 10, H-8200 Veszprém, Hungary;
| | - Attila C. Bényei
- Department of Physical Chemistry, University of Debrecen, Egyetem tér 1, H-4032 Debrecen, Hungary;
| | - József Bakos
- Research Group of Organic Chemistry—Synthesis and Catalysis, University of Pannonia, Egyetem u. 10, H-8200 Veszprém, Hungary; (Z.C.); (M.G.)
| | - Gergely Farkas
- Research Group of Organic Chemistry—Synthesis and Catalysis, University of Pannonia, Egyetem u. 10, H-8200 Veszprém, Hungary; (Z.C.); (M.G.)
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2
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Yin C, Zhang R, Pan Y, Gao S, Ding X, Bai ST, Lang Q, Zhang X. PPM Ir-f-phamidol-Catalyzed Asymmetric Hydrogenation of γ-Amino Ketones Followed by Stereoselective Cyclization for Construction of Chiral 2-Aryl-pyrrolidine Pharmacophores. J Org Chem 2024; 89:527-533. [PMID: 38095905 DOI: 10.1021/acs.joc.3c02274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2024]
Abstract
Transition metal catalysts with a million turnovers and excellent selectivity are rarely reported but are crucial for the industrial manufacture of optical pure pharmaceuticals, natural products, and fine chemicals. In this paper, we report an unprecedented aninoic Ir-f-phamidol catalyst for asymmetric hydrogenation of γ-amino ketones followed by stereoselective cyclization for construction of valuable chiral 2-aryl-pyrrolidine pharmacophores. The Ir-f-phamidol catalyst showed up to 1,000,000 TON and >99% ee, as well as excellent tolerance of substrates and protecting groups, providing various chiral amino alcohol intermediates. Upon optimization of the conditions, the stereoselective cyclization reaction was highly smooth and efficient (quantitative conversions, 92 to >99% ee). Finally, this solution was applied in the preparation of high-value chiral entities containing such chiral 2-aryl-pyrrolidine pharmacophores.
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Affiliation(s)
- Congcong Yin
- Department of Chemistry and Department of Chemistry and Medi-X PingShan, Southern University of Science and Technology, Shenzhen 518055, China
- Research Center of Green Pharmaceutical Technology and Process, Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang 443002, China
| | - Runtong Zhang
- Department of Chemistry and Department of Chemistry and Medi-X PingShan, Southern University of Science and Technology, Shenzhen 518055, China
- Center for Carbon-Neutrality Catalysis and Engineering and Institute of Carbon-Neutral Technology, Shenzhen Polytechnic University, Shenzhen 518055, China
| | - Yingmin Pan
- Department of Chemistry and Department of Chemistry and Medi-X PingShan, Southern University of Science and Technology, Shenzhen 518055, China
| | - Shuang Gao
- Department of Chemistry and Department of Chemistry and Medi-X PingShan, Southern University of Science and Technology, Shenzhen 518055, China
| | - Xiaobing Ding
- Department of Chemistry and Department of Chemistry and Medi-X PingShan, Southern University of Science and Technology, Shenzhen 518055, China
| | - Shao-Tao Bai
- Center for Carbon-Neutrality Catalysis and Engineering and Institute of Carbon-Neutral Technology, Shenzhen Polytechnic University, Shenzhen 518055, China
| | - Qiwei Lang
- Department of Chemistry and Department of Chemistry and Medi-X PingShan, Southern University of Science and Technology, Shenzhen 518055, China
| | - Xumu Zhang
- Department of Chemistry and Department of Chemistry and Medi-X PingShan, Southern University of Science and Technology, Shenzhen 518055, China
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3
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Zhang L, Liu C, Sun M, Liang C, Cao L, Yao X, Ma Y, Cheng R, Ye J. Iridium-Catalyzed Asymmetric Hydrogenation of Simple Ketones with Tridentate PNN Ligands Bearing Unsymmetrical Vicinal Diamines. J Org Chem 2023. [PMID: 36787380 DOI: 10.1021/acs.joc.2c02676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
An iridium catalytic system with a ferrocene-based phosphine ligand bearing a modular and tunable unsymmetrical vicinal diamine scaffold was developed for the asymmetric hydrogenation of aryl ketones. This approach provided a powerful tool for the enantioselective synthesis of diverse chiral alcohols with excellent reactivity and enantioselectivity (up to 99% yield, up to 99% ee, and up to 50,000 turnover number). The substituents and chirality of unsymmetrical diamines in ligands played an important role in the satisfactory results.
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Affiliation(s)
- Lei Zhang
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Chengyu Liu
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Maolin Sun
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Chaoming Liang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Liming Cao
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Xiantong Yao
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Yueyue Ma
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Ruihua Cheng
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Jinxing Ye
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China.,School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
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4
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Niu T, Liu LX, Wu B, Zhou YG. Synthesis of Tridentate PNO Ligands with Planar Chirality and Application in Iridium-Catalyzed Asymmetric Hydrogenation of Simple Ketones. J Org Chem 2023. [PMID: 36802570 DOI: 10.1021/acs.joc.2c02358] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
A series of [2,2]paracyclophane-based tridentate PNO ligands with planar chirality were designed and synthesized. The easily prepared chiral tridentate PNO ligands were successfully applied to the iridium-catalyzed asymmetric hydrogenation of simple ketones, giving chiral alcohols with high efficiency and excellent enantioselectivities (up to 99% yield and >99% ee). Control experiments revealed the indispensability of both N-H and O-H in the ligands.
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Affiliation(s)
- Tong Niu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning 116023, P. R. China.,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Li-Xia Liu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning 116023, P. R. China
| | - Bo Wu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning 116023, P. R. China
| | - Yong-Gui Zhou
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning 116023, P. R. China
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5
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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.
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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
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7
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Murayama H, Heike Y, Higashida K, Shimizu Y, Yodsin N, Wongnongwa Y, Jungsuttiwong S, Mori S, Sawamura M. Iridium‐Catalyzed Enantioselective Transfer Hydrogenation of Ketones Controlled by Alcohol Hydrogen‐Bonding and
sp
3
‐C−H Noncovalent Interactions. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000615] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Hiroaki Murayama
- Department of Chemistry Faculty of Science Hokkaido University Sapporo 060-0810 Japan
| | - Yoshito Heike
- Department of Chemistry Faculty of Science Hokkaido University Sapporo 060-0810 Japan
| | - Kosuke Higashida
- Department of Chemistry Faculty of Science Hokkaido University Sapporo 060-0810 Japan
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD) Hokkaido University Sapporo 001-0021 Japan
| | - Yohei Shimizu
- Department of Chemistry Faculty of Science Hokkaido University Sapporo 060-0810 Japan
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD) Hokkaido University Sapporo 001-0021 Japan
| | - Nuttapon Yodsin
- Center for Organic Electronic and Alternative Energy Department of Chemistry and Center of Excellence for Innovation in Chemistry Faculty of Science Ubon Ratchathani University Ubon Ratchathani 34190 Thailand
| | - Yutthana Wongnongwa
- Center for Organic Electronic and Alternative Energy Department of Chemistry and Center of Excellence for Innovation in Chemistry Faculty of Science Ubon Ratchathani University Ubon Ratchathani 34190 Thailand
| | - Siriporn Jungsuttiwong
- Center for Organic Electronic and Alternative Energy Department of Chemistry and Center of Excellence for Innovation in Chemistry Faculty of Science Ubon Ratchathani University Ubon Ratchathani 34190 Thailand
| | - Seiji Mori
- Institute of Quantum Beam Science Ibaraki University Mito Ibaraki 310-8512 Japan
| | - Masaya Sawamura
- Department of Chemistry Faculty of Science Hokkaido University Sapporo 060-0810 Japan
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD) Hokkaido University Sapporo 001-0021 Japan
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8
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Zhou Q, Meng W, Feng X, Du H, Yang J. Chiral phosphoric acid catalyzed asymmetric transfer hydrogenation of bulky aryl ketones with ammonia borane. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2019.151394] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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9
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Wang J, Wu K, Qi X. Theoretical study of the ligand effect on NHC–cobalt-catalyzed hydrogenation of ketones. Catal Sci Technol 2019. [DOI: 10.1039/c9cy01239g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Theoretical study of ketone hydrogenation revealed that the catalyst regeneration step is more sensitive to the ligand effect.
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Affiliation(s)
- Juan Wang
- Key Laboratory for Material Chemistry of Energy Conversion and Storage, Ministry of Education
- School of Chemistry and Chemical Engineering
- Huazhong University of Science and Technology
- Wuhan 430074
- China
| | - Kangbing Wu
- Key Laboratory for Material Chemistry of Energy Conversion and Storage, Ministry of Education
- School of Chemistry and Chemical Engineering
- Huazhong University of Science and Technology
- Wuhan 430074
- China
| | - Xiaotian Qi
- Department of Chemistry
- University of Pittsburgh
- Pittsburgh
- USA
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10
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Hey DA, Reich RM, Baratta W, Kühn FE. Current advances on ruthenium(II) N-heterocyclic carbenes in hydrogenation reactions. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2018.06.005] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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11
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Wang Y, Yang G, Xie F, Zhang W. A Ferrocene-Based NH-Free Phosphine-Oxazoline Ligand for Iridium-Catalyzed Asymmetric Hydrogenation of Ketones. Org Lett 2018; 20:6135-6139. [DOI: 10.1021/acs.orglett.8b02591] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Yanzhao Wang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P. R. China
| | - Guoqiang Yang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P. R. China
| | - Fang Xie
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P. R. China
| | - Wanbin Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P. R. China
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12
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Liang Z, Yang T, Gu G, Dang L, Zhang X. Scope and Mechanism on Iridium-f-Amphamide Catalyzed Asymmetric Hydrogenation of Ketones. CHINESE J CHEM 2018. [DOI: 10.1002/cjoc.201800129] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Zhiqin Liang
- Department of Chemistry; Southern University of Science and Technology, 1088 Xueyuan Rd, Nanshan District; Shenzhen Guangdong 518055 China
| | - Tilong Yang
- Department of Chemistry; Southern University of Science and Technology, 1088 Xueyuan Rd, Nanshan District; Shenzhen Guangdong 518055 China
| | - Guoxian Gu
- Department of Chemistry; Southern University of Science and Technology, 1088 Xueyuan Rd, Nanshan District; Shenzhen Guangdong 518055 China
| | - Li Dang
- Department of Chemistry; Southern University of Science and Technology, 1088 Xueyuan Rd, Nanshan District; Shenzhen Guangdong 518055 China
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province; Shantou University; Shantou Guangdong 515063 China
| | - Xumu Zhang
- Department of Chemistry; Southern University of Science and Technology, 1088 Xueyuan Rd, Nanshan District; Shenzhen Guangdong 518055 China
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13
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Widegren MB, Harkness GJ, Slawin AMZ, Cordes DB, Clarke ML. A Highly Active Manganese Catalyst for Enantioselective Ketone and Ester Hydrogenation. Angew Chem Int Ed Engl 2017; 56:5825-5828. [DOI: 10.1002/anie.201702406] [Citation(s) in RCA: 176] [Impact Index Per Article: 25.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Indexed: 12/20/2022]
Affiliation(s)
- Magnus B. Widegren
- School of Chemistry; University of St Andrews; EaStCHEM St Andrews, Fife KY16 9ST UK
| | - Gavin J. Harkness
- School of Chemistry; University of St Andrews; EaStCHEM St Andrews, Fife KY16 9ST UK
| | | | - David B. Cordes
- School of Chemistry; University of St Andrews; EaStCHEM St Andrews, Fife KY16 9ST UK
| | - Matthew L. Clarke
- School of Chemistry; University of St Andrews; EaStCHEM St Andrews, Fife KY16 9ST UK
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14
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Widegren MB, Harkness GJ, Slawin AMZ, Cordes DB, Clarke ML. A Highly Active Manganese Catalyst for Enantioselective Ketone and Ester Hydrogenation. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201702406] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Magnus B. Widegren
- School of Chemistry; University of St Andrews; EaStCHEM St Andrews, Fife KY16 9ST UK
| | - Gavin J. Harkness
- School of Chemistry; University of St Andrews; EaStCHEM St Andrews, Fife KY16 9ST UK
| | | | - David B. Cordes
- School of Chemistry; University of St Andrews; EaStCHEM St Andrews, Fife KY16 9ST UK
| | - Matthew L. Clarke
- School of Chemistry; University of St Andrews; EaStCHEM St Andrews, Fife KY16 9ST UK
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15
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Yu J, Long J, Yang Y, Wu W, Xue P, Chung LW, Dong XQ, Zhang X. Iridium-Catalyzed Asymmetric Hydrogenation of Ketones with Accessible and Modular Ferrocene-Based Amino-phosphine Acid (f-Ampha) Ligands. Org Lett 2017; 19:690-693. [DOI: 10.1021/acs.orglett.6b03862] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jianfei Yu
- College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, P. R. China
| | - Jiao Long
- College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, P. R. China
| | - Yuhong Yang
- Department
of Chemistry, South University of Science and Technology of China, Shenzhen, Guangdong 518055, P. R. China
| | - Weilong Wu
- College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, P. R. China
| | - Peng Xue
- College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, P. R. China
| | - Lung Wa Chung
- Department
of Chemistry, South University of Science and Technology of China, Shenzhen, Guangdong 518055, P. R. China
| | - Xiu-Qin Dong
- College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, P. R. China
| | - Xumu Zhang
- College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, P. R. China
- Department
of Chemistry, South University of Science and Technology of China, Shenzhen, Guangdong 518055, P. R. China
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16
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Hou C, Jiang J, Li Y, Zhao C, Ke Z. When Bifunctional Catalyst Encounters Dual MLC Modes: DFT Study on the Mechanistic Preference in Ru-PNNH Pincer Complex Catalyzed Dehydrogenative Coupling Reaction. ACS Catal 2016. [DOI: 10.1021/acscatal.6b02505] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Cheng Hou
- MOE Key Laboratory of Bioinorganic
and Synthetic Chemistry, School of Chemistry, School of Materials
Science and Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Jingxing Jiang
- MOE Key Laboratory of Bioinorganic
and Synthetic Chemistry, School of Chemistry, School of Materials
Science and Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Yinwu Li
- MOE Key Laboratory of Bioinorganic
and Synthetic Chemistry, School of Chemistry, School of Materials
Science and Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Cunyuan Zhao
- MOE Key Laboratory of Bioinorganic
and Synthetic Chemistry, School of Chemistry, School of Materials
Science and Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Zhuofeng Ke
- MOE Key Laboratory of Bioinorganic
and Synthetic Chemistry, School of Chemistry, School of Materials
Science and Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
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17
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Yu J, Duan M, Wu W, Qi X, Xue P, Lan Y, Dong XQ, Zhang X. Readily Accessible and Highly Efficient Ferrocene-Based Amino-Phosphine-Alcohol (f-Amphol) Ligands for Iridium-Catalyzed Asymmetric Hydrogenation of Simple Ketones. Chemistry 2016; 23:970-975. [DOI: 10.1002/chem.201604855] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Jianfei Yu
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan, Hubei 430072 P.R. China
| | - Meng Duan
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing 400030 P.R. China
| | - Weilong Wu
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan, Hubei 430072 P.R. China
| | - Xiaotian Qi
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing 400030 P.R. China
| | - Peng Xue
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan, Hubei 430072 P.R. China
| | - Yu Lan
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing 400030 P.R. China
| | - Xiu-Qin Dong
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan, Hubei 430072 P.R. China
| | - Xumu Zhang
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan, Hubei 430072 P.R. China
- Department of Chemistry; South University of Science and Technology of China, Shenzhen; Guangdong 518055 P. R. China
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18
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Hou C, Zhang Z, Zhao C, Ke Z. DFT Study of Acceptorless Alcohol Dehydrogenation Mediated by Ruthenium Pincer Complexes: Ligand Tautomerization Governing Metal Ligand Cooperation. Inorg Chem 2016; 55:6539-51. [DOI: 10.1021/acs.inorgchem.6b00723] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Cheng Hou
- MOE Key Laboratory of Bioinorganic
and Synthetic Chemistry, School of Chemistry and Chemical Engineering,
School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Zhihan Zhang
- MOE Key Laboratory of Bioinorganic
and Synthetic Chemistry, School of Chemistry and Chemical Engineering,
School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Cunyuan Zhao
- MOE Key Laboratory of Bioinorganic
and Synthetic Chemistry, School of Chemistry and Chemical Engineering,
School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Zhuofeng Ke
- MOE Key Laboratory of Bioinorganic
and Synthetic Chemistry, School of Chemistry and Chemical Engineering,
School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
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19
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Moore CM, Bark B, Szymczak NK. Simple Ligand Modifications with Pendent OH Groups Dramatically Impact the Activity and Selectivity of Ruthenium Catalysts for Transfer Hydrogenation: The Importance of Alkali Metals. ACS Catal 2016. [DOI: 10.1021/acscatal.6b00229] [Citation(s) in RCA: 74] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Cameron M. Moore
- Department of Chemistry, University of Michigan, 930 North University, Ann
Arbor, Michigan 48109, United States
| | - Byongjoo Bark
- Department of Chemistry, University of Michigan, 930 North University, Ann
Arbor, Michigan 48109, United States
| | - Nathaniel K. Szymczak
- Department of Chemistry, University of Michigan, 930 North University, Ann
Arbor, Michigan 48109, United States
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20
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Fuentes JA, Smith SM, Scharbert MT, Carpenter I, Cordes DB, Slawin AMZ, Clarke ML. On the Functional Group Tolerance of Ester Hydrogenation and Polyester Depolymerisation Catalysed by Ruthenium Complexes of Tridentate Aminophosphine Ligands. Chemistry 2015; 21:10851-60. [DOI: 10.1002/chem.201500907] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Indexed: 12/29/2022]
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21
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Kothandaraman J, Czaun M, Goeppert A, Haiges R, Jones JP, May RB, Prakash GKS, Olah GA. Amine-free reversible hydrogen storage in formate salts catalyzed by ruthenium pincer complex without pH control or solvent change. CHEMSUSCHEM 2015; 8:1442-51. [PMID: 25824142 DOI: 10.1002/cssc.201403458] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Indexed: 05/19/2023]
Abstract
Due to the intermittent nature of most renewable energy sources, such as solar and wind, energy storage is increasingly required. Since electricity is difficult to store, hydrogen obtained by electrochemical water splitting has been proposed as an energy carrier. However, the handling and transportation of hydrogen in large quantities is in itself a challenge. We therefore present here a method for hydrogen storage based on a CO2 (HCO3 (-) )/H2 and formate equilibrium. This amine-free and efficient reversible system (>90 % yield in both directions) is catalyzed by well-defined and commercially available Ru pincer complexes. The formate dehydrogenation was triggered by simple pressure swing without requiring external pH control or the change of either the solvent or the catalyst. Up to six hydrogenation-dehydrogenation cycles were performed and the catalyst performance remained steady with high selectivity (CO free H2 /CO2 mixture was produced).
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Affiliation(s)
- Jotheeswari Kothandaraman
- Loker Hydrocarbon Research Institute and Department of Chemistry, University of Southern California, University Park, Los Angeles, CA 90089-1661 (USA), Fax: (+1) 213-740-5087
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22
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Sonnenberg JF, Lough AJ, Morris RH. Synthesis of Iron P-N-P′ and P-NH-P′ Asymmetric Hydrogenation Catalysts. Organometallics 2014. [DOI: 10.1021/om5008083] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Jessica F. Sonnenberg
- Davenport Laboratories, Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Alan J. Lough
- Davenport Laboratories, Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Robert H. Morris
- Davenport Laboratories, Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
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23
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Duan Y, Li L, Chen MW, Yu CB, Fan HJ, Zhou YG. Homogenous Pd-Catalyzed Asymmetric Hydrogenation of Unprotected Indoles: Scope and Mechanistic Studies. J Am Chem Soc 2014; 136:7688-700. [DOI: 10.1021/ja502020b] [Citation(s) in RCA: 147] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Ying Duan
- State
Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of
Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Lu Li
- State Key
Laboratory of Fine Chemicals, Institute of Coal Chemical Engineering,
School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Mu-Wang Chen
- State
Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of
Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Chang-Bin Yu
- State
Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of
Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Hong-Jun Fan
- State
Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of
Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Yong-Gui Zhou
- State
Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of
Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
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24
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Štefane B, Požgan F. Advances in Catalyst Systems for the Asymmetric Hydrogenation and Transfer Hydrogenation of Ketones. CATALYSIS REVIEWS-SCIENCE AND ENGINEERING 2014. [DOI: 10.1080/01614940.2013.869461] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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25
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Jiang F, Yuan K, Achard M, Bruneau C. Ruthenium-Containing Phosphinesulfonate Chelate for the Hydrogenation of Aryl Ketones. Chemistry 2013; 19:10343-52. [DOI: 10.1002/chem.201301201] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2013] [Indexed: 11/12/2022]
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26
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Zhao B, Han Z, Ding K. The N-H functional group in organometallic catalysis. Angew Chem Int Ed Engl 2013; 52:4744-88. [PMID: 23471875 DOI: 10.1002/anie.201204921] [Citation(s) in RCA: 296] [Impact Index Per Article: 26.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2012] [Revised: 10/01/2012] [Indexed: 11/09/2022]
Abstract
The organometallic approach is one of the most active topics in catalysis. The application of NH functionality in organometallic catalysis has become an important and attractive concept in catalyst design. NH moieties in the modifiers of organometallic catalysts have been shown to have various beneficial functions in catalysis by molecular recognition through hydrogen bonding to give catalyst-substrate, ligand-ligand, ligand-catalyst, and catalyst-catalyst interactions. This Review summarizes recent progress in the development of the organometallic catalysts based on the concept of cooperative catalysis by focusing on the NH moiety.
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Affiliation(s)
- Baoguo Zhao
- Key Laboratory of Resource Chemistry of Ministry of Education, Shanghai Normal University, Shanghai 200234, P.R. China
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27
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28
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Fuentes JA, Carpenter I, Kann N, Clarke ML. Highly enantioselective hydrogenation and transfer hydrogenation of cycloalkyl and heterocyclic ketones catalysed by an iridium complex of a tridentate phosphine-diamine ligand. Chem Commun (Camb) 2013; 49:10245-7. [DOI: 10.1039/c3cc45545a] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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29
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Yazerski VA, Orue A, Evers T, Kleijn H, Klein Gebbink RJM. Molecularly enlarged S,S-BnTsDPEN ligands for iron-catalyzed asymmetric olefin epoxidation reactions using hydrogen peroxide. Catal Sci Technol 2013. [DOI: 10.1039/c3cy00484h] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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30
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Milenković M, Bacchi A, Cantoni G, Radulović S, Gligorijević N, Aranđelović S, Sladić D, Vujčić M, Mitić D, Anđelković K. Synthesis, characterisation and biological activity of Co(III) complex with the condensation product of 2-(diphenylphosphino)benzaldehyde and ethyl carbazate. Inorganica Chim Acta 2013. [DOI: 10.1016/j.ica.2012.09.043] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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31
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Fuentes JA, Phillips SD, Clarke ML. New phosphine-diamine and phosphine-amino-alcohol tridentate ligands for ruthenium catalysed enantioselective hydrogenation of ketones and a concise lactone synthesis enabled by asymmetric reduction of cyano-ketones. Chem Cent J 2012; 6:151. [PMID: 23216944 PMCID: PMC3538564 DOI: 10.1186/1752-153x-6-151] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2012] [Accepted: 12/04/2012] [Indexed: 11/10/2022] Open
Abstract
Enantioselective hydrogenation of ketones is a key reaction in organic chemistry. In the past, we have attempted to deal with some unsolved challenges in this arena by introducing chiral tridentate phosphine-diamine/Ru catalysts. New catalysts and new applications are presented here, including the synthesis of phosphine-amino-alcohol P,N,OH ligands derived from (R,S)-1-amino-2-indanol, (S,S)-1-amino-2-indanol and a new chiral P,N,N ligand derived from (R,R)-1,2-diphenylethylenediamine. Ruthenium pre-catalysts of type [RuCl2(L)(DMSO)] were isolated and then examined in the hydrogenation of ketones. While the new P,N,OH ligand based catalysts are poor, the new P,N,N system gives up to 98% e.e. on substrates that do not react at all with most catalysts. A preliminary attempt at realising a new delta lactone synthesis by organocatalytic Michael addition between acetophenone and acrylonitrile, followed by asymmetric hydrogenation of the nitrile functionalised ketone is challenging in part due to the Michael addition chemistry, but also since Noyori pressure hydrogenation catalysts gave massively reduced reactivity relative to their performance for other acetophenone derivatives. The Ru phosphine-diamine system allowed quantitative conversion and around 50% e.e. The product can be converted into a delta lactone by treatment with KOH with complete retention of enantiomeric excess. This approach potentially offers access to this class of chiral molecules in three steps from the extremely cheap building blocks acrylonitrile and methyl-ketones; we encourage researchers to improve on our efforts in this potentially useful but currently flawed process.
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Affiliation(s)
- José A Fuentes
- School of Chemistry, University of St Andrews, EaStCHEM, St Andrews, Fife KY16 9ST, UK.
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32
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Vaquero M, Suárez A, Vargas S, Bottari G, Álvarez E, Pizzano A. Highly Enantioselective Imine Hydrogenation Catalyzed by Ruthenium Phosphane-Phosphite Diamine Complexes. Chemistry 2012; 18:15586-91. [DOI: 10.1002/chem.201203193] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2012] [Indexed: 11/11/2022]
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33
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Jolley KE, Zanotti‐Gerosa A, Hancock F, Dyke A, Grainger DM, Medlock JA, Nedden HG, Le Paih JJM, Roseblade SJ, Seger A, Sivakumar V, Prokes I, Morris DJ, Wills M. Application of Tethered Ruthenium Catalysts to Asymmetric Hydrogenation of Ketones, and the Selective Hydrogenation of Aldehydes. Adv Synth Catal 2012. [DOI: 10.1002/adsc.201200362] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Katherine E. Jolley
- Department of Chemistry, The University of Warwick, Coventry, CV4 7AL, U.K. Fax: (+44)‐24‐7652‐4112; phone (+44)‐24‐7652‐3260
| | - Antonio Zanotti‐Gerosa
- Johnson Matthey Chiral Technologies, Johnson Matthey Catalysts, 28 Cambridge Science Park, Milton Road, Cambridge, CB4 0FP, U.K
| | - Fred Hancock
- Johnson Matthey Chiral Technologies, Johnson Matthey Catalysts, 28 Cambridge Science Park, Milton Road, Cambridge, CB4 0FP, U.K
| | - Alan Dyke
- Johnson Matthey Chiral Technologies, Johnson Matthey Catalysts, 28 Cambridge Science Park, Milton Road, Cambridge, CB4 0FP, U.K
| | - Damian M. Grainger
- Johnson Matthey Chiral Technologies, Johnson Matthey Catalysts, 28 Cambridge Science Park, Milton Road, Cambridge, CB4 0FP, U.K
| | - Jonathan A. Medlock
- Johnson Matthey Chiral Technologies, Johnson Matthey Catalysts, 28 Cambridge Science Park, Milton Road, Cambridge, CB4 0FP, U.K
| | - Hans G. Nedden
- Johnson Matthey Chiral Technologies, Johnson Matthey Catalysts, 28 Cambridge Science Park, Milton Road, Cambridge, CB4 0FP, U.K
| | - Jacques J. M. Le Paih
- Johnson Matthey Chiral Technologies, Johnson Matthey Catalysts, 28 Cambridge Science Park, Milton Road, Cambridge, CB4 0FP, U.K
| | - Stephen J. Roseblade
- Johnson Matthey Chiral Technologies, Johnson Matthey Catalysts, 28 Cambridge Science Park, Milton Road, Cambridge, CB4 0FP, U.K
| | - Andreas Seger
- Johnson Matthey Chemicals India Pvt. Ltd., Plot No. 6, MIDC Industrial Estate, Taloja Dist. Raigad, Maharashtra – 410208, India
| | - Vilvanathan Sivakumar
- Johnson Matthey Chemicals India Pvt. Ltd., Plot No. 6, MIDC Industrial Estate, Taloja Dist. Raigad, Maharashtra – 410208, India
| | - Ivan Prokes
- Department of Chemistry, The University of Warwick, Coventry, CV4 7AL, U.K. Fax: (+44)‐24‐7652‐4112; phone (+44)‐24‐7652‐3260
| | - David J. Morris
- Department of Chemistry, The University of Warwick, Coventry, CV4 7AL, U.K. Fax: (+44)‐24‐7652‐4112; phone (+44)‐24‐7652‐3260
| | - Martin Wills
- Department of Chemistry, The University of Warwick, Coventry, CV4 7AL, U.K. Fax: (+44)‐24‐7652‐4112; phone (+44)‐24‐7652‐3260
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34
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Affiliation(s)
- D. W. Allen
- Biomedical Research Centre Sheffield Hallam University Sheffield, S1 1WB UK
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35
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O WWN, Lough AJ, Morris RH. Bifunctional Mechanism with Unconventional Intermediates for the Hydrogenation of Ketones Catalyzed by an Iridium(III) Complex Containing an N-Heterocyclic Carbene with a Primary Amine Donor. Organometallics 2012. [DOI: 10.1021/om300071v] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Wylie W. N. O
- Davenport Laboratory, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S
3H6, Canada
| | - Alan J. Lough
- Davenport Laboratory, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S
3H6, Canada
| | - Robert H. Morris
- Davenport Laboratory, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S
3H6, Canada
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36
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O WWN, Lough AJ, Morris RH. Factors Favoring Efficient Bifunctional Catalysis. Study of a Ruthenium(II) Hydrogenation Catalyst Containing an N-Heterocyclic Carbene with a Primary Amine Donor. Organometallics 2012. [DOI: 10.1021/om300108p] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Wylie W. N. O
- Davenport Laboratory, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S
3H6, Canada
| | - Alan J. Lough
- Davenport Laboratory, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S
3H6, Canada
| | - Robert H. Morris
- Davenport Laboratory, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S
3H6, Canada
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37
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Askevold B, Roesky HW, Schneider S. Learning from the Neighbors: Improving Homogeneous Catalysts with Functional Ligands Motivated by Heterogeneous and Biocatalysis. ChemCatChem 2012. [DOI: 10.1002/cctc.201100347] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Bjorn Askevold
- Department Chemie und Pharmazie, Friedrich‐Alexander Universität Erlangen–Nürnberg, Egerlandstr. 1, 91058 Erlangen (Germany)
| | - Herbert W. Roesky
- Institut für Anorganische Chemie, Georg‐August Universität Göttingen, Tammannstr. 4, 37077 Göttingen (Germany)
| | - Sven Schneider
- Department Chemie und Pharmazie, Friedrich‐Alexander Universität Erlangen–Nürnberg, Egerlandstr. 1, 91058 Erlangen (Germany)
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38
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Carpenter I, Eckelmann SC, Kuntz MT, Fuentes JA, France MB, Clarke ML. Convenient and improved protocols for the hydrogenation of esters using Ru catalysts derived from (P,P), (P,N,N) and (P,N,O) ligands. Dalton Trans 2012; 41:10136-40. [DOI: 10.1039/c2dt30973d] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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39
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Clarke ML. Recent developments in the homogeneous hydrogenation of carboxylic acid esters. Catal Sci Technol 2012. [DOI: 10.1039/c2cy20601c] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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40
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New κ3-PNN′- and κ4-PNN′O-polydentate ligands: Synthesis, coordination and structural studies. Inorganica Chim Acta 2011. [DOI: 10.1016/j.ica.2011.09.045] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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41
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Hu B, Meng M, Fossey JS, Mo W, Hu X, Deng WP. Optically pure bulky (hetero)arylalkyl carbinols via kinetic resolution. Chem Commun (Camb) 2011; 47:10632-4. [PMID: 21892500 DOI: 10.1039/c1cc14591f] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Planar chiral nucleophilic catalyst Fc-PIP was employed in the kinetic resolution of bulky (hetero)arylalkyl carbinols delivering unreacted alcohols with extremely high enantiomeric excess (>99.0% ees) in ideal conversions ranging from 50.4-56.7%.
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Affiliation(s)
- Bin Hu
- Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
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42
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Soni R, Collinson JM, Clarkson GC, Wills M. An Unexpected Directing Effect in the Asymmetric Transfer Hydrogenation of α,α-Disubstituted Ketones. Org Lett 2011; 13:4304-7. [DOI: 10.1021/ol201643v] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Rina Soni
- Department of Chemistry, The University of Warwick, Coventry CV4 7AL, U.K
| | | | - Guy C. Clarkson
- Department of Chemistry, The University of Warwick, Coventry CV4 7AL, U.K
| | - Martin Wills
- Department of Chemistry, The University of Warwick, Coventry CV4 7AL, U.K
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43
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O WWN, Lough AJ, Morris RH. Mechanistic Investigation of the Hydrogenation of Ketones Catalyzed by a Ruthenium(II) Complex Featuring an N-Heterocyclic Carbene with a Tethered Primary Amine Donor: Evidence for an Inner Sphere Mechanism. Organometallics 2011. [DOI: 10.1021/om101152m] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Wylie W. N. O
- Davenport Laboratory, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Alan J. Lough
- Davenport Laboratory, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Robert H. Morris
- Davenport Laboratory, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
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44
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Wang C, Villa-Marcos B, Xiao J. Hydrogenation of imino bonds with half-sandwich metal catalysts. Chem Commun (Camb) 2011; 47:9773-85. [DOI: 10.1039/c1cc12326b] [Citation(s) in RCA: 122] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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45
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Phillips SD, Andersson KHO, Kann N, Kuntz MT, France MB, Wawrzyniak P, Clarke ML. Exploring the role of phosphorus substituents on the enantioselectivity of Ru-catalysed ketone hydrogenation using tridentate phosphine-diamine ligands. Catal Sci Technol 2011. [DOI: 10.1039/c1cy00253h] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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46
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Prokopchuk DE, Lough AJ, Morris RH. From amine to ruthenaziridine to azaallyl: unusual transformation of di-(2-pyridylmethyl)amine on ruthenium. Dalton Trans 2011; 40:10603-8. [DOI: 10.1039/c1dt10626k] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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47
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Nova A, Balcells D, Schley ND, Dobereiner GE, Crabtree RH, Eisenstein O. An Experimental−Theoretical Study of the Factors That Affect the Switch between Ruthenium-Catalyzed Dehydrogenative Amide Formation versus Amine Alkylation. Organometallics 2010. [DOI: 10.1021/om101015u] [Citation(s) in RCA: 98] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ainara Nova
- Université Montpellier 2, Institut Charles Gerhardt, CNRS 5253, cc 1501, Place Eugène Bataillon 34095, Montpellier, France
| | - David Balcells
- Departament de Quimica, Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain
| | - Nathan D. Schley
- Chemistry Department, Yale University, 225 Prospect Street, P.O. Box 208107, New Haven, Connecticut 06520, United States
| | - Graham E. Dobereiner
- Chemistry Department, Yale University, 225 Prospect Street, P.O. Box 208107, New Haven, Connecticut 06520, United States
| | - Robert H. Crabtree
- Chemistry Department, Yale University, 225 Prospect Street, P.O. Box 208107, New Haven, Connecticut 06520, United States
| | - Odile Eisenstein
- Université Montpellier 2, Institut Charles Gerhardt, CNRS 5253, cc 1501, Place Eugène Bataillon 34095, Montpellier, France
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