1
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Queffélec C, Pati PB, Pellegrin Y. Fifty Shades of Phenanthroline: Synthesis Strategies to Functionalize 1,10-Phenanthroline in All Positions. Chem Rev 2024; 124:6700-6902. [PMID: 38747613 DOI: 10.1021/acs.chemrev.3c00543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2024]
Abstract
1,10-Phenanthroline (phen) is one of the most popular ligands ever used in coordination chemistry due to its strong affinity for a wide range of metals with various oxidation states. Its polyaromatic structure provides robustness and rigidity, leading to intriguing features in numerous fields (luminescent coordination scaffolds, catalysis, supramolecular chemistry, sensors, theranostics, etc.). Importantly, phen offers eight distinct positions for functional groups to be attached, showcasing remarkable versatility for such a simple ligand. As a result, phen has become a landmark molecule for coordination chemists, serving as a must-use ligand and a versatile platform for designing polyfunctional arrays. The extensive use of substituted phenanthroline ligands with different metal ions has resulted in a diverse array of complexes tailored for numerous applications. For instance, these complexes have been utilized as sensitizers in dye-sensitized solar cells, as luminescent probes modified with antibodies for biomaterials, and in the creation of elegant supramolecular architectures like rotaxanes and catenanes, exemplified by Sauvage's Nobel Prize-winning work in 2016. In summary, phen has found applications in almost every facet of chemistry. An intriguing aspect of phen is the specific reactivity of each pair of carbon atoms ([2,9], [3,8], [4,7], and [5,6]), enabling the functionalization of each pair with different groups and leading to polyfunctional arrays. Furthermore, it is possible to differentiate each position in these pairs, resulting in non-symmetrical systems with tremendous versatility. In this Review, the authors aim to compile and categorize existing synthetic strategies for the stepwise polyfunctionalization of phen in various positions. This comprehensive toolbox will aid coordination chemists in designing virtually any polyfunctional ligand. The survey will encompass seminal work from the 1950s to the present day. The scope of the Review will be limited to 1,10-phenanthroline, excluding ligands with more intracyclic heteroatoms or fused aromatic cycles. Overall, the primary goal of this Review is to highlight both old and recent synthetic strategies that find applicability in the mentioned applications. By doing so, the authors hope to establish a first reference for phenanthroline synthesis, covering all possible positions on the backbone, and hope to inspire all concerned chemists to devise new strategies that have not yet been explored.
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Affiliation(s)
| | | | - Yann Pellegrin
- Nantes Université, CEISAM UMR 6230, F-44000 Nantes, France
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2
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Zhu N, Yao H, Zhang X, Bao H. Metal-catalyzed asymmetric reactions enabled by organic peroxides. Chem Soc Rev 2024; 53:2326-2349. [PMID: 38259195 DOI: 10.1039/d3cs00735a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
As a class of multifunctional reagents, organic peroxides play vital roles in the chemical industry, pharmaceutical synthesis and polymerization reactions. Metal-catalyzed asymmetric catalysis has emerged as one of the most straightforward and efficient strategies to construct enantioenriched molecules, and an increasing number of metal-catalyzed asymmetric reactions enabled by organic peroxides have been disclosed by researchers in recent years. Despite remarkable progress, the types of asymmetric reactions facilitated by organic peroxides remain limited and the catalysis systems need to be further broadened. To the best of our knowledge, there is still no review devoted to summarizing the reactions from this perspective. In this review, we will endeavor to highlight the advances in metal-catalyzed asymmetric reactions enabled by organic peroxides. We hope that this survey will summarize the functions of organic peroxides in catalytic reactions, improve the understanding of these compounds and inspire future developments in this area.
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Affiliation(s)
- Nengbo Zhu
- State Key Laboratory of Structural Chemistry, Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. China.
| | - Huijie Yao
- State Key Laboratory of Structural Chemistry, Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. China.
- Fujian College, University of Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. China
- College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, P. R. China
| | - Xiyu Zhang
- State Key Laboratory of Structural Chemistry, Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. China.
| | - Hongli Bao
- State Key Laboratory of Structural Chemistry, Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. China.
- Fujian College, University of Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
- College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, P. R. China
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3
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Ghosh D, Molla SA, Ghosh NN, Khamarui S, Maiti DK. Cu II-Catalyzed cis-Selective Synthesis of Ketoepoxides from Phenacyl Bromides and Water. J Org Chem 2023. [PMID: 37379249 DOI: 10.1021/acs.joc.2c02835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/30/2023]
Abstract
A verity of α,β-ketoepoxides was synthesized using a CuII-catalyzed oxidative C-C/O-C coupled cyclization strategy with high yield and cis-selectivity. Water is used as the source of oxygen and phenacyl bromide as the carbon in the valuable epoxides. The self-coupling method was extended to cross-coupling between phenacyl bromides with benzyl bromides. A high cis-diastereoselectivity was observed in all the synthesized ketoepoxides. Control experiments and density functional theory (DFT) study were performed to understand the CuII-CuI transition mechanism.
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Affiliation(s)
- Debasish Ghosh
- Department of Chemistry, University of Calcutta, 92, A. P. C. Road, Kolkata 700009, India
| | - Sabir A Molla
- Department of Chemistry, University of Calcutta, 92, A. P. C. Road, Kolkata 700009, India
| | | | - Saikat Khamarui
- Department of Chemistry, Government General Degree College, Kalna-1, Burdwan 713405, India
| | - Dilip K Maiti
- Department of Chemistry, University of Calcutta, 92, A. P. C. Road, Kolkata 700009, India
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4
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Zheng M, Huang C, Yan JZ, Xie SL, Ke SJ, Xia HD, Duan YN. In Situ Hypoiodite-Catalyzed Oxidative Rearrangement of Chalcones: Scope and Mechanistic Investigation. J Org Chem 2023; 88:1504-1514. [PMID: 36660775 DOI: 10.1021/acs.joc.2c02291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
It is highly desirable to avoid using rare or toxic metals for oxidative reactions in the synthesis of pharmaceuticals and fine chemicals. Hypervalent iodine compounds are environmentally benign alternatives, but their catalytic use has been quite limited. Herein, the protocol for in situ hypoiodite-catalyzed oxidative rearrangement of chalcones is first realized under mild and metal-free conditions, which provided a nontoxic, environmental-benign, and catalytic alternative to the thallium-based protocol. Also, the applicability and effectiveness of this catalytic protocol got well demonstrated via gram-scale synthesis and product derivatization. What is more, control and NMR tracking experiments were performed to figure out the possible catalytic species and intermediates.
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Affiliation(s)
- Meiqiong Zheng
- Chemistry and Chemical Engineering Guangdong Laboratory, Shantou 515031, P. R. China.,Shantou University, Shantou 515031, P. R. China
| | - Chao Huang
- Chemistry and Chemical Engineering Guangdong Laboratory, Shantou 515031, P. R. China
| | - Jian-Zhong Yan
- Industry & Technology Service Center, Shantou Hi-tech Industrial Development Zone, Shantou 515031, P. R. China
| | - Shu-Li Xie
- Shantou University, Shantou 515031, P. R. China
| | - Shao-Jia Ke
- Shantou Food Inspection and Testing Center, Shantou 515031, P. R. China
| | - Hai-Dong Xia
- Chemistry and Chemical Engineering Guangdong Laboratory, Shantou 515031, P. R. China
| | - Ya-Nan Duan
- Chemistry and Chemical Engineering Guangdong Laboratory, Shantou 515031, P. R. China
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5
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Zhang S, Perveen S, Ouyang Y, Xu L, Yu T, Zhao M, Wang L, Song P, Li P. Design and Synthesis of Tunable Chiral 2,2'-Bipyridine Ligands: Application to the Enantioselective Nickel-Catalyzed Reductive Arylation of Aldehydes. Angew Chem Int Ed Engl 2022; 61:e202117843. [PMID: 35174597 DOI: 10.1002/anie.202117843] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Indexed: 11/11/2022]
Abstract
A new class of chiral 2,2'-bipyridine ligands, SBpy, featuring minimized short-range steric hindrance and structural tunability was rationally designed and developed, and the effectiveness was demonstrated in the first highly enantioselective Ni-catalyzed addition of aryl halides to aldehydes. In comparison with known approaches using preformed aryl metallic reagents, this reaction is more step-economical and functional group tolerant. The reaction mechanism and a model of stereocontrol were proposed based on experimental and computational results.
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Affiliation(s)
- Shuai Zhang
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Saima Perveen
- School of Chemistry, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Yizhao Ouyang
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Liang Xu
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, Shihezi, 832003, China
| | - Tao Yu
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Min Zhao
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Linghua Wang
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Peidong Song
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Pengfei Li
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China.,State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, 300071, China
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6
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Ogino E, Kuwano S, Arai T. Chiral Aminomethylbinaphthol‐Catalyzed Diastereo‐ and Enantioselective Epoxidation of Trisubstituted Acrylonitriles. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Eri Ogino
- Soft Molecular Activation Research Center (SMARC) Chiba Iodine Resource Innovation Center (CIRIC) Molecular Chirality Research Center (MCRC) Department of Chemistry Graduate School of Science Chiba University 1-33 Yayoi Inage, Chiba 263–8522 Japan
| | - Satoru Kuwano
- Soft Molecular Activation Research Center (SMARC) Chiba Iodine Resource Innovation Center (CIRIC) Molecular Chirality Research Center (MCRC) Department of Chemistry Graduate School of Science Chiba University 1-33 Yayoi Inage, Chiba 263–8522 Japan
| | - Takayoshi Arai
- Soft Molecular Activation Research Center (SMARC) Chiba Iodine Resource Innovation Center (CIRIC) Molecular Chirality Research Center (MCRC) Department of Chemistry Graduate School of Science Chiba University 1-33 Yayoi Inage, Chiba 263–8522 Japan
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7
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Zhang S, Perveen S, Ouyang Y, Xu L, Yu T, Zhao M, Wang L, Song P, Li P. Design and Synthesis of Tunable Chiral 2,2′‐Bipyridine Ligands: Application to the Enantioselective Nickel‐Catalyzed Reductive Arylation of Aldehydes. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202117843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Shuai Zhang
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an Shaanxi 710054 China
| | - Saima Perveen
- School of Chemistry Xi'an Jiaotong University Xi'an Shaanxi 710049 China
| | - Yizhao Ouyang
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an Shaanxi 710054 China
| | - Liang Xu
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan Shihezi University Shihezi 832003 China
| | - Tao Yu
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an Shaanxi 710054 China
| | - Min Zhao
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an Shaanxi 710054 China
| | - Linghua Wang
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an Shaanxi 710054 China
| | - Peidong Song
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an Shaanxi 710054 China
| | - Pengfei Li
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an Shaanxi 710054 China
- State Key Laboratory of Elemento-Organic Chemistry Nankai University Tianjin 300071 China
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8
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Nam DG, Shim SY, Jeong H, Ryu DH. Catalytic Asymmetric Darzens‐Type Epoxidation of Diazoesters: Highly Enantioselective Synthesis of Trisubstituted Epoxides. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202108454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Dong Guk Nam
- Department of Chemistry Sungkyunkwan University 300 Cheoncheon-dong, Jangan-gu Suwon 16419 Korea
| | - Su Yong Shim
- Department of Chemistry Sungkyunkwan University 300 Cheoncheon-dong, Jangan-gu Suwon 16419 Korea
- Present address: Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Hye‐Min Jeong
- Department of Chemistry Sungkyunkwan University 300 Cheoncheon-dong, Jangan-gu Suwon 16419 Korea
| | - Do Hyun Ryu
- Department of Chemistry Sungkyunkwan University 300 Cheoncheon-dong, Jangan-gu Suwon 16419 Korea
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9
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Nam DG, Shim SY, Jeong HM, Ryu DH. Catalytic Asymmetric Darzens-Type Epoxidation of Diazoesters: Highly Enantioselective Synthesis of Trisubstituted Epoxides. Angew Chem Int Ed Engl 2021; 60:22236-22240. [PMID: 34350688 DOI: 10.1002/anie.202108454] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/19/2021] [Indexed: 12/24/2022]
Abstract
Highly enantioselective Darzens-type epoxidation of diazoesters with glyoxal derivatives was accomplished using a chiral boron-Lewis acid catalyst, which facilitated asymmetric synthesis of trisubstituted α,β-epoxy esters. In the presence of a chiral oxazaborolidinium ion catalyst, the reaction proceeded in high yield (up to 99 %) with excellent enantio- and diastereoselectivity (up to >99 % ee and >20:1 dr, respectively). The synthetic potential of this method was illustrated by conversion of the products to various compounds such as epoxy γ-butyrolactone, tertiary β-hydroxy ketone and epoxy diester.
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Affiliation(s)
- Dong Guk Nam
- Department of Chemistry, Sungkyunkwan University, 300 Cheoncheon-dong, Jangan-gu, Suwon, 16419, Korea
| | - Su Yong Shim
- Department of Chemistry, Sungkyunkwan University, 300 Cheoncheon-dong, Jangan-gu, Suwon, 16419, Korea.,Present address: Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Hye-Min Jeong
- Department of Chemistry, Sungkyunkwan University, 300 Cheoncheon-dong, Jangan-gu, Suwon, 16419, Korea
| | - Do Hyun Ryu
- Department of Chemistry, Sungkyunkwan University, 300 Cheoncheon-dong, Jangan-gu, Suwon, 16419, Korea
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10
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Song P, Hu L, Yu T, Jiao J, He Y, Xu L, Li P. Development of a Tunable Chiral Pyridine Ligand Unit for Enantioselective Iridium-Catalyzed C–H Borylation. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01671] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Peidong Song
- Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710054, China
| | - Linlin Hu
- Department of Applied Chemistry, Xi’an University of Technology, Xi’an 710048, China
| | - Tao Yu
- Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710054, China
| | - Jiao Jiao
- School of Chemistry, Xi’an Key Laboratory of Sustainable Energy Materials Chemistry, Xi’an Jiaotong University, Xi’an 710049, China
| | - Yangqing He
- Department of Applied Chemistry, Xi’an University of Technology, Xi’an 710048, China
| | - Liang Xu
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, Shihezi 832003, China
| | - Pengfei Li
- Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710054, China
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
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11
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Ogino E, Nakamura A, Kuwano S, Arai T. Chiral C2-Symmetric Aminomethylbinaphthol as Synergistic Catalyst for Asymmetric Epoxidation of Alkylidenemalononitriles: Easy Access to Chiral Spirooxindoles. Org Lett 2021; 23:1980-1985. [DOI: 10.1021/acs.orglett.0c04245] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Eri Ogino
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Synthetic Organic Chemistry, Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba 263-8522, Japan
| | - Ayu Nakamura
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Synthetic Organic Chemistry, Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba 263-8522, Japan
| | - Satoru Kuwano
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Synthetic Organic Chemistry, Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba 263-8522, Japan
| | - Takayoshi Arai
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Synthetic Organic Chemistry, Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba 263-8522, Japan
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12
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Majdecki M, Tyszka-Gumkowska A, Jurczak J. Highly Enantioselective Epoxidation of α,β-Unsaturated Ketones Using Amide-Based Cinchona Alkaloids as Hybrid Phase-Transfer Catalysts. Org Lett 2020; 22:8687-8691. [PMID: 33112627 PMCID: PMC7660942 DOI: 10.1021/acs.orglett.0c03272] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
![]()
A series of 20 one chiral epoxides
were obtained with excellent
yields (up to 99%) and enantioselectivities (up to >99% ee) using
hybrid amide-based Cinchona alkaloids. Our method
is characterized by low catalyst loading (0.5 mol %) and short reaction
times. Moreover, the epoxidation process can be carried out in 10
cycles, without further catalyst addition to the reaction mixture.
This methodology significantly enhance the scale of the process using
very low catalyst loading.
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Affiliation(s)
- Maciej Majdecki
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Agata Tyszka-Gumkowska
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Janusz Jurczak
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
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13
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Nishikawa Y. Site-selective and Stereoselective Syntheses Controlled by the Electron-withdrawing Properties of Cationic Heterocycles. YAKUGAKU ZASSHI 2020; 140:1225-1233. [DOI: 10.1248/yakushi.20-00133] [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]
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14
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Chen J, Jiang Z, Fukuzumi S, Nam W, Wang B. Artificial nonheme iron and manganese oxygenases for enantioselective olefin epoxidation and alkane hydroxylation reactions. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2020.213443] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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15
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Vicens L, Olivo G, Costas M. Rational Design of Bioinspired Catalysts for Selective Oxidations. ACS Catal 2020. [DOI: 10.1021/acscatal.0c02073] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Laia Vicens
- Institut de Quı́mica Computacional i Catàlisi (IQCC) and Departament de Quı́mica, Universitat de Girona, Campus de Montilivi, 17071 Girona, Spain
| | - Giorgio Olivo
- Institut de Quı́mica Computacional i Catàlisi (IQCC) and Departament de Quı́mica, Universitat de Girona, Campus de Montilivi, 17071 Girona, Spain
| | - Miquel Costas
- Institut de Quı́mica Computacional i Catàlisi (IQCC) and Departament de Quı́mica, Universitat de Girona, Campus de Montilivi, 17071 Girona, Spain
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16
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Horibe T, Nakagawa K, Hazeyama T, Takeda K, Ishihara K. An enantioselective oxidative coupling reaction of 2-naphthol derivatives catalyzed by chiral diphosphine oxide-iron(ii) complexes. Chem Commun (Camb) 2019; 55:13677-13680. [PMID: 31657383 DOI: 10.1039/c9cc07834g] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An enantioselective oxidative coupling of 2-naphthol derivatives is developed with the use of chiral Fe(ii)-diphosphine oxide complexes. Optically active 1,1-bi-2-naphthol derivatives can be synthesized in high yields when a 2 : 1 complex of (S)-xylyl-iPrO-BIPHEP-oxide and Fe(OTf)2 is used in the presence of t-butyl hydroperoxide as an oxidant. The non-linear effect, X-ray crystal structure and ESI-MS suggest that a 2 : 1 complex of (S)-xylyl-iPrO-BIPHEP-oxide and Fe(OTf)2 is a pre-catalyst for a Fe(iii)/Fe(iv) redox cycle.
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Affiliation(s)
- Takahiro Horibe
- Graduate School of Engineering, Nagoya University, B2-3(611), Furo-cho, Chikusa, Nagoya 464-8603, Japan.
| | - Keita Nakagawa
- Graduate School of Engineering, Nagoya University, B2-3(611), Furo-cho, Chikusa, Nagoya 464-8603, Japan.
| | - Takashi Hazeyama
- Graduate School of Engineering, Nagoya University, B2-3(611), Furo-cho, Chikusa, Nagoya 464-8603, Japan.
| | - Kazuki Takeda
- Graduate School of Engineering, Nagoya University, B2-3(611), Furo-cho, Chikusa, Nagoya 464-8603, Japan.
| | - Kazuaki Ishihara
- Graduate School of Engineering, Nagoya University, B2-3(611), Furo-cho, Chikusa, Nagoya 464-8603, Japan.
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17
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2-Oxiranyl-pyridines: Synthesis and Regioselective Epoxide Ring Openings with Chiral Amines as a Route to Chiral Ligands. HETEROATOM CHEMISTRY 2019. [DOI: 10.1155/2019/2381208] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
New epoxides, derivatives of pyridine, 2,2′-bipyridine, and 1,10-phenanthroline, were synthesized from the respective α-methylazaarenes. The obtained racemic 2-oxiranyl-azaarenes along with styrene oxide and trans-stilbene oxide were submitted to the ring opening with chiral primary amines as a chiral auxiliary. The most effective reaction was run in the presence of Sc(OTf)3/diisopropylethylamine for 7 days at 80°C, affording a good yield of the amino alcohols. Except for styrene oxide which gave both α- and β-amino alcohols, the reactions led regioselectively to the corresponding diastereomeric β-amino alcohols. The resulting diastereomers were separated, and the configurations of their stereogenic centers were established. The obtained enantiomerically pure 2-pyridinyl- and 6-(2,2′-bipyridinyl)-β-amino alcohols were tentatively tested as chiral ligands in the zinc-catalyzed aldol reaction.
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18
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Mörtel M, Lindner T, Scheurer A, Heinemann FW, Khusniyarov MM. Phenanthroline-Based Molecular Switches for Prospective Chemical Grafting: A Synthetic Strategy and Its Application to Spin-Crossover Complexes. Inorg Chem 2019; 59:2659-2666. [PMID: 31509384 DOI: 10.1021/acs.inorgchem.9b01424] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Max Mörtel
- Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Egerlandstraße 1, 91058 Erlangen, Germany
| | - Thomas Lindner
- Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Egerlandstraße 1, 91058 Erlangen, Germany
| | - Andreas Scheurer
- Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Egerlandstraße 1, 91058 Erlangen, Germany
| | - Frank W. Heinemann
- Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Egerlandstraße 1, 91058 Erlangen, Germany
| | - Marat M. Khusniyarov
- Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Egerlandstraße 1, 91058 Erlangen, Germany
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19
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Sugiura M, Ashikari Y, Takahashi Y, Yamaguchi K, Kotani S, Nakajima M. Lewis Base-Catalyzed Enantioselective Conjugate Reduction of β,β-Disubstituted α,β-Unsaturated Ketones with Trichlorosilane: E/ Z-Isomerization, Regioselectivity, and Synthetic Applications. J Org Chem 2019; 84:11458-11473. [PMID: 31449412 DOI: 10.1021/acs.joc.9b01298] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The chiral bisphosphine dioxide-catalyzed asymmetric conjugate reduction of acyclic β,β-disubstituted α,β-unsaturated ketones with trichlorosilane affords saturated ketones having a stereogenic carbon center at the carbonyl β-position with high enantioselectivities. Because the E/Z-isomerizations of enone substrates occur concomitantly, reduction products with the same absolute configurations are obtained from either (E)- or (Z)-enones. Conjugate reduction is accelerated in the presence of an electron-rich aryl group at the β-position of the enone owing to its carbocation-stabilizing ability. Computational studies were also conducted in order to elucidate the origin of the observed enantioselectivity. The regio- and enantioselective reductions of dienones were realized and applied to the syntheses of ar-turmerone, turmeronol A, mutisianthol, and jungianol, which are optically active sesquiterpenes.
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Affiliation(s)
- Masaharu Sugiura
- Faculty of Pharmaceutical Sciences , Sojo University , 4-22-1 Ikeda , Nishi-ku, Kumamoto 860-0082 , Japan
| | - Yasuhiko Ashikari
- Graduate School of Pharmaceutical Sciences , Kumamoto University , 5-1 Oe-honmachi , Chuo-ku, Kumamoto 862-0973 , Japan
| | - Yuka Takahashi
- Graduate School of Pharmaceutical Sciences , Kumamoto University , 5-1 Oe-honmachi , Chuo-ku, Kumamoto 862-0973 , Japan
| | - Koki Yamaguchi
- Faculty of Pharmaceutical Sciences , Sojo University , 4-22-1 Ikeda , Nishi-ku, Kumamoto 860-0082 , Japan
| | - Shunsuke Kotani
- Graduate School of Pharmaceutical Sciences , Kumamoto University , 5-1 Oe-honmachi , Chuo-ku, Kumamoto 862-0973 , Japan
| | - Makoto Nakajima
- Graduate School of Pharmaceutical Sciences , Kumamoto University , 5-1 Oe-honmachi , Chuo-ku, Kumamoto 862-0973 , Japan
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20
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Clarasó C, Vicens L, Polo A, Costas M. Enantioselective Epoxidation of β,β-Disubstituted Enamides with a Manganese Catalyst and Aqueous Hydrogen Peroxide. Org Lett 2019; 21:2430-2435. [PMID: 30883137 DOI: 10.1021/acs.orglett.9b00729] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Enantioselective epoxidation of β,β-disubstituted enamides with aqueous hydrogen peroxide and a novel manganese catalyst is described. Epoxidation is stereospecific and proceeds fast under mild conditions. Amides are disclosed as key functional groups to enable high enantioselectivity.
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Affiliation(s)
- Carlota Clarasó
- Department de Química , Universitat de Girona . Campus de Montilivi, E-17003 Girona , Catalonia , Spain.,Institut de Química Computacional i Catàlisi (IQCC) , Universitat de Girona , E-17003 Girona , Catalonia , Spain
| | - Laia Vicens
- Department de Química , Universitat de Girona . Campus de Montilivi, E-17003 Girona , Catalonia , Spain.,Institut de Química Computacional i Catàlisi (IQCC) , Universitat de Girona , E-17003 Girona , Catalonia , Spain
| | - Alfonso Polo
- Department de Química , Universitat de Girona . Campus de Montilivi, E-17003 Girona , Catalonia , Spain
| | - Miquel Costas
- Department de Química , Universitat de Girona . Campus de Montilivi, E-17003 Girona , Catalonia , Spain.,Institut de Química Computacional i Catàlisi (IQCC) , Universitat de Girona , E-17003 Girona , Catalonia , Spain
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21
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Kobayashi Y, Obayashi R, Watanabe Y, Miyazaki H, Miyata I, Suzuki Y, Yoshida Y, Shioiri T, Matsugi M. Unprecedented Asymmetric Epoxidation of Isolated Carbon-Carbon Double Bonds by a Chiral Fluorous Fe(III) Salen Complex: Exploiting Fluorophilic Effect for Catalyst Design. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900146] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yuki Kobayashi
- Department of Applied Biological Chemistry; Faculty of Agriculture; Meijo University; Tempaku Nagoya 468-8502 Japan
| | - Riho Obayashi
- Department of Applied Biological Chemistry; Faculty of Agriculture; Meijo University; Tempaku Nagoya 468-8502 Japan
| | - Yuki Watanabe
- Department of Applied Biological Chemistry; Faculty of Agriculture; Meijo University; Tempaku Nagoya 468-8502 Japan
| | - Hiroki Miyazaki
- Department of Applied Biological Chemistry; Faculty of Agriculture; Meijo University; Tempaku Nagoya 468-8502 Japan
| | - Issei Miyata
- Department of Applied Biological Chemistry; Faculty of Agriculture; Meijo University; Tempaku Nagoya 468-8502 Japan
| | - Yuta Suzuki
- Department of Applied Biological Chemistry; Faculty of Agriculture; Meijo University; Tempaku Nagoya 468-8502 Japan
| | - Yukihiro Yoshida
- Division of Chemistry; Graduate School of Science; Kyoto University; Kitashirakawa-Oiwakecho, Sakyo-ku Kyoto 606-8502 Japan
| | - Takayuki Shioiri
- Department of Applied Biological Chemistry; Faculty of Agriculture; Meijo University; Tempaku Nagoya 468-8502 Japan
| | - Masato Matsugi
- Department of Applied Biological Chemistry; Faculty of Agriculture; Meijo University; Tempaku Nagoya 468-8502 Japan
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22
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Hong Y, Jarrige L, Harms K, Meggers E. Chiral-at-Iron Catalyst: Expanding the Chemical Space for Asymmetric Earth-Abundant Metal Catalysis. J Am Chem Soc 2019; 141:4569-4572. [DOI: 10.1021/jacs.9b01352] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Yubiao Hong
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse 4, 35043 Marburg, Germany
| | - Lucie Jarrige
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse 4, 35043 Marburg, Germany
| | - Klaus Harms
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse 4, 35043 Marburg, Germany
| | - Eric Meggers
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse 4, 35043 Marburg, Germany
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23
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Wang L, Monro S, Cui P, Yin H, Liu B, Cameron CG, Xu W, Hetu M, Fuller A, Kilina S, McFarland SA, Sun W. Heteroleptic Ir(III)N 6 Complexes with Long-Lived Triplet Excited States and in Vitro Photobiological Activities. ACS APPLIED MATERIALS & INTERFACES 2019; 11:3629-3644. [PMID: 30608121 PMCID: PMC6355354 DOI: 10.1021/acsami.8b14744] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
A series of cationic heteroleptic iridium(III) complexes bearing tris-diimine ligands [Ir(phen)2(R-phen)]3+ (R-phen = phenanthroline (1), 3,8-diphenylphenanthroline (2), 3,8-dipyrenylphenanthroline (3), 3-phenylphenanthroline (4), 3-pyrenylphenanthroline (5), and 3,8-diphenylethynylphenanthroline (6)) were synthesized and characterized. These complexes possessed phen ligand-localized 1π,π* transitions below 300 nm, and charge transfer (1CT) and/or 1π,π* transitions between 300 and 520 nm. In 1, 2, 4, and 6, the low-energy bands were mixed 1CT/1π,π*. However, the increased π-donating ability of the pyrenyl substituent(s) in 3 and 5 split the low-energy bands into a pyrene-based 1π,π* transition at 300-380 nm and an intraligand charge transfer (1ILCT) transition at 380-520 nm. All complexes were emissive at room temperature in CH3CN, but the parentage of the emitting state varied depending on the R substituent(s). Complex 1 exhibited predominantly phen ligand-localized 3π,π* emission mixed with metal-to-ligand charge transfer (3MLCT) character, whereas the emission of 2, 4, and 6 was predominantly from the excited-state with 3π,π*/3ILCT/3MLCT character. The emission from 3 and 5 was dominated by pyrene-based 3π,π* states mixed with 3ILCT character. The different natures of the lowest triplet excited states were also reflected by the different spectral features and lifetimes of the triplet transient absorption of these complexes. Complexes 3 and 5 had singlet oxygen quantum yields as high as 81 and 72%, respectively. Both gave submicromolar phototoxicities toward cancer cells (SK-MEL-28 human melanoma) and bacteria ( S. aureus and S. mutans) with visible-light activation (and marginal to no photobiological activity with red light). Their visible-light phototherapeutic indices (PIs) toward SK-MEL-28 cells were 248 for 3 and >435 for 5; PIs were lower in bacteria (≤62) because of their inherent antimicrobial activities. Both complexes were shown to produce substantial amounts of intracellular reactive oxygen species (ROS), which may account for their photobiological activities.
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Affiliation(s)
- Li Wang
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58108-6050, United States
| | - Susan Monro
- Department of Chemistry, Acadia University, 6 University Avenue, Wolfville, NS B4P 2R6, Canada
| | - Peng Cui
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58108-6050, United States
- Materials and Nanotechnology Program, North Dakota State University, Fargo, North Dakota 58108-6050, United States
| | - Huimin Yin
- Department of Chemistry, Acadia University, 6 University Avenue, Wolfville, NS B4P 2R6, Canada
| | - Bingqing Liu
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58108-6050, United States
| | - Colin G. Cameron
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, North Carolina 27402-6170, United States
| | - Wei Xu
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58108-6050, United States
| | - Marc Hetu
- Department of Chemistry, Acadia University, 6 University Avenue, Wolfville, NS B4P 2R6, Canada
| | - Anderson Fuller
- Department of Chemistry, Acadia University, 6 University Avenue, Wolfville, NS B4P 2R6, Canada
| | - Svetlana Kilina
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58108-6050, United States
| | - Sherri A. McFarland
- Department of Chemistry, Acadia University, 6 University Avenue, Wolfville, NS B4P 2R6, Canada
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, North Carolina 27402-6170, United States
| | - Wenfang Sun
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58108-6050, United States
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24
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Wang W, Li C, Pi Y, Wang J, Tan R, Yin D. Chiral salen Cr(iii) complexes encapsulated in thermo-responsive polymer nanoreactors for asymmetric epoxidation of alkenes in water. Catal Sci Technol 2019. [DOI: 10.1039/c9cy01398a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Thermo-responsive polymer nanoreactors containing chiral salen Cr(iii) complexes exhibited unprecedented efficiency and facile reusability in asymmetric epoxidation of unfunctionalized olefins in water.
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Affiliation(s)
- Weiying Wang
- National & Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education)
- Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province
- Hunan Normal University
- Changsha 410081
| | - Chaoping Li
- National & Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education)
- Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province
- Hunan Normal University
- Changsha 410081
| | - Yibing Pi
- National & Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education)
- Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province
- Hunan Normal University
- Changsha 410081
| | - Jiajun Wang
- National & Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education)
- Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province
- Hunan Normal University
- Changsha 410081
| | - Rong Tan
- National & Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education)
- Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province
- Hunan Normal University
- Changsha 410081
| | - Donghong Yin
- National & Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education)
- Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province
- Hunan Normal University
- Changsha 410081
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25
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Mitra M, Cusso O, Bhat SS, Sun M, Cianfanelli M, Costas M, Nordlander E. Highly enantioselective epoxidation of olefins by H2O2 catalyzed by a non-heme Fe(ii) catalyst of a chiral tetradentate ligand. Dalton Trans 2019; 48:6123-6131. [DOI: 10.1039/c8dt04449j] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new chiral Fe(ii)-complex mediates the asymmetric epoxidation of prochiral olefins with good enantioselectivity.
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Affiliation(s)
- Mainak Mitra
- Chemical Physics
- Department of Chemistry
- Lund University
- SE-221 00 Lund
- Sweden
| | | | - Satish S. Bhat
- Chemical Physics
- Department of Chemistry
- Lund University
- SE-221 00 Lund
- Sweden
| | - Mingzhe Sun
- Chemical Physics
- Department of Chemistry
- Lund University
- SE-221 00 Lund
- Sweden
| | | | | | - Ebbe Nordlander
- Chemical Physics
- Department of Chemistry
- Lund University
- SE-221 00 Lund
- Sweden
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26
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Cruchter T, Larionov VA. Asymmetric catalysis with octahedral stereogenic-at-metal complexes featuring chiral ligands. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2018.08.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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27
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Vicens L, Costas M. Biologically inspired oxidation catalysis using metallopeptides. Dalton Trans 2018; 47:1755-1763. [DOI: 10.1039/c7dt03657d] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Metalloenzymes can catalyze the oxidation of hydrocarbons with high efficiency and selectivity. For this reason, they are taken as inspiration for the development of new catalyst. A promising strategy is the combination of metal coordination complexes and peptide chains. The use of metallopeptides in oxidation reactions is discussed.
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Affiliation(s)
- Laia Vicens
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química
- Universitat de Girona
- Girona E-17071
- Spain
| | - Miquel Costas
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química
- Universitat de Girona
- Girona E-17071
- Spain
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28
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Tretbar M, Stark CBW. Large-Scale Synthesis of Symmetric Tetramine Ligands by Using a Modular Double Reductive Amination Approach. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700772] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Maik Tretbar
- Fachbereich Chemie; Institut für Organische Chemie; Universität Hamburg; Martin-Luther-King-Platz 6 20146 Hamburg Germany
| | - Christian B. W. Stark
- Fachbereich Chemie; Institut für Organische Chemie; Universität Hamburg; Martin-Luther-King-Platz 6 20146 Hamburg Germany
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29
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Liu H, An Z, He J. Nanosheet-enhanced efficiency in amine-catalyzed asymmetric epoxidation of α, β-unsaturated aldehydes via host-guest synergy. MOLECULAR CATALYSIS 2017. [DOI: 10.1016/j.mcat.2017.09.035] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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30
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Tamura M, Ogata H, Ishida Y, Takahashi Y. Design and synthesis of chiral 1,10-phenanthroline ligand, and application in palladium catalyzed asymmetric 1,4-addition reactions. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.08.041] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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31
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Zhang H, Yao Q, Lin L, Xu C, Liu X, Feng X. Catalytic Asymmetric Epoxidation of Electron-Deficient Enynes Promoted by Chiral N,N′
-Dioxide-Scandium(III) Complex. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700555] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Hang Zhang
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry; Sichuan University; Chengdu 610064 People's Republic of China
| | - Qian Yao
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry; Sichuan University; Chengdu 610064 People's Republic of China
| | - Lili Lin
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry; Sichuan University; Chengdu 610064 People's Republic of China
| | - Chaoran Xu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry; Sichuan University; Chengdu 610064 People's Republic of China
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry; Sichuan University; Chengdu 610064 People's Republic of China
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry; Sichuan University; Chengdu 610064 People's Republic of China
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32
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Zhang L, Meggers E. Stereogenic-Only-at-Metal Asymmetric Catalysts. Chem Asian J 2017; 12:2335-2342. [PMID: 28782915 DOI: 10.1002/asia.201700739] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 07/06/2017] [Indexed: 11/10/2022]
Abstract
Chirality is an essential feature of asymmetric catalysts. This review summarizes asymmetric catalysts that derive their chirality exclusively from stereogenic metal centers. Reported chiral-at-metal catalysts can be divided into two classes, namely, inert metal complexes, in which the metal fulfills a purely structural role, so catalysis is mediated entirely through the ligand sphere, and reactive metal complexes. The latter are particularly appealing because structural simplicity (only achiral ligands) is combined with the prospect of particularly effective asymmetric induction (direct contact of the substrate with the chiral metal center). Challenges and solutions for the design of such reactive stereogenic-only-at-metal asymmetric catalysts are discussed.
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Affiliation(s)
- Lilu Zhang
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse 4, 35043, Marburg, Germany
| | - Eric Meggers
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse 4, 35043, Marburg, Germany
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33
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Reyes JR, Xu J, Kobayashi K, Bhat V, Rawal VH. Total Synthesis of (−)‐
N
‐Methylwelwitindolinone B Isothiocyanate. Angew Chem Int Ed Engl 2017; 56:9962-9966. [DOI: 10.1002/anie.201705322] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Julius R. Reyes
- Department of ChemistryUniversity of Chicago 5735 South Ellis Avenue Chicago IL 60637 USA
| | - Jiasu Xu
- Department of ChemistryUniversity of Chicago 5735 South Ellis Avenue Chicago IL 60637 USA
| | - Kenichi Kobayashi
- Department of ChemistryUniversity of Chicago 5735 South Ellis Avenue Chicago IL 60637 USA
| | - Vikram Bhat
- Department of ChemistryUniversity of Chicago 5735 South Ellis Avenue Chicago IL 60637 USA
| | - Viresh H. Rawal
- Department of ChemistryUniversity of Chicago 5735 South Ellis Avenue Chicago IL 60637 USA
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34
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Reyes JR, Xu J, Kobayashi K, Bhat V, Rawal VH. Total Synthesis of (−)‐
N
‐Methylwelwitindolinone B Isothiocyanate. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201705322] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Julius R. Reyes
- Department of ChemistryUniversity of Chicago 5735 South Ellis Avenue Chicago IL 60637 USA
| | - Jiasu Xu
- Department of ChemistryUniversity of Chicago 5735 South Ellis Avenue Chicago IL 60637 USA
| | - Kenichi Kobayashi
- Department of ChemistryUniversity of Chicago 5735 South Ellis Avenue Chicago IL 60637 USA
| | - Vikram Bhat
- Department of ChemistryUniversity of Chicago 5735 South Ellis Avenue Chicago IL 60637 USA
| | - Viresh H. Rawal
- Department of ChemistryUniversity of Chicago 5735 South Ellis Avenue Chicago IL 60637 USA
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35
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Cussó O, Serrano-Plana J, Costas M. Evidence of a Sole Oxygen Atom Transfer Agent in Asymmetric Epoxidations with Fe-pdp Catalysts. ACS Catal 2017. [DOI: 10.1021/acscatal.7b01184] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Olaf Cussó
- QBIS Research Group, Institut de Química
Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia, Spain
| | - Joan Serrano-Plana
- QBIS Research Group, Institut de Química
Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia, Spain
| | - Miquel Costas
- QBIS Research Group, Institut de Química
Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia, Spain
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36
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DFT studies of the substituent effects of dimethylamino on non-heme active oxidizing species: iron(V)-oxo species or iron(IV)-oxo acetate aminopyridine cation radical species? J Biol Inorg Chem 2017; 22:987-998. [PMID: 28667369 DOI: 10.1007/s00775-017-1477-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2017] [Accepted: 06/26/2017] [Indexed: 10/19/2022]
Abstract
Through the introduction of dimethylamino (Me2N) substituent at the pyridine ring of 2-((R)-2-[(R)-1-(pyridine-2-ylmethyl)pyrrolidin-2-yl]pyrrolidin-1-ylmethyl)pyridine (PDP) ligand, the non-heme FeII(Me2NPDP)/H2O2/AcOH catalyst system was found to exhibit significant higher catalytic activity and enantioselectivity than the non-substituent one in the asymmetric epoxidation experiments. The mechanistic origin of the remarkable substituent effects in these oxidation reactions has not been well established. To ascertain the potent oxidant and the related reaction mechanism, a detailed DFT calculation was performed. Interestingly, a novel Fe(IV)-oxo Me2NPDP cation radical species, [(Me2NPDP)+·FeIV(O)(OAc)]2+ ( Me2N 5), with about one spin spreading over the non-heme Me2NPDP ligand was formed via a carboxylic-acid-assisted O-O bond heterolysis, which is reminiscent of Compound I (an Fe(IV)(O)(porphyrin cation radical) species) in cytochrome P450 chemistry. Me2N 5 is energetically comparable with the cyclic ferric peracetate species Me2N 6, while in the pristine Fe(PDP) catalyst system, H 6 is more stable than H 5. Comparison of the activation energy for the ethylene epoxidation promoted by Me2N 5 and Me2N 6, Me2N 5 is supposed as the true oxidant triggering the epoxidation of olefins. In addition, a systematic research on the substituent effects varied from the electron-donating substituent (dMM, the substituents at sites 3, 4, and 5 of the pyridine ring: methyl, methoxyl, and methyl) to the electron-withdrawing one (CF3, 2,6-bis(trifluoromethyl)phenyl) on the electronic structure of the reaction intermediates has also been investigated. An alternative cyclic ferric peracetate complex is obtained, indicating that the substituents at the pyridine ring of PDP ligands have significant impacts on the electronic structure of the oxidants.
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37
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Cusso O, Giuliano MW, Ribas X, Miller SJ, Costas M. A Bottom Up Approach Towards Artificial Oxygenases by Combining Iron Coordination Complexes and Peptides. Chem Sci 2017; 8:3660-3667. [PMID: 29270284 PMCID: PMC5734052 DOI: 10.1039/c7sc00099e] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
The combination of peptides and a chiral iron coordination complex catalyzes high yield highly asymmetric epoxidation with aqueous hydrogen peroxide.
Supramolecular systems resulting from the combination of peptides and a chiral iron coordination complex catalyze asymmetric epoxidation with aqueous hydrogen peroxide, providing good to excellent yields and high enantioselectivities in short reaction times. The peptide is shown to play a dual role; the terminal carboxylic acid assists the iron center in the efficient H2O2 activation step, while its β-turn structure is crucial to induce high enantioselectivity in the oxygen delivering step. The high level of stereoselection (84–92% ee) obtained by these supramolecular catalysts in the epoxidation of 1,1′-alkyl ortho-substituted styrenes, a notoriously challenging class of substrates for asymmetric catalysis, is not attainable with any other epoxidation methodology described so far. The current work, combining an iron center ligated to N and O based ligands, and a peptide scaffold that shapes the second coordination sphere, may be seen as a bottom up approach towards the design of artificial oxygenases.
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Affiliation(s)
- Olaf Cusso
- Institut de Química Computational i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia, Spain
| | - Michael W Giuliano
- Department of Chemistry and Biochemistry, College of Charleston, South Carolina, United States
| | - Xavi Ribas
- Institut de Química Computational i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia, Spain
| | - Scott J Miller
- Department of Chemistry, Yale University, P.O. Box 208107, New Haven, Connecticut 06520-8107, United States
| | - Miquel Costas
- Institut de Química Computational i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia, Spain
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38
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Wang W, Sun Q, Xu D, Xia C, Sun W. Asymmetric Epoxidation of Olefins with H2O2Catalyzed by a Bioinspired Aminopyridine N4 Iron Complex. ChemCatChem 2017. [DOI: 10.1002/cctc.201601293] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Wenfang Wang
- State Key Laboratory for Oxo Synthesis and Selective Oxidation and Suzhou Research Institute of Lanzhou Institute of Chemical Physics (LICP); Chinese Academy of Sciences; Lanzhou 730000 P.R. China
- University of Chinese Academy of Sciences; Beijing 100049 P.R. China
| | - Qiangsheng Sun
- State Key Laboratory for Oxo Synthesis and Selective Oxidation and Suzhou Research Institute of Lanzhou Institute of Chemical Physics (LICP); Chinese Academy of Sciences; Lanzhou 730000 P.R. China
| | - Daqian Xu
- State Key Laboratory for Oxo Synthesis and Selective Oxidation and Suzhou Research Institute of Lanzhou Institute of Chemical Physics (LICP); Chinese Academy of Sciences; Lanzhou 730000 P.R. China
| | - Chungu Xia
- State Key Laboratory for Oxo Synthesis and Selective Oxidation and Suzhou Research Institute of Lanzhou Institute of Chemical Physics (LICP); Chinese Academy of Sciences; Lanzhou 730000 P.R. China
| | - Wei Sun
- State Key Laboratory for Oxo Synthesis and Selective Oxidation and Suzhou Research Institute of Lanzhou Institute of Chemical Physics (LICP); Chinese Academy of Sciences; Lanzhou 730000 P.R. China
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39
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Ashokkumar V, Siva A. One-pot synthesis of α,β-epoxy ketones through domino reaction between alkenes and aldehydes catalyzed by proline based chiral organocatalysts. Org Biomol Chem 2017; 15:2551-2561. [DOI: 10.1039/c7ob00031f] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A proline based metal free organocatalysts developed by new approach for the synthesis of epoxide derivatives through domino reaction. This domino reaction allows the direct access to epoxide from various alkene and aldehyde through C–H functionalization and C–C/C–O bond formation. The catalytic efficiencies of organocatalysts were also determined by domino reaction with very good yield (up to 95 %) and ee's (up to 99 %).
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Affiliation(s)
- Veeramanoharan Ashokkumar
- Supramolecular and Organometallic Chemistry Lab
- School of Chemistry
- Madurai Kamaraj University
- Madurai 625 021
- India
| | - Ayyanar Siva
- Supramolecular and Organometallic Chemistry Lab
- School of Chemistry
- Madurai Kamaraj University
- Madurai 625 021
- India
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40
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Li T, Wang Z, Chen W, Miras HN, Song YF. Rational Design of a Polyoxometalate Intercalated Layered Double Hydroxide: Highly Efficient Catalytic Epoxidation of Allylic Alcohols under Mild and Solvent-Free Conditions. Chemistry 2016; 23:1069-1077. [DOI: 10.1002/chem.201604180] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Tengfei Li
- State Key Laboratory of Chemical Resource Engineering; Beijing University of Chemical Technology; Beijing 100029 P.R. China
| | - Zelin Wang
- State Key Laboratory of Chemical Resource Engineering; Beijing University of Chemical Technology; Beijing 100029 P.R. China
| | - Wei Chen
- State Key Laboratory of Chemical Resource Engineering; Beijing University of Chemical Technology; Beijing 100029 P.R. China
| | | | - Yu-Fei Song
- State Key Laboratory of Chemical Resource Engineering; Beijing University of Chemical Technology; Beijing 100029 P.R. China
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41
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Zima AM, Lyakin OY, Ottenbacher RV, Bryliakov KP, Talsi EP. Iron-Catalyzed Enantioselective Epoxidations with Various Oxidants: Evidence for Different Active Species and Epoxidation Mechanisms. ACS Catal 2016. [DOI: 10.1021/acscatal.6b02851] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Alexandra M. Zima
- Novosibirsk State University, Pirogova 2, Novosibirsk 630090, Russian Federation
- Boreskov Institute of Catalysis, Pr. Lavrentieva 5, Novosibirsk 630090, Russian Federation
| | - Oleg Y. Lyakin
- Novosibirsk State University, Pirogova 2, Novosibirsk 630090, Russian Federation
- Boreskov Institute of Catalysis, Pr. Lavrentieva 5, Novosibirsk 630090, Russian Federation
| | - Roman V. Ottenbacher
- Novosibirsk State University, Pirogova 2, Novosibirsk 630090, Russian Federation
- Boreskov Institute of Catalysis, Pr. Lavrentieva 5, Novosibirsk 630090, Russian Federation
| | - Konstantin P. Bryliakov
- Novosibirsk State University, Pirogova 2, Novosibirsk 630090, Russian Federation
- Boreskov Institute of Catalysis, Pr. Lavrentieva 5, Novosibirsk 630090, Russian Federation
| | - Evgenii P. Talsi
- Novosibirsk State University, Pirogova 2, Novosibirsk 630090, Russian Federation
- Boreskov Institute of Catalysis, Pr. Lavrentieva 5, Novosibirsk 630090, Russian Federation
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42
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Fürstner A. Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion. ACS CENTRAL SCIENCE 2016; 2:778-789. [PMID: 27981231 PMCID: PMC5140022 DOI: 10.1021/acscentsci.6b00272] [Citation(s) in RCA: 466] [Impact Index Per Article: 58.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Indexed: 05/03/2023]
Abstract
The current status of homogeneous iron catalysis in organic chemistry is contemplated, as are the reasons why this particular research area only recently starts challenging the enduring dominance of the late and mostly noble metals over the field. Centered in the middle of the d-block and able to support formal oxidation states ranging from -II to +VI, iron catalysts hold the promise of being able to encompass organic synthesis at large. They are expected to serve reductive as well as oxidative regimes, can emulate "noble tasks", but are also able to adopt "early" transition metal character. Since a comprehensive coverage of this multidimensional agenda is beyond the scope of an Outlook anyway, emphasis is laid in this article on the analysis of the factors that perhaps allow one to control the multifarious chemical nature of this earth-abundant metal. The challenges are significant, not least at the analytical frontier; their mastery mandates a mindset that differs from the routines that most organic chemists interested in (noble metal) catalysis tend to cultivate. This aspect notwithstanding, it is safe to predict that homogeneous iron catalysis bears the chance to enable a responsible paradigm for chemical synthesis and a sustained catalyst economy, while potentially providing substantial economic advantages. This promise will spur the systematic and in-depth investigations that it takes to upgrade this research area to strategy-level status in organic chemistry and beyond.
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Affiliation(s)
- Alois Fürstner
- Max-Planck-Institut für Kohlenforschung, D-45470 Mülheim/Ruhr, Germany
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43
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Naganawa Y, Nishiyama H. Renovation of Optically Active Phenanthrolines as Powerful Chiral Ligands for Versatile Asymmetric Metal Catalysis. CHEM REC 2016; 16:2573-2584. [PMID: 27500684 DOI: 10.1002/tcr.201600078] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Indexed: 01/26/2023]
Abstract
In the field of asymmetric synthesis, the development of new chiral ligands has been regarded as an attractive challenge for decades. Novel chiral ligands can often have a great impact on synthetic protocols. In this context, we are currently interested in the application of 1,10-phenanthroline (phen) as an entirely new class of chiral ligand. To handle this issue, we designed a chiral phen ligand that provides the N,N,O-tridentate coordination of the phen moiety and an additional phenolic hydroxyl group. As phen possesses greater coordination ability with various ions, our chiral phen ligand would be valuable as one of the "privileged" chiral ligands applied to a broad range of metal catalysts and new reactions. This account summarizes the results of the application of the chiral phen ligand to various kinds of metal catalysis.
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Affiliation(s)
- Yuki Naganawa
- Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Chikusa, Nagoya, 464-8603, Japan
| | - Hisao Nishiyama
- Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Chikusa, Nagoya, 464-8603, Japan
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44
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Li C, Shu X, Li L, Zhang G, Jin R, Cheng T, Liu G. A Cinchona Alkaloid-Functionalized Mesostructured Silica for Construction of Enriched Chiral β-Trifluoromethyl-β-Hydroxy Ketones over An Epoxidation-Relay Reduction Process. Chem Asian J 2016; 11:2072-7. [DOI: 10.1002/asia.201600640] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Cuibao Li
- Key Laboratory of Resource Chemistry of Ministry of Education; Shanghai Key Laboratory of Rare Earth Functional Materials; Shanghai Normal University; No.100 Guilin Rd. Shanghai 200234 P. R. China
| | - Xiaomin Shu
- Key Laboratory of Resource Chemistry of Ministry of Education; Shanghai Key Laboratory of Rare Earth Functional Materials; Shanghai Normal University; No.100 Guilin Rd. Shanghai 200234 P. R. China
| | - Liang Li
- Key Laboratory of Resource Chemistry of Ministry of Education; Shanghai Key Laboratory of Rare Earth Functional Materials; Shanghai Normal University; No.100 Guilin Rd. Shanghai 200234 P. R. China
| | - Genwei Zhang
- Key Laboratory of Resource Chemistry of Ministry of Education; Shanghai Key Laboratory of Rare Earth Functional Materials; Shanghai Normal University; No.100 Guilin Rd. Shanghai 200234 P. R. China
| | - Ronghua Jin
- Key Laboratory of Resource Chemistry of Ministry of Education; Shanghai Key Laboratory of Rare Earth Functional Materials; Shanghai Normal University; No.100 Guilin Rd. Shanghai 200234 P. R. China
| | - Tanyu Cheng
- Key Laboratory of Resource Chemistry of Ministry of Education; Shanghai Key Laboratory of Rare Earth Functional Materials; Shanghai Normal University; No.100 Guilin Rd. Shanghai 200234 P. R. China
| | - Guohua Liu
- Key Laboratory of Resource Chemistry of Ministry of Education; Shanghai Key Laboratory of Rare Earth Functional Materials; Shanghai Normal University; No.100 Guilin Rd. Shanghai 200234 P. R. China
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45
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Serrano-Plana J, Aguinaco A, Belda R, García-España E, Basallote MG, Company A, Costas M. Exceedingly Fast Oxygen Atom Transfer to Olefins via a Catalytically Competent Nonheme Iron Species. Angew Chem Int Ed Engl 2016; 55:6310-4. [DOI: 10.1002/anie.201601396] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Revised: 03/21/2016] [Indexed: 10/21/2022]
Affiliation(s)
- Joan Serrano-Plana
- Grup de Química Bioinorgànica; Supramolecular i Catàlisi (QBIS-CAT); Institut de Química Computacional I Catàlisi (IQCC); Departament de Química; Universitat de Girona; Campus Montilivi 17071 Girona Catalonia, Spain
| | - Almudena Aguinaco
- Universidad de Cádiz; Facultad de Ciencias; Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica; Apdo. 40, 11510 Puerto Real Cádiz Spain
| | - Raquel Belda
- Instituto de Ciencia Molecular (ICMol); Universidad de Valencia; C/Catedrático José Beltrán, Paterna Valencia 2 46980 Spain
| | - Enrique García-España
- Instituto de Ciencia Molecular (ICMol); Universidad de Valencia; C/Catedrático José Beltrán, Paterna Valencia 2 46980 Spain
| | - Manuel G. Basallote
- Universidad de Cádiz; Facultad de Ciencias; Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica; Apdo. 40, 11510 Puerto Real Cádiz Spain
| | - Anna Company
- Grup de Química Bioinorgànica; Supramolecular i Catàlisi (QBIS-CAT); Institut de Química Computacional I Catàlisi (IQCC); Departament de Química; Universitat de Girona; Campus Montilivi 17071 Girona Catalonia, Spain
| | - Miquel Costas
- Grup de Química Bioinorgànica; Supramolecular i Catàlisi (QBIS-CAT); Institut de Química Computacional I Catàlisi (IQCC); Departament de Química; Universitat de Girona; Campus Montilivi 17071 Girona Catalonia, Spain
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46
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Serrano-Plana J, Aguinaco A, Belda R, García-España E, Basallote MG, Company A, Costas M. Exceedingly Fast Oxygen Atom Transfer to Olefins via a Catalytically Competent Nonheme Iron Species. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201601396] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Joan Serrano-Plana
- Grup de Química Bioinorgànica; Supramolecular i Catàlisi (QBIS-CAT); Institut de Química Computacional I Catàlisi (IQCC); Departament de Química; Universitat de Girona; Campus Montilivi 17071 Girona Catalonia, Spain
| | - Almudena Aguinaco
- Universidad de Cádiz; Facultad de Ciencias; Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica; Apdo. 40, 11510 Puerto Real Cádiz Spain
| | - Raquel Belda
- Instituto de Ciencia Molecular (ICMol); Universidad de Valencia; C/Catedrático José Beltrán, Paterna Valencia 2 46980 Spain
| | - Enrique García-España
- Instituto de Ciencia Molecular (ICMol); Universidad de Valencia; C/Catedrático José Beltrán, Paterna Valencia 2 46980 Spain
| | - Manuel G. Basallote
- Universidad de Cádiz; Facultad de Ciencias; Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica; Apdo. 40, 11510 Puerto Real Cádiz Spain
| | - Anna Company
- Grup de Química Bioinorgànica; Supramolecular i Catàlisi (QBIS-CAT); Institut de Química Computacional I Catàlisi (IQCC); Departament de Química; Universitat de Girona; Campus Montilivi 17071 Girona Catalonia, Spain
| | - Miquel Costas
- Grup de Química Bioinorgànica; Supramolecular i Catàlisi (QBIS-CAT); Institut de Química Computacional I Catàlisi (IQCC); Departament de Química; Universitat de Girona; Campus Montilivi 17071 Girona Catalonia, Spain
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47
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Cussó O, Cianfanelli M, Ribas X, Klein Gebbink RJM, Costas M. Iron Catalyzed Highly Enantioselective Epoxidation of Cyclic Aliphatic Enones with Aqueous H2O2. J Am Chem Soc 2016; 138:2732-8. [DOI: 10.1021/jacs.5b12681] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Olaf Cussó
- QBIS
Research Group, Institut de Química Computacional i Catàlisi
(IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia Spain
| | - Marco Cianfanelli
- QBIS
Research Group, Institut de Química Computacional i Catàlisi
(IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia Spain
| | - Xavi Ribas
- QBIS
Research Group, Institut de Química Computacional i Catàlisi
(IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia Spain
| | - Robertus J. M. Klein Gebbink
- Organic Chemistry & Catalysis, Debye Institute for Nanomaterials Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
| | - Miquel Costas
- QBIS
Research Group, Institut de Química Computacional i Catàlisi
(IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia Spain
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48
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Zhu CL, Zhang YQ, Yuan YA, Xu H. Copper-Catalyzed Aerobic C-H Trifluoromethylation of Phenanthrolines. Synlett 2016; 26:345-349. [PMID: 26855477 DOI: 10.1055/s-0034-1379319] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Direct C-H trifluoromethylation of heterocycles is a valuable transformation. In particular, nonprecious metal-catalyzed C-H trifluoromethylation processes, which do not proceed through CF3 radical species, have been less developed. In this cluster report, a new copper-catalyzed aerobic C-H trifluoromethylation of phenanthrolines is described. This transformation affords trifluoromethylated phenanthrolines that have not been synthesized and preliminary mechanistic studies suggest that the CF3 group transfer may occur through cooperative activation.
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Affiliation(s)
- Cheng-Liang Zhu
- Department of Chemistry, Georgia State University, 100 Piedmont Avenue SE, Atlanta, GA 30303, USA
| | - Yong-Qiang Zhang
- Department of Chemistry, Georgia State University, 100 Piedmont Avenue SE, Atlanta, GA 30303, USA
| | - Yong-An Yuan
- Department of Chemistry, Georgia State University, 100 Piedmont Avenue SE, Atlanta, GA 30303, USA
| | - Hao Xu
- Department of Chemistry, Georgia State University, 100 Piedmont Avenue SE, Atlanta, GA 30303, USA
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49
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Raheem Keeri A, Justyniak I, Jurczak J, Lewiński J. Quest for Efficient Catalysts based on Zinctert-Butyl Peroxides for Asymmetric Epoxidation of Enones:C2-vs C1-Symmetric Auxiliaries. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201500764] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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50
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Wojaczyńska E, Skarżewski J, Sidorowicz Ł, Wieczorek R, Wojaczyński J. Zinc complexes formed by 2,2′-bipyridine and 1,10-phenanthroline moieties combined with 2-azanorbornane: modular chiral catalysts for aldol reactions. NEW J CHEM 2016. [DOI: 10.1039/c6nj02251k] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Zinc complexes of new hybrid chiral imine ligands based on a bicyclic skeleton appear to be effective modular catalysts in asymmetric aldol reactions.
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Affiliation(s)
- Elżbieta Wojaczyńska
- Departament of Organic Chemistry
- Faculty of Chemistry
- Wrocław University of Technology
- Poland
| | - Jacek Skarżewski
- Departament of Organic Chemistry
- Faculty of Chemistry
- Wrocław University of Technology
- Poland
| | - Łukasz Sidorowicz
- Departament of Organic Chemistry
- Faculty of Chemistry
- Wrocław University of Technology
- Poland
| | - Robert Wieczorek
- Department of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
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