1
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Liu CX, Zhao F, Gu Q, You SL. Enantioselective Rh(I)-Catalyzed C-H Arylation of Ferroceneformaldehydes. ACS CENTRAL SCIENCE 2023; 9:2036-2043. [PMID: 38033798 PMCID: PMC10683487 DOI: 10.1021/acscentsci.3c00748] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Indexed: 12/02/2023]
Abstract
As an important class of platform molecules, planar chiral ferrocene carbonyl compounds could be transformed into various functional groups offering facile synthesis of chiral ligands and catalysts. However, developing efficient and straightforward methods for accessing enantiopure planar chiral ferrocene carbonyl compounds, especially ferroceneformaldehydes, remains highly challenging. Herein, we report a rhodium(I)/phosphoramidite-catalyzed enantioselective C-H bond arylation of ferroceneformaldehydes. Readily available aryl halides such as aryl iodides, aryl bromides, and even aryl chlorides are suitable coupling partners in this transformation, leading to a series of planar chiral ferroceneformaldehydes in good yields and excellent enantioselectivity (up to 83% yield and >99% ee). The aldehyde group could be transformed into diverse functional groups smoothly, and enantiopure Ugi's amine and PPFA analogues could be synthesized efficiently. The latter was found to be a highly efficient ligand in Pd-catalyzed asymmetric allylic alkylation reactions. Mechanistic experiments supported the formation of imine intermediates as the key step during the reaction.
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Affiliation(s)
| | | | - Qing Gu
- New Cornerstone Science Laboratory,
State Key Laboratory of Organometallic Chemistry, Shanghai Institute
of Organic Chemistry, University of Chinese
Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, People’s Republic of China
| | - Shu-Li You
- New Cornerstone Science Laboratory,
State Key Laboratory of Organometallic Chemistry, Shanghai Institute
of Organic Chemistry, University of Chinese
Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, People’s Republic of China
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2
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Hendricks H, Roque JB. Synthesis of Planar Chiral Ferroceneformaldehydes via Rh(I)-Catalyzed C-H Arylation. ACS CENTRAL SCIENCE 2023; 9:2002-2005. [PMID: 38033799 PMCID: PMC10683478 DOI: 10.1021/acscentsci.3c01225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Affiliation(s)
- Hailey Hendricks
- Department of Chemistry, Princeton University, Princeton, New Jersey, 08544, United States
| | - Jose. B. Roque
- Department of Chemistry, Princeton University, Princeton, New Jersey, 08544, United States
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3
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Cao F, Wang Y, Feng P, Hu J, Yang Y, Zhang H. Pd-Catalyzed Asymmetric Oxidative C-H/C-H Cross-Coupling Reaction between Ferrocenes and Azoles. J Org Chem 2023; 88:5752-5759. [PMID: 37083480 DOI: 10.1021/acs.joc.3c00212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/22/2023]
Abstract
The asymmetric C-H bond functionalization reaction is one of the most efficient and straightforward methods for the synthesis of optically active molecules. Herein, our work discovered a Pd-catalyzed asymmetric oxidative C-H/C-H cross-coupling reaction of ferrocenes with azoles such as oxazoles and thiazoles. Mono-N-protected amino acid as chiral ligands with palladium(II) has been demonstrated as an effective catalytic system in a weakly azine-directed asymmetric C-H bond functionalization reaction. This method offers a powerful strategy for constructing various substituted planar chiral ferrocenes via a dual C-H bond activation pathway in medium yields (up to 70%) with good enantioselectivity (up to 95.3:4.7 er) under mild conditions.
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Affiliation(s)
- Feifei Cao
- College of Chemistry & Chemical Engineering, Inner Mongolia University, Hohhot 010021, PR China
| | - Yanjiao Wang
- College of Chemistry & Chemical Engineering, Inner Mongolia University, Hohhot 010021, PR China
| | - Pengcheng Feng
- College of Chemistry & Chemical Engineering, Inner Mongolia University, Hohhot 010021, PR China
| | - Jianfeng Hu
- College of Chemistry & Chemical Engineering, Inner Mongolia University, Hohhot 010021, PR China
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Hohhot 010021, PR China
| | - Yong Yang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, Shanxi 030001, PR China
- National Energy Center for Coal to Clean Fuels, Synfuels China Co., Ltd., Huairou District, Beijing 101400, PR China
| | - Hao Zhang
- College of Chemistry & Chemical Engineering, Inner Mongolia University, Hohhot 010021, PR China
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Hohhot 010021, PR China
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4
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Liu CX, Xie PP, Zhao F, Wang Q, Feng Z, Wang H, Zheng C, You SL. Explicit Mechanism of Rh(I)-Catalyzed Asymmetric C-H Arylation and Facile Synthesis of Planar Chiral Ferrocenophanes. J Am Chem Soc 2023; 145:4765-4773. [PMID: 36787487 DOI: 10.1021/jacs.2c13542] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Mechanism-guided reaction development is a well-appreciated research paradigm in chemistry since the merging of mechanistic knowledge would accelerate the discovery of new synthetic methods. Low-valent transition metals such as Pd(0)- and Rh(I)-catalyzed C-H arylation with aryl (pseudo)halides is among the enabling reactions for the exclusive cross-coupling of two different aryl partners. However, different from the situation of Pd(0)-catalysis, the mechanism of Rh(I)-catalyzed C-H arylation is underexplored. The sequence of the elementary steps of aryl C-H activation and oxidative addition of aryl (pseudo)halides remains unclear. Herein, we report comprehensive experimental and computational studies toward explicit mechanistic understandings of Rh(I)-catalyzed intermolecular asymmetric C-H arylation between 2-pyridinylferrocenes and aryl bromides. The identification of each elementary step in the catalytic cycle and the structural characterization of the key intermediates and transition states allow the rational design and development of challenging intramolecular reactions. The successful realization of this reaction mode set the foundation for the facile synthesis of planar chiral [m]ferrocenophanes (m = 6-8), a class of rarely explored target molecules with strained structures and intriguing molecular topology.
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Affiliation(s)
- Chen-Xu Liu
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Pei-Pei Xie
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Fangnuo Zhao
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Quannan Wang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Zuolijun Feng
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Haoyang Wang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Chao Zheng
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Shu-Li You
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
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5
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Wang J, Liu Y, Han N, Gao Y, Luo J. ortho-C(sp 3)-H arylation of aromatic aldehydes using 2-amino- N-methyl-acetamide as a L,L-type transient directing group. Org Biomol Chem 2023; 21:1878-1882. [PMID: 36789479 DOI: 10.1039/d3ob00024a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Pd-catalyzed ortho-C(sp3)-H arylation of aromatic aldehydes using 2-amino-N-methyl-acetamide as a simple, efficient and commercially available L,L-type transient directing group (TDG) is reported. The reaction exhibited excellent substrate compatibility and generated the desired products in moderate-to-high yields up to 78%. Further acid-catalyzed cyclization and dehydrative aromatization were also tested, and furnished some polycyclic aromatic hydrocarbons with excellent yields up to 96%. The X-ray crystal structure of a 2-methylbenzaldehyde ortho-C(sp3)-H palladation intermediate was obtained. Then, a plausible reaction mechanism involving the formation of a [5,6]-fused palladacycle was proposed. This approach offers valuable insights for exploiting novel L,L-type TDGs.
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Affiliation(s)
- Jinyuan Wang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Yunzhi Liu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Nan Han
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Yuan Gao
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Jun Luo
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
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6
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Zhang J, Fan J, Guo Z, Wu Y, Wu J, Xie M. Palladium‐catalyzed Atroposelective Interannular C‐H Arylation of Biaryl Aldehydes with Aryl Iodides Enabled by a Transient Directing Group Strategy. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | | | | | - Yehe Wu
- Anhui Normal University CHINA
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7
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Motiwala HF, Armaly AM, Cacioppo JG, Coombs TC, Koehn KRK, Norwood VM, Aubé J. HFIP in Organic Synthesis. Chem Rev 2022; 122:12544-12747. [PMID: 35848353 DOI: 10.1021/acs.chemrev.1c00749] [Citation(s) in RCA: 117] [Impact Index Per Article: 58.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
1,1,1,3,3,3-Hexafluoroisopropanol (HFIP) is a polar, strongly hydrogen bond-donating solvent that has found numerous uses in organic synthesis due to its ability to stabilize ionic species, transfer protons, and engage in a range of other intermolecular interactions. The use of this solvent has exponentially increased in the past decade and has become a solvent of choice in some areas, such as C-H functionalization chemistry. In this review, following a brief history of HFIP in organic synthesis and an overview of its physical properties, literature examples of organic reactions using HFIP as a solvent or an additive are presented, emphasizing the effect of solvent of each reaction.
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Affiliation(s)
- Hashim F Motiwala
- Divison of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 United States
| | - Ahlam M Armaly
- Divison of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 United States
| | - Jackson G Cacioppo
- Divison of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 United States
| | - Thomas C Coombs
- Department of Chemistry, University of North Carolina Wilmington, Wilmington, North Carolina 28403 United States
| | - Kimberly R K Koehn
- Divison of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 United States
| | - Verrill M Norwood
- Divison of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 United States
| | - Jeffrey Aubé
- Divison of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 United States
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8
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Li H, Luo H, Ban Y, Wang Y, Li D, Yang J. Thioamide‐Directed Transition‐metal‐catalyzed C(sp2) –H bond vinylation and arylation of Ferrocenes. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Hao Li
- Ningxia University State Key Laboratory of High Efficiency Utilization of Coal and Green Chemical Engineering CHINA
| | - Hui Luo
- Ningxia University State Key Laboratory of High Efficiency Utilization of Coal and Green Chemical Engineering CHINA
| | - Yan Ban
- Ningxia University State Key Laboratory of High Efficiency Utilization of Coal and Green Chemical Engineering CHINA
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9
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Hu G, Brenner-Moyer SE. Design and synthesis of novel pyrrolidine-bipyridine structures. SYNTHETIC COMMUN 2022. [DOI: 10.1080/00397911.2022.2103433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
- Guang Hu
- Department of Chemistry, Rutgers University, Newark, NJ, USA
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10
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Aravindan N, Vinayagam V, Jeganmohan M. A Ruthenium-Catalyzed Cyclization to Dihydrobenzo[ c]phenanthridinone from 7-Azabenzonorbornadienes with Aryl Amides. Org Lett 2022; 24:5260-5265. [PMID: 35838244 DOI: 10.1021/acs.orglett.2c01734] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
An efficient ruthenium(II)-catalyzed tandem C-C/C-N bond formation with aryl amides and 7-azabenzonorbornadienes has been developed to synthesize cis-fused dihydrobenzo[c]phenanthridinones. The amide group functions as a directing group as well as a leaving group and provides an easy access to the pharmaceutically useful benzo[c]phenanthridine alkaloids such as nitidine and fagaronine analogues. The present methodology is compatible with various functional groups with respect to azabicyclic alkenes and aromatic amides. The reaction mechanism involving directing-group-assisted C-H activation was proposed and supported by the deuterium labeling studies.
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Affiliation(s)
- Narasingan Aravindan
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India
| | - Varathan Vinayagam
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India
| | - Masilamani Jeganmohan
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India
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11
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Zhang J, Fan J, Wu Y, Guo Z, Wu J, Xie M. Pd-Catalyzed Atroposelective C–H Acyloxylation Enabling Access to an Axially Chiral Biaryl Phenol Organocatalyst. Org Lett 2022; 24:5143-5148. [DOI: 10.1021/acs.orglett.2c01981] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Jitan Zhang
- Key Laboratory of Functional Molecular Solids (Ministry of Education), Anhui Key Laboratory of Molecular Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Jian Fan
- Key Laboratory of Functional Molecular Solids (Ministry of Education), Anhui Key Laboratory of Molecular Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Yehe Wu
- Key Laboratory of Functional Molecular Solids (Ministry of Education), Anhui Key Laboratory of Molecular Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Ziyi Guo
- Key Laboratory of Functional Molecular Solids (Ministry of Education), Anhui Key Laboratory of Molecular Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Jiaping Wu
- Key Laboratory of Functional Molecular Solids (Ministry of Education), Anhui Key Laboratory of Molecular Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Meihua Xie
- Key Laboratory of Functional Molecular Solids (Ministry of Education), Anhui Key Laboratory of Molecular Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
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12
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Tian M, Shao L, Su X, Zhou X, Zhang H, Wei K, Sun R, Wang J. Transient directing group enabled Pd-catalyzed C-H oxygenation of benzaldehydes and benzylic amines. RSC Adv 2022; 12:18722-18727. [PMID: 35873337 PMCID: PMC9235058 DOI: 10.1039/d2ra00241h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 06/11/2022] [Indexed: 11/21/2022] Open
Abstract
We report a general protocol for ortho-C-H fluoroalkoxylation of benzaldehydes and benzylic amines utilizing an inexpensive amino amide as a transient directing group. In the presence of an electrophilic fluorinating bystanding oxidant and fluorinated alcohols, a wide range of benzaldehydes and benzylic amines could be oxygenated selectively at the ortho positions to afford fluoroalkyl aryl ethers. This elegant approach would provide appealing strategies for synthesis of drug molecules and natural products.
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Affiliation(s)
- Mixiang Tian
- Center for Scientific Research, Yunnan University of Chinese Medicine Kunming Yunnan 650500 P. R. China
| | - Lidong Shao
- Center for Scientific Research, Yunnan University of Chinese Medicine Kunming Yunnan 650500 P. R. China
| | - Xiaosan Su
- Center for Scientific Research, Yunnan University of Chinese Medicine Kunming Yunnan 650500 P. R. China
| | - Xuhong Zhou
- Center for Scientific Research, Yunnan University of Chinese Medicine Kunming Yunnan 650500 P. R. China
| | - Honglei Zhang
- Center for Scientific Research, Yunnan University of Chinese Medicine Kunming Yunnan 650500 P. R. China
| | - Kun Wei
- School of Chemical Science and Technology, Yunnan University Kunming Yunnan 650500 P. R. China
| | - Ruifen Sun
- Center for Scientific Research, Yunnan University of Chinese Medicine Kunming Yunnan 650500 P. R. China
| | - Junliang Wang
- Center for Scientific Research, Yunnan University of Chinese Medicine Kunming Yunnan 650500 P. R. China
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13
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Liu M, Sun J, Erbay TG, Ni H, Martín‐Montero R, Liu P, Engle KM. Pd II -Catalyzed C(alkenyl)-H Activation Facilitated by a Transient Directing Group. Angew Chem Int Ed Engl 2022; 61:e202203624. [PMID: 35467792 PMCID: PMC9320856 DOI: 10.1002/anie.202203624] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Indexed: 12/12/2022]
Abstract
Palladium(II)-catalyzed C(alkenyl)-H alkenylation enabled by a transient directing group (TDG) strategy is described. The dual catalytic process takes advantage of reversible condensation between an alkenyl aldehyde substrate and an amino acid TDG to facilitate coordination of the metal catalyst and subsequent C(alkenyl)-H activation by a tailored carboxylate base. The resulting palladacycle then engages an acceptor alkene, furnishing a 1,3-diene with high regio- and E/Z-selectivity. The reaction enables the synthesis of enantioenriched atropoisomeric 2-aryl-substituted 1,3-dienes, which have seldom been examined in previous literature. Catalytically relevant alkenyl palladacycles were synthesized and characterized by X-ray crystallography, and the energy profiles of the C(alkenyl)-H activation step and the stereoinduction model were elucidated by density functional theory (DFT) calculations.
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Affiliation(s)
- Mingyu Liu
- Department of ChemistryThe Scripps Research Institute10550 N. Torrey Pines RoadLa JollaCA 92037USA
| | - Juntao Sun
- Department of ChemistryThe Scripps Research Institute10550 N. Torrey Pines RoadLa JollaCA 92037USA
| | - Tuğçe G. Erbay
- Department of ChemistryUniversity of PittsburghPittsburghPA 15260USA
| | - Hui‐Qi Ni
- Department of ChemistryThe Scripps Research Institute10550 N. Torrey Pines RoadLa JollaCA 92037USA
| | - Raúl Martín‐Montero
- Department of ChemistryThe Scripps Research Institute10550 N. Torrey Pines RoadLa JollaCA 92037USA
| | - Peng Liu
- Department of ChemistryUniversity of PittsburghPittsburghPA 15260USA
| | - Keary M. Engle
- Department of ChemistryThe Scripps Research Institute10550 N. Torrey Pines RoadLa JollaCA 92037USA
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14
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Zhang ZZ, Huang DY, Shi BF. Recent advances in the synthesis of ferrocene derivatives via 3d transition metal-catalyzed C-H functionalization. Org Biomol Chem 2022; 20:4061-4073. [PMID: 35521690 DOI: 10.1039/d2ob00558a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
In recent years, transition-metal-catalyzed C-H functionalization has gradually developed into a powerful tool for the synthesis of ferrocenes in an atom- and step-economic fashion. However, despite significant achievements, the vast majority of these C-H functionalizations required precious 4d or 5d transition metal catalysts. The use of inexpensive and sustainable 3d metals in the C-H functionalization of ferrocenes remains challenging, especially the development of asymmetric versions. Herein, we summarize the remarkable recent progress in the synthesis of ferrocenes by 3d transition metal-catalyzed C-H activation until December 2021.
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Affiliation(s)
- Zhuo-Zhuo Zhang
- School of Food and Biological Engineering, Chengdu University, Chengdu, Sichuan, 610106, China.
| | - Dan-Ying Huang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, China
| | - Bing-Feng Shi
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310027, China
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15
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Liu M, Sun J, Erbay TG, Ni H, Martín‐Montero R, Liu P, Engle KM. Pd
II
‐Catalyzed C(alkenyl)−H Activation Facilitated by a Transient Directing Group**. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202203624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Mingyu Liu
- Department of Chemistry The Scripps Research Institute 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Juntao Sun
- Department of Chemistry The Scripps Research Institute 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Tuğçe G. Erbay
- Department of Chemistry University of Pittsburgh Pittsburgh PA 15260 USA
| | - Hui‐Qi Ni
- Department of Chemistry The Scripps Research Institute 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Raúl Martín‐Montero
- Department of Chemistry The Scripps Research Institute 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Peng Liu
- Department of Chemistry University of Pittsburgh Pittsburgh PA 15260 USA
| | - Keary M. Engle
- Department of Chemistry The Scripps Research Institute 10550 N. Torrey Pines Road La Jolla CA 92037 USA
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16
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Qiao L, Zhang AA, Chen J, Li GW, Gao YY, Fan B, Liu L. Palladium-Catalyzed Disilylation of 2-Bromoarylferrocenes: An Efficient Approach to 1-Trimethylsilyl-2-(2-trimethylsilylaryl)ferrocenes. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.153821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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17
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Wang Q, Nie YH, Liu CX, Zhang WW, Wu ZJ, Gu Q, Zheng C, You SL. Rhodium(III)-Catalyzed Enantioselective C–H Activation/Annulation of Ferrocenecarboxamides with Internal Alkynes. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00083] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Quannan Wang
- State Key Laboratory of Organometallic Chemistry, Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, 345 Lingling Lu, Shanghai 200032, China
| | - Yu-Han Nie
- State Key Laboratory of Organometallic Chemistry, Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, 345 Lingling Lu, Shanghai 200032, China
| | - Chen-Xu Liu
- State Key Laboratory of Organometallic Chemistry, Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, 345 Lingling Lu, Shanghai 200032, China
| | - Wen-Wen Zhang
- State Key Laboratory of Organometallic Chemistry, Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, 345 Lingling Lu, Shanghai 200032, China
| | - Zhi-Jie Wu
- State Key Laboratory of Organometallic Chemistry, Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, 345 Lingling Lu, Shanghai 200032, China
| | - Qing Gu
- State Key Laboratory of Organometallic Chemistry, Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, 345 Lingling Lu, Shanghai 200032, China
| | - Chao Zheng
- State Key Laboratory of Organometallic Chemistry, Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, 345 Lingling Lu, Shanghai 200032, China
| | - Shu-Li You
- State Key Laboratory of Organometallic Chemistry, Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, 345 Lingling Lu, Shanghai 200032, China
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18
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Ahmad MS, Meguellati K. Recent Advances in Metal Catalyzed C−H Functionalization with a Wide Range of Directing Groups. ChemistrySelect 2022. [DOI: 10.1002/slct.202103716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | - Kamel Meguellati
- School of Pharmacy Jinan University 855 Xingye Avenue East Guangzhou 511436 China
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19
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Nadeem Q, Battistin F, Blacque O, Alberto R. Naphthalene Exchange in [Re(η 6 -napht) 2 ] + with Pharmaceuticals Leads to Highly Functionalized Sandwich Complexes [M(η 6 -pharm) 2 ] + (M=Re/ 99m Tc). Chemistry 2022; 28:e202103566. [PMID: 34817903 PMCID: PMC9300139 DOI: 10.1002/chem.202103566] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Indexed: 01/07/2023]
Abstract
Bis-arene sandwich complexes are generally prepared by the Fischer-Hafner reaction, which conditions are incompatible with most O- and N- functional groups. We report a new way for the synthesis of sandwich type complexes [Re(η6 -arene)2 ]+ and [Re(η6 -arene)(η6 -benzene)]+ from [Re(η6 -napht)2 ]+ and [Re(η6 -napht)(η6 -benzene)]+ , with functionalized arenes and pharmaceuticals. N-methylpyrrolidine (NMP) facilitates the substitution of naphthalene with the incoming arene. A series of fully characterized rhenium sandwich complexes with simple arenes, such as aniline, as well as with active compounds like lidocaine and melatonin are presented. With these rhenium compounds in hand, the radioactive sandwich complexes [99m Tc(η6 -pharm)2 ]+ (pharm=pharmaceutical) can be unambiguously confirmed. The direct labelling of pharmaceuticals with 99m Tc through η6 -coordination to phenyl rings and the confirmation of the structures with the rhenium homologues opens a path into molecular theranostics.
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Affiliation(s)
- Qaisar Nadeem
- Department of ChemistryUniversity of ZurichWinterthurerstr. 1908057ZurichSwitzerland
| | - Federica Battistin
- Department of ChemistryUniversity of ZurichWinterthurerstr. 1908057ZurichSwitzerland
| | - Olivier Blacque
- Department of ChemistryUniversity of ZurichWinterthurerstr. 1908057ZurichSwitzerland
| | - Roger Alberto
- Department of ChemistryUniversity of ZurichWinterthurerstr. 1908057ZurichSwitzerland
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20
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Zou X, Li Y, Ke Z, Xu S. Chiral Bidentate Boryl Ligand-Enabled Iridium-Catalyzed Enantioselective Dual C–H Borylation of Ferrocenes: Reaction Development and Mechanistic Insights. ACS Catal 2022. [DOI: 10.1021/acscatal.1c05299] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xiaoliang Zou
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Center for Excellence in Molecular Synthesis, Suzhou Research Institute, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Yinwu Li
- School of Materials Science & Engineering, PCFM Lab, Sun Yat-sen University, Guangzhou 510275, China
| | - Zhuofeng Ke
- School of Materials Science & Engineering, PCFM Lab, Sun Yat-sen University, Guangzhou 510275, China
| | - Senmiao Xu
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Center for Excellence in Molecular Synthesis, Suzhou Research Institute, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China
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21
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22
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Yu X, Zhang ZZ, Niu JL, Shi BF. Coordination-assisted, transition-metal-catalyzed enantioselective desymmetric C–H functionalization. Org Chem Front 2022. [DOI: 10.1039/d1qo01884a] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Recent advances in transition-metal-catalyzed enantioselective desymmetric C–H functionalization are summarized.
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Affiliation(s)
- Xin Yu
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310027, China
| | - Zhuo-Zhuo Zhang
- School of Food and Biological Engineering, Chengdu University, Chengdu, Sichuan, 610106, China
| | - Jun-Long Niu
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Bing-Feng Shi
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310027, China
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23
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Cao F, Chen Q, Shan H, Ling L, Hu J, Zhang H. Pd(II)-Catalyzed Azine-Assisted Enantioselective Oxidative C-H/C-H Cross-Coupling of Ferrocenes with Various Heteroarenes. J Org Chem 2021; 87:479-487. [PMID: 34913339 DOI: 10.1021/acs.joc.1c02485] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A palladium(II)-catalyzed enantioselective oxidative cross-coupling of ferrocenes with heteroarenes is described. Mono-N-protected amino acids can be used as sources of chirality. With azine as an efficient directing group, various substituted planar chiral ferrocenes were obtained via a dual C-H bond activation pathway in medium yields (up to 72%) with good enantioselectivity (up to 89.4:10.6 er) under mild conditions.
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Affiliation(s)
- Feifei Cao
- College of Chemistry & Chemical Engineering, Inner Mongolia University, Hohhot 010021, PR China
| | - Qian Chen
- College of Chemistry & Chemical Engineering, Inner Mongolia University, Hohhot 010021, PR China
| | - He Shan
- College of Chemistry & Chemical Engineering, Inner Mongolia University, Hohhot 010021, PR China
| | - Li Ling
- College of Chemistry & Chemical Engineering, Inner Mongolia University, Hohhot 010021, PR China.,Inner Mongolia Key Laboratory of Fine Organic Synthesis, Hohhot 010021, PR China
| | - Jianfeng Hu
- College of Chemistry & Chemical Engineering, Inner Mongolia University, Hohhot 010021, PR China.,Inner Mongolia Key Laboratory of Fine Organic Synthesis, Hohhot 010021, PR China
| | - Hao Zhang
- College of Chemistry & Chemical Engineering, Inner Mongolia University, Hohhot 010021, PR China.,Inner Mongolia Key Laboratory of Fine Organic Synthesis, Hohhot 010021, PR China
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24
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Jacob C, Maes BUW, Evano G. Transient Directing Groups in Metal-Organic Cooperative Catalysis. Chemistry 2021; 27:13899-13952. [PMID: 34286873 DOI: 10.1002/chem.202101598] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Indexed: 12/13/2022]
Abstract
The direct functionalization of C-H bonds is among the most fundamental chemical transformations in organic synthesis. However, when the innate reactivity of the substrate cannot be utilized for the functionalization of a given single C-H bond, this selective C-H bond functionalization mostly relies on the use of directing groups that allow bringing the catalyst in close proximity to the C-H bond to be activated and these directing groups need to be installed before and cleaved after the transformation, which involves two additional undesired synthetic operations. These additional steps dramatically reduce the overall impact and the attractiveness of C-H bond functionalization techniques since classical approaches based on substrate pre-functionalization are sometimes still more straightforward and appealing. During the past decade, a different approach involving both the in situ installation and removal of the directing group, which can then often be used in a catalytic manner, has emerged: the transient directing group strategy. In addition to its innovative character, this strategy has brought C-H bond functionalization to an unprecedented level of usefulness and has enabled the development of remarkably efficient processes for the direct and selective introduction of functional groups onto both aromatic and aliphatic substrates. The processes unlocked by the development of these transient directing groups will be comprehensively overviewed in this review article.
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Affiliation(s)
- Clément Jacob
- Laboratoire de Chimie Organique, Service de Chimie et Physico-Chimie Organiques, Université libre de Bruxelles (ULB), Avenue F.D. Roosevelt 50, CP160/06, 1050, Brussels, Belgium.,Organic Synthesis Division, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Bert U W Maes
- Organic Synthesis Division, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Gwilherm Evano
- Laboratoire de Chimie Organique, Service de Chimie et Physico-Chimie Organiques, Université libre de Bruxelles (ULB), Avenue F.D. Roosevelt 50, CP160/06, 1050, Brussels, Belgium
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25
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Zhang AA, Chen C, Gao Y, Mo M, Shen RZ, Zhang YH, Ishida N, Murakami M, Liu L. Planar chiral 2-(trifluoromethyl)quinoline-fused ferrocenes via palladium(0)-catalyzed C-H functionalization of trifluoroacetimidoyl chlorides. GREEN SYNTHESIS AND CATALYSIS 2021. [DOI: 10.1016/j.gresc.2021.05.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
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26
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Transient directing ligands for selective metal-catalysed C–H activation. Nat Rev Chem 2021; 5:646-659. [PMID: 37118417 DOI: 10.1038/s41570-021-00311-3] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/18/2021] [Indexed: 02/08/2023]
Abstract
C-H activation is a 'simple-to-complex' transformation that nature has perfected over millions of years of evolution. Transition-metal-catalysed C-H activation has emerged as an expeditious means to expand the chemical space by introducing diverse functionalities. Notably, among the strategies to selectively cleave a particular C-H bond, the catalytic use of a small molecule as co-catalyst to generate a transient directing group, which provides a balance between step economy and chemical productivity, has gained immense attention in recent years. This allows one to convert a desired C-H bond irrespective of its geometrical or stereochemical configuration. This Review describes the various transient directing groups used in C-H activation and explains their mechanistic significance.
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27
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Wu Q, Mao YJ, Zhou K, Wang S, Chen L, Xu ZY, Lou SJ, Xu DQ. Pd-Catalysed direct C(sp 2)-H fluorination of aromatic ketones: concise access to anacetrapib. Chem Commun (Camb) 2021; 57:4544-4547. [PMID: 33956008 DOI: 10.1039/d1cc01047f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The Pd-cataylsed direct ortho-C(sp2)-H fluorination of aromatic ketones has been developed for the first time. The reaction features good regioselectivity and simple operations, constituting an alternative shortcut to access fluorinated ketones. A concise synthesis of anacetrapib has also been achieved by using late-stage C-H fluorination as a key step.
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Affiliation(s)
- Qiuzi Wu
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Yang-Jie Mao
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Kun Zhou
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Shuang Wang
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Lei Chen
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Zhen-Yuan Xu
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Shao-Jie Lou
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Dan-Qian Xu
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
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28
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Zhang ZZ, Liao G, Chen HM, Shi BF. Thioamide-Directed Cp*Co(III)-Catalyzed C-H Allylation of Ferrocenes. Org Lett 2021; 23:2626-2631. [PMID: 33711894 DOI: 10.1021/acs.orglett.1c00533] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Herein, the first Cp*Co(III)-catalyzed C-H allylation of ferrocene thioamides with allyl carbonates has been developed. This reaction is compatible with a wide range of functional groups, providing various allylated ferrocene derivatives in up to 90% yields. In addition, the C-H allylation protocol is also compatible with the use of vinylcyclopropanes as allylating reagents by merging C-H and C-C activation into one catalytic system. Mechanistic studies revealed that the thiocarbonyl-directing group plays a vital role in C-H activation.
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Affiliation(s)
- Zhuo-Zhuo Zhang
- School of Food and Biological Engineering, Chengdu University, Chengdu, Sichuan 610106, China
| | - Gang Liao
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, China
| | - Hao-Ming Chen
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, China
| | - Bing-Feng Shi
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, China.,Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, China
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29
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30
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Bhattacharya T, Ghosh A, Maiti D. Hexafluoroisopropanol: the magical solvent for Pd-catalyzed C-H activation. Chem Sci 2021; 12:3857-3870. [PMID: 34163654 PMCID: PMC8179444 DOI: 10.1039/d0sc06937j] [Citation(s) in RCA: 116] [Impact Index Per Article: 38.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 01/19/2021] [Indexed: 12/28/2022] Open
Abstract
Among numerous solvents available for chemical transformations, 1,1,1,3,3,3-hexafluoro-2-propanol (popularly known as HFIP) has attracted enough attention of the scientific community in recent years. Several unique features of HFIP compared to its non-fluoro analogue isopropanol have helped this solvent to make a difference in various subdomains of organic chemistry. One such area is transition metal-catalyzed C-H bond functionalization reactions. While, on one side, HFIP is emerging as a green and sustainable deep eutectic solvent (DES), on the other side, a major proportion of Pd-catalyzed C-H functionalization is heavily relying on this solvent. In particular, for distal aromatic C-H functionalizations, the exceptional impact of HFIP to elevate the yield and selectivity has made this solvent irreplaceable. Recent research studies have also highlighted the H-bond-donating ability of HFIP to enhance the chiral induction in Pd-catalyzed atroposelective C-H activation. This perspective aims to portray different shades of HFIP as a magical solvent in Pd-catalyzed C-H functionalization reactions.
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Affiliation(s)
- Trisha Bhattacharya
- Department of Chemistry, Indian Institute of Technology Bombay Powai Mumbai Maharashtra 400076 India
| | - Animesh Ghosh
- Department of Chemistry, Indian Institute of Technology Bombay Powai Mumbai Maharashtra 400076 India
| | - Debabrata Maiti
- Department of Chemistry, Indian Institute of Technology Bombay Powai Mumbai Maharashtra 400076 India
- Tokyo Tech World Research Hub Initiative (WRHI), Laboratory for Chemistry and Life Science, Tokyo Institute of Technology Tokyo 152-8550 Japan
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31
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Lou SJ, Zhuo Q, Nishiura M, Luo G, Hou Z. Enantioselective C-H Alkenylation of Ferrocenes with Alkynes by Half-Sandwich Scandium Catalyst. J Am Chem Soc 2021; 143:2470-2476. [PMID: 33529525 DOI: 10.1021/jacs.0c13166] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The enantioselective C-H alkenylation of ferrocenes with alkynes is, in principle, a straightforward and atom-efficient route for the construction of planar-chiral ferrocene scaffolds bearing alkene functionality but has remained scarcely explored to date. Here we report for the first time the highly enantioselective C-H alkenylation of quinoline- and pyridine-substituted ferrocenes with alkynes by a half-sandwich scandium catalyst. This protocol features broad substrate scope, high enantioselectivity, and 100% atom efficiency, selectively affording a new family of planar-chiral ferrocenes bearing N/alkene functionalities. The mechanistic details have been clarified by DFT analyses. The use of a quinoline/alkene-functionalized ferrocene product as a chiral ligand for asymmetric catalysis is also demonstrated.
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Affiliation(s)
- Shao-Jie Lou
- Advanced Catalysis Research Group, RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Qingde Zhuo
- Organometallic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Masayoshi Nishiura
- Advanced Catalysis Research Group, RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.,Organometallic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Gen Luo
- Institutes of Physical Science and Information Technology, Anhui University, Hefei 230601, China
| | - Zhaomin Hou
- Advanced Catalysis Research Group, RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.,Organometallic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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32
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He C, Zu B, Guo Y, Ke J. Transient- and Native-Directing-Group-Enabled Enantioselective C–H Functionalization. SYNTHESIS-STUTTGART 2021. [DOI: 10.1055/a-1372-6627] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
AbstractIn recent years, transition-metal-catalyzed enantioselective C–H bond functionalization using chiral transient directing groups (cTDGs) or native directing groups (NDGs) has emerged as a powerful and attractive synthetic approach to streamline the synthesis of chiral molecules. This short review focuses on recent advances on imine-based cTDGs strategies and native amine and carboxylic acid directed strategies for the asymmetric functionalization of various C–H bonds. We have endeavored to highlight the great potential of this methodology and hope that this review will inspire further research in this area.1 Introduction2 Transient-Directing-Group-Enabled Enantioselective C–H Functionalization2.1 Generation of Central Chirality2.2 Generation of Axial Chirality2.3 Generation of Planar Chirality3 Native-Directing-Group-Enabled Enantioselective C–H Functionalization3.1 Native Amines as Directing Groups3.2 Native Carboxylic Acids as Directing Groups4 Conclusions and Outlook
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Affiliation(s)
- Chuan He
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology
| | - Bing Zu
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology
| | - Yonghong Guo
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology
| | - Jie Ke
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology
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33
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Yang C, Wu TR, Li Y, Wu BB, Jin RX, Hu DD, Li YB, Bian KJ, Wang XS. Facile synthesis of axially chiral styrene-type carboxylic acids via palladium-catalyzed asymmetric C-H activation. Chem Sci 2021; 12:3726-3732. [PMID: 34163646 PMCID: PMC8179534 DOI: 10.1039/d0sc06661c] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 01/19/2021] [Indexed: 12/27/2022] Open
Abstract
A novel method by a one-step introduction of axial chirality and sterically hindered group has been developed for facile synthesis of axially chiral styrene-type carboxylic acids. With the palladium-catalyzed C-H arylation and olefination of readily available cinnamic acid established, this transformation demonstrated excellent yield, excellent stereocontrol (up to 99% yield and 99% ee), and broad substrate scope under mild conditions. The axially chiral styrene-type carboxylic acids produced have been successfully applied to Cp*CoIII-catalyzed asymmetric C-H activation reactions, indicating their potential as chiral ligands or catalysts in asymmetric synthesis.
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Affiliation(s)
- Chi Yang
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China Hefei Anhui 230026 China
| | - Tian-Rui Wu
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China Hefei Anhui 230026 China
| | - Yan Li
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China Hefei Anhui 230026 China
| | - Bing-Bing Wu
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China Hefei Anhui 230026 China
| | - Ruo-Xing Jin
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China Hefei Anhui 230026 China
| | - Duo-Duo Hu
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China Hefei Anhui 230026 China
| | - Yuan-Bo Li
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China Hefei Anhui 230026 China
| | - Kang-Jie Bian
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China Hefei Anhui 230026 China
| | - Xi-Sheng Wang
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China Hefei Anhui 230026 China
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34
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Mou Q, Zhao R, Niu R, Fukagawa S, Shigeno T, Yoshino T, Matsunaga S, Sun B. Cp*Ir( iii)/chiral carboxylic acid-catalyzed enantioselective C–H alkylation of ferrocene carboxamides with diazomalonates. Org Chem Front 2021. [DOI: 10.1039/d1qo01344k] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
An achiral Cp*Ir(iii)/chiral carboxylic acid-catalysed enantioselective C–H alkylation of ferrocene carboxamides with diazomalonates was achieved, providing planar chiral alkylated ferrocenes in up to 94 : 6 er.
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Affiliation(s)
- Qi Mou
- State Key Laboratory Base of Eco-chemical Engineering, College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, P. R. China
| | - Ruyuan Zhao
- State Key Laboratory Base of Eco-chemical Engineering, College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, P. R. China
| | - Ruihan Niu
- State Key Laboratory Base of Eco-chemical Engineering, College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, P. R. China
| | - Seiya Fukagawa
- Faculty of Pharmaceutical Science, Hokkaido University, Sapporo 060-0812, Japan
| | - Taiki Shigeno
- Faculty of Pharmaceutical Science, Hokkaido University, Sapporo 060-0812, Japan
| | - Tatsuhiko Yoshino
- Faculty of Pharmaceutical Science, Hokkaido University, Sapporo 060-0812, Japan
- Global Station for Biosurfaces and Drug Discovery, Hokkaido University, Sapporo 060-0812, Japan
| | - Shigeki Matsunaga
- Faculty of Pharmaceutical Science, Hokkaido University, Sapporo 060-0812, Japan
- Global Station for Biosurfaces and Drug Discovery, Hokkaido University, Sapporo 060-0812, Japan
| | - Bo Sun
- State Key Laboratory Base of Eco-chemical Engineering, College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, P. R. China
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35
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Liu L, Liu H, Zuo Z, Zhang AA, Li Z, Meng T, Wu W, Hua Y, Mao G. Synthesis of planar chiral isoquinolinone-fused ferrocenes through palladium-catalyzed C-H functionalization reaction. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.10.034] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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36
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Zhang J, Xu Q, Fan J, Zhou L, Liu N, Zhu L, Wu J, Xie M. Pd(ii)-Catalyzed enantioconvergent twofold C–H annulation to access atropisomeric aldehydes: a platform for diversity-oriented-synthesis. Org Chem Front 2021. [DOI: 10.1039/d1qo00183c] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The first Pd(ii)-catalyzed atroposelective dual C–H annulative strategy for diverse synthesis of functionalized axially chiral biaryls was developed.
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Affiliation(s)
- Jitan Zhang
- Key Laboratory of Functional Molecular Solids (Ministry of Education)
- Anhui Key Laboratory of Molecular Based Materials
- College of Chemistry and Materials Science
- Anhui Normal University
- Wuhu 241002
| | - Qiaoqiao Xu
- Key Laboratory of Functional Molecular Solids (Ministry of Education)
- Anhui Key Laboratory of Molecular Based Materials
- College of Chemistry and Materials Science
- Anhui Normal University
- Wuhu 241002
| | - Jian Fan
- Key Laboratory of Functional Molecular Solids (Ministry of Education)
- Anhui Key Laboratory of Molecular Based Materials
- College of Chemistry and Materials Science
- Anhui Normal University
- Wuhu 241002
| | - Lan Zhou
- Key Laboratory of Functional Molecular Solids (Ministry of Education)
- Anhui Key Laboratory of Molecular Based Materials
- College of Chemistry and Materials Science
- Anhui Normal University
- Wuhu 241002
| | - Nannan Liu
- Key Laboratory of Functional Molecular Solids (Ministry of Education)
- Anhui Key Laboratory of Molecular Based Materials
- College of Chemistry and Materials Science
- Anhui Normal University
- Wuhu 241002
| | - Li Zhu
- Key Laboratory of Functional Molecular Solids (Ministry of Education)
- Anhui Key Laboratory of Molecular Based Materials
- College of Chemistry and Materials Science
- Anhui Normal University
- Wuhu 241002
| | - Jiaping Wu
- Key Laboratory of Functional Molecular Solids (Ministry of Education)
- Anhui Key Laboratory of Molecular Based Materials
- College of Chemistry and Materials Science
- Anhui Normal University
- Wuhu 241002
| | - Meihua Xie
- Key Laboratory of Functional Molecular Solids (Ministry of Education)
- Anhui Key Laboratory of Molecular Based Materials
- College of Chemistry and Materials Science
- Anhui Normal University
- Wuhu 241002
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37
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Thorat RA, Jain S, Sattar M, Yadav P, Mandhar Y, Kumar S. Synthesis of Chiral-Substituted 2-Aryl-ferrocenes by the Catellani Reaction. J Org Chem 2020; 85:14866-14878. [PMID: 33196212 DOI: 10.1021/acs.joc.0c01360] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A palladium-catalyzed and norbornene-mediated methodology has been developed for the synthesis of chiral 2-aryl-ferroceneamides from chiral 2-iodo-N,N-diisopropylferrocencarboxamide, iodoarenes, and alkenes using a JohnPhos ligand and potassium carbonate as a base in dimethylformamide at 105 °C. The developed three-component coupling protocol allows the compatibility of electron-withdrawing fluoro, chloro, ester, and nitro and electron-donating methyl, methoxy, dimethoxy, benzyl ether-substituted iodo-benzenes, other iodoarenes, such as iodo-naphthalene, heteroarenes, such as iodothiophene, and terminating substrates, such as methyl, ethyl, tert-butyl acrylates, and substituted styrenes with 2-iodo-N,N-diisopropylferrocencarboxamide. Furthermore, the developed three-component Catellani method proceeded with the retention of the configuration of the planar chiral ferrocene, which depends on the role of the participating carbon-iodine bond in ferrocene. Consequently, the developed protocol enabled the formation of densely substituted chiral 2-aryl ferroceneamides, exhibiting good to excellent enantioselectivity. The conversion of an ester of the synthesized chiral 2-aryl ferroceneamides has also been carried out to further accommodate the easily expendable acid and alcohol functionalities.
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Affiliation(s)
- Raviraj Ananda Thorat
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, Madhya Pradesh 462066, India
| | - Saket Jain
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, Madhya Pradesh 462066, India
| | - Moh Sattar
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, Madhya Pradesh 462066, India
| | - Prateek Yadav
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, Madhya Pradesh 462066, India
| | - Yogesh Mandhar
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, Madhya Pradesh 462066, India
| | - Sangit Kumar
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, Madhya Pradesh 462066, India
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38
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Lapuh MI, Mazeh S, Besset T. Chiral Transient Directing Groups in Transition-Metal-Catalyzed Enantioselective C–H Bond Functionalization. ACS Catal 2020. [DOI: 10.1021/acscatal.0c03317] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Maria I. Lapuh
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
| | - Sara Mazeh
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
| | - Tatiana Besset
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
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39
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Bag D, Verma PK, Sawant SD. Chiral Transient Directing Group Strategies in Asymmetric Synthesis. Chem Asian J 2020; 15:3225-3238. [PMID: 32822121 DOI: 10.1002/asia.202000657] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 08/14/2020] [Indexed: 12/13/2022]
Abstract
The development of novel methodologies for catalytic enantioselective functionalization reactions enabled by chiral transient directing groups is accompanying in a paradigm shift in the field of asymmetric synthesis. In particular, these highly atom- and step-economic enantioinduction processes commonly proceed either via enantioselective C-H functionalization, or via enantioselective hydroarylation of the pro-chiral substrates generating point, axial or planar chirality. The use of the transient directing group strategy in C-H functionalizations precludes the stoichiometric installations and removal of directing groups and enables efficient, more compatible and economical chemical routes. This minireview highlights asymmetric transition-metal-catalyzed methodologies involving chiral transient directing groups together with the scope, utility and future perspective of the field.
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Affiliation(s)
- Debojyoti Bag
- Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu Canal Road, Jammu, Jammu & Kashmir, 180001, India
| | - Praveen Kumar Verma
- Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu Canal Road, Jammu, Jammu & Kashmir, 180001, India
| | - Sanghapal D Sawant
- Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu Canal Road, Jammu, Jammu & Kashmir, 180001, India
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40
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Ding M, Hua W, Liu M, Zhang F. Pd-Catalyzed C(sp 3)-H Biarylation via Transient Directing Group Strategy. Org Lett 2020; 22:7419-7423. [PMID: 32946696 DOI: 10.1021/acs.orglett.0c02353] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Here, we describe a highly selective Pd-catalyzed C(sp3)-H biarylation of 2-methylbenzaldehydes using cyclic diaryliodonium salts as arylation reagents. The key strategy is the employment of tert-leucine as a bidentate transient directing group for the proximity-driven metalation to achieve reactivity and selectivity in C-H activation. Various functionalized biaryls bearing both aldehyde and iodine functional groups were prepared successfully, which could be further transformed into a wide range of compounds with potential applications in pharmaceutical chemistry and materials science.
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Affiliation(s)
| | | | | | - Fengzhi Zhang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, P. R. China
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41
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Hernández-Valdés D, Wettstein L, Fernández-Terán R, Probst B, Fox T, Spingler B, Nadeem Q, Alberto R. Dynamic dimer-monomer equilibrium in a cycloruthenated complex of [Re(η 6-C 6H 6) 2] . Chem Commun (Camb) 2020; 56:10658-10661. [PMID: 32785303 DOI: 10.1039/d0cc04180g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cycloruthenation is a well known process in organometallic ruthenium chemistry. In this work, we report unprecedented cycloruthenated rhenium bis-arene compounds with planar chirality. In a two-step process, the reaction of acetyl-pyridine with [Re(η6-C6H6)2]+ introduced a pyridinyl-methanol ligand at one of the arene rings. Coordination of [Ru(CO)2Cl2] led to cycloruthenation, and the products were obtained as two diastereomeric pairs of enantiomers. Under basic pH conditions, the two pairs of enantiomers undergo spontaneous and reversible dimerization. The cycloruthenated monomers were fully characterized, and the dimerization process was studied by NMR, IR spectroscopy, and DFT calculations.
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Affiliation(s)
- Daniel Hernández-Valdés
- Department of Chemistry, University of Zurich, Winterthurerstr. 190, CH-8057 Zurich, Switzerland.
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42
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Liao G, Zhang T, Lin Z, Shi B. Transition Metal‐Catalyzed Enantioselective C−H Functionalization via Chiral Transient Directing Group Strategies. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202008437] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Gang Liao
- Department of Chemistry Zhejiang University Hangzhou 310027 China
| | - Tao Zhang
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
| | - Zhi‐Keng Lin
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
| | - Bing‐Feng Shi
- Department of Chemistry Zhejiang University Hangzhou 310027 China
- College of Chemistry and Molecular Engineering Zhengzhou University Zhengzhou 450001 China
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43
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Liao G, Zhang T, Lin ZK, Shi BF. Transition Metal-Catalyzed Enantioselective C-H Functionalization via Chiral Transient Directing Group Strategies. Angew Chem Int Ed Engl 2020; 59:19773-19786. [PMID: 32687690 DOI: 10.1002/anie.202008437] [Citation(s) in RCA: 174] [Impact Index Per Article: 43.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Indexed: 12/31/2022]
Abstract
Transition metal-catalyzed enantioselective functionalization of C-H bond, the most abundant functionality in organic molecules, has emerged as an expedient synthetic approach to streamline the synthesis of complex chiral molecules. Despite significant progress, traditional directing group-enabled strategies require additional steps for the installation and removal of directing groups from the target molecule. The recently developed asymmetric C-H functionalization using chiral transient directing groups (cTDGs) offers a promising alternative that can circumvent this obstacle and therefore simplify the process. In this Minireview, we briefly discuss the advent and recent advances of this emerging concept, with an emphasis on discussing the creation of various stereogenic centers and the developments of cTDGs. Applications in natural product synthesis and ligand derivatizations are also discussed. We hope this Minireview will highlight the great potential of this strategy and help to inspire further endeavors.
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Affiliation(s)
- Gang Liao
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China
| | - Tao Zhang
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Zhi-Keng Lin
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Bing-Feng Shi
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China.,College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou, 450001, China
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44
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Wen F, Li Z. Glycinamide hydrochloride as a transient directing group: Synthesis of 2-benzylbenzaldehydes by C(sp3)−H arylation. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1802759] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Fei Wen
- College of Chemistry and chemical Engineering, Northwest Normal University, Lanzhou, China
| | - Zheng Li
- College of Chemistry and chemical Engineering, Northwest Normal University, Lanzhou, China
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45
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Liu CX, Gu Q, You SL. Asymmetric C–H Bond Functionalization of Ferrocenes: New Opportunities and Challenges. TRENDS IN CHEMISTRY 2020. [DOI: 10.1016/j.trechm.2020.05.003] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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46
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Yang K, Song M, Liu H, Ge H. Palladium-catalyzed direct asymmetric C-H bond functionalization enabled by the directing group strategy. Chem Sci 2020; 11:12616-12632. [PMID: 34123236 PMCID: PMC8163320 DOI: 10.1039/d0sc03052j] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Accepted: 07/08/2020] [Indexed: 01/01/2023] Open
Abstract
In the past decade, selective C-C and C-heteroatom bond construction through palladium-catalyzed direct C-H bond functionalization has been extensively studied by employing a variety of directing groups. Within this category, direct asymmetric C(sp2)-H and C(sp3)-H activation for the construction of highly enantiomerically enriched skeletons still progressed at a slow pace. This minireview briefly introduces the major advances in the field for palladium-catalyzed direct asymmetric C-H bond functionalization via the directing group strategy.
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Affiliation(s)
- Ke Yang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University Changzhou Jiangsu 213164 China
| | - Mengjie Song
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University Changzhou Jiangsu 213164 China
| | - Hao Liu
- Department of Chemistry and Biochemistry, Texas Tech University Lubbock Texas 79409 USA
| | - Haibo Ge
- Department of Chemistry and Biochemistry, Texas Tech University Lubbock Texas 79409 USA
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47
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Xiao LJ, Hong K, Luo F, Hu L, Ewing WR, Yeung KS, Yu JQ. Pd II -Catalyzed Enantioselective C(sp 3 )-H Arylation of Cyclobutyl Ketones Using a Chiral Transient Directing Group. Angew Chem Int Ed Engl 2020; 59:9594-9600. [PMID: 32155313 PMCID: PMC7269848 DOI: 10.1002/anie.202000532] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 02/11/2020] [Indexed: 02/05/2023]
Abstract
The use of chiral transient directing groups (TDGs) is a promising approach for developing PdII -catalyzed enantioselective C(sp3 )-H activation reactions. However, this strategy is challenging because the stereogenic center on the TDG is often far from the C-H bond, and both TDG covalently attached to the substrate and free TDG are capable of coordinating to PdII centers, which can result in a mixture of reactive complexes. We report a PdII -catalyzed enantioselective β-C(sp3 )-H arylation reaction of aliphatic ketones using a chiral TDG. A chiral trisubstituted cyclobutane was efficiently synthesized from a mono-substituted cyclobutane through sequential C-H arylation reactions, thus demonstrating the utility of this method for accessing structurally complex products from simple starting materials. The use of an electron-deficient pyridone ligand is crucial for the observed enantioselectivity. Interestingly, employing different silver salts can reverse the enantioselectivity.
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Affiliation(s)
- Li-Jun Xiao
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Kai Hong
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Fan Luo
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Liang Hu
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - William R Ewing
- Discovery Chemistry, Bristol-Myers Squibb, PO Box 4000, Princeton, NJ, 08543, USA
| | - Kap-Sun Yeung
- Discovery Chemistry, Bristol-Myers Squibb Research and Development, 100 Binney Street, Cambridge, MA, 02142, USA
| | - Jin-Quan Yu
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
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48
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Chen H, Wang Y, Luan Y, Ye M. Enantioselective Twofold C−H Annulation of Formamides and Alkynes without Built‐in Chelating Groups. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202001267] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Hao Chen
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University Tianjin 300071 China
| | - Yin‐Xia Wang
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University Tianjin 300071 China
| | - Yu‐Xin Luan
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University Tianjin 300071 China
| | - Mengchun Ye
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University Tianjin 300071 China
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49
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Zhang D, Khan R, Fan B. Transition Metal/Lewis Acid Co‐Catalyzed Ring‐Opening Reactions of Oxa/Azabenzonorbornadienes. ChemistrySelect 2020. [DOI: 10.1002/slct.202001530] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Danni Zhang
- Key Laboratory of Chemistry in Ethnic Medicinal Resources Yunnan Minzu University Yuehua Street Kunming 650500 China
| | - Ruhima Khan
- Key Laboratory of Chemistry in Ethnic Medicinal Resources Yunnan Minzu University Yuehua Street Kunming 650500 China
- Department of Chemistry Gauhati University Guwahati 781014 Assam India
| | - Baomin Fan
- Key Laboratory of Chemistry in Ethnic Medicinal Resources Yunnan Minzu University Yuehua Street Kunming 650500 China
- School of Chemistry and Environment Yunnan Minzu University Yuehua Street Kunming 650500 China
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50
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Chen H, Wang YX, Luan YX, Ye M. Enantioselective Twofold C-H Annulation of Formamides and Alkynes without Built-in Chelating Groups. Angew Chem Int Ed Engl 2020; 59:9428-9432. [PMID: 32154983 DOI: 10.1002/anie.202001267] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 03/05/2020] [Indexed: 12/20/2022]
Abstract
Twofold C-H annulation of readily available formamides and alkynes without built-in chelating groups was achieved. Ni-Al bimetallic catalysis enabled by a bulky BINOL-derived chiral secondary phosphine oxide (SPO) ligand proved to be critical for high reactivity and high selectivity. This reaction uses readily available formamides as starting materials and provides a concise synthetic pathway to a broad range of chiral ferrocenes in 40-98 % yield and 93-99 % ee.
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Affiliation(s)
- Hao Chen
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Yin-Xia Wang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Yu-Xin Luan
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Mengchun Ye
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
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