151
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Ito S, Okada S, Sue R, Asami M. Synthesis of Macrocyclic Hexamine from Naphthalene-based C2-Symmetric Chiral Diamine and Dialdehyde. CHEM LETT 2018. [DOI: 10.1246/cl.171100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Suguru Ito
- Department of Advanced Materials Chemistry, Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa 240-8501, Japan
| | - Shiori Okada
- Department of Advanced Materials Chemistry, Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa 240-8501, Japan
| | - Rika Sue
- Department of Advanced Materials Chemistry, Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa 240-8501, Japan
| | - Masatoshi Asami
- Department of Advanced Materials Chemistry, Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa 240-8501, Japan
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152
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Enhanced Reactivity by Torsional Strain of Cyclic Diaryliodonium in Cu-Catalyzed Enantioselective Ring-Opening Reaction. Chem 2018. [DOI: 10.1016/j.chempr.2018.01.017] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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153
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Abstract
Axially chiral compounds have received much attention from chemists because of their widespread appearance in natural products, biologically active compounds, and useful chiral ligands in asymmetric catalysis. Because of the importance of this structural motif, the catalytic enantioselective construction of axially chiral scaffolds has been intensively investigated, and great progress has been accomplished. However, the majority of methodologies in this field focus on the use of metal catalysis, whereas approaches involving organocatalysis have started to emerge only recently. This Account describes certain advances in the organocatalytic asymmetric synthesis of axially chiral compounds involving the following strategies: kinetic resolution, desymmetrization, cyclization/addition, direct arylation, and so on. We began our investigation by developing a highly efficient strategy for the kinetic resolution of axially chiral BINAM derivatives involving a chiral Brønsted acid-catalyzed imine formation and transfer hydrogenation cascade process, thereby providing a convenient route to generate chiral BINAM derivatives in high yields with excellent enantioselectivities. The desymmetrization of 1-aryltriazodiones (ATADs) through an organocatalyzed tyrosine clicklike reaction wherein a nucleophile was added to the ATAD afforded an interesting type of axially chiral N-arylurazole in an excellent remote enantiocontrolled manner. We then focused on a direct construction strategy involving cyclization and the addition strategy given the inherent limitations of the kinetic resolution in terms of the chemical yield and the desymmetrization in terms of the substrate scope. By utilizing the catalytic enantioselective Paal-Knorr reaction, we disclosed a general and efficient cyclization method to access enantiomerically pure arylpyrroles. The direct heterocycle formation and the stepwise method, which was executed in a one-pot fashion containing enantioselective cyclization and subsequent aromatization, were successfully applied for the construction of diverse axially chiral arylquinazolinones catalyzed by chiral Brønsted acids. We discovered the asymmetric organocatalytic approach to construct axially chiral styrenes through the 1,4-addition of arylalkynals in good chemical yields and enantioselectivities. Such structural motifs are important precursors for further transformations into biologically active compounds and useful synthetic intermediates and may have potential applications in asymmetric syntheses as olefin ligands or organocatalysts. To further tackle this challenge, we accomplished the phosphoric acid-catalyzed enantioselective direct arylative reactions of 2-naphthol and 2-naphthamine with quinone derivatives to deliver efficient access to a class of axially chiral BINOL and NOBIN derivatives in good yields with excellent enantioselectivities under mild reaction conditions. Most importantly, we discovered that the azo group can effectively perform as a directing and activating group for organocatalytic formal aryl C-H functionalization via formal nucleophilic aromatic substitution of azobenzene derivatives. Thus, a wide range of axially chiral arylindoles were synthesized in good yields with excellent enantioselectivities. We anticipate that this strategy will foster the development of many other transformations and motivate a new enthusiasm for organocatalytic enantioselective aryl functionalization. Moreover, SPINOLs are fundamental synthetic precursors in the construction of other chiral organocatalysts and ligands. We have successfully developed a phosphoric acid-catalyzed enantioselective approach for SPINOLs. This approach is highly convergent and functional-group-tolerant for the efficient generation of SPINOLs with good results, thus delivering practical access to this privileged structure.
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Affiliation(s)
- Yong-Bin Wang
- Department of Chemistry, South University of Science and Technology of China, Shenzhen 518055, China
| | - Bin Tan
- Department of Chemistry, South University of Science and Technology of China, Shenzhen 518055, China
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154
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Chen YH, Qi LW, Fang F, Tan B. Organocatalytic Atroposelective Arylation of 2-Naphthylamines as a Practical Approach to Axially Chiral Biaryl Amino Alcohols. Angew Chem Int Ed Engl 2017; 56:16308-16312. [PMID: 29105896 DOI: 10.1002/anie.201710537] [Citation(s) in RCA: 105] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Indexed: 12/12/2022]
Abstract
The first phosphoric acid catalyzed direct arylation of 2-naphthylamines with iminoquinones for the atroposelective synthesis of axially chiral biaryl amino alcohols has been developed. This reaction constitutes a highly functional-group-tolerant route for the rapid construction of enantioenriched axially chiral biaryl amino alcohols, and is a rare example of 2-naphthylamines acting as nucleophiles in an organocatalytic enantioselective transformation. Furthermore, the products, which feature various halogen atoms, provide access to structurally diverse axially chiral amino alcohols through further transformations.
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Affiliation(s)
- Ye-Hui Chen
- Department of Chemistry, South University of Science and Technology of China, Shenzhen, 518055, P. R. China
| | - Liang-Wen Qi
- Department of Chemistry, South University of Science and Technology of China, Shenzhen, 518055, P. R. China
| | - Fang Fang
- Department of Chemistry, South University of Science and Technology of China, Shenzhen, 518055, P. R. China
| | - Bin Tan
- Department of Chemistry, South University of Science and Technology of China, Shenzhen, 518055, P. R. China
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155
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Chen YH, Qi LW, Fang F, Tan B. Organocatalytic Atroposelective Arylation of 2-Naphthylamines as a Practical Approach to Axially Chiral Biaryl Amino Alcohols. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201710537] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Ye-Hui Chen
- Department of Chemistry; South University of Science and Technology of China; Shenzhen 518055 P. R. China
| | - Liang-Wen Qi
- Department of Chemistry; South University of Science and Technology of China; Shenzhen 518055 P. R. China
| | - Fang Fang
- Department of Chemistry; South University of Science and Technology of China; Shenzhen 518055 P. R. China
| | - Bin Tan
- Department of Chemistry; South University of Science and Technology of China; Shenzhen 518055 P. R. China
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156
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Wang D, Tong X. Phosphine-Catalyzed Asymmetric (3+2) Annulations of δ-Acetoxy Allenoates with 2-Naphthols. Org Lett 2017; 19:6392-6395. [DOI: 10.1021/acs.orglett.7b03250] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Dong Wang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, 1 Gehu Road, Changzhou, 213164, China
| | - Xiaofeng Tong
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, 1 Gehu Road, Changzhou, 213164, China
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157
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Min C, Lin Y, Seidel D. Catalytic Enantioselective Synthesis of Mariline A and Related Isoindolinones through a Biomimetic Approach. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201709182] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Chang Min
- Department of Chemistry and Chemical Biology, Rutgers The State University of New Jersey Piscataway NJ 08854 USA
| | - Yingfu Lin
- Department of Chemistry and Chemical Biology, Rutgers The State University of New Jersey Piscataway NJ 08854 USA
- Present address: Department of Chemistry University of Florida Gainesville FL 32611 USA
| | - Daniel Seidel
- Department of Chemistry and Chemical Biology, Rutgers The State University of New Jersey Piscataway NJ 08854 USA
- Present address: Department of Chemistry University of Florida Gainesville FL 32611 USA
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158
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Min C, Lin Y, Seidel D. Catalytic Enantioselective Synthesis of Mariline A and Related Isoindolinones through a Biomimetic Approach. Angew Chem Int Ed Engl 2017; 56:15353-15357. [DOI: 10.1002/anie.201709182] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Indexed: 01/15/2023]
Affiliation(s)
- Chang Min
- Department of Chemistry and Chemical Biology, Rutgers The State University of New Jersey Piscataway NJ 08854 USA
| | - Yingfu Lin
- Department of Chemistry and Chemical Biology, Rutgers The State University of New Jersey Piscataway NJ 08854 USA
- Present address: Department of Chemistry University of Florida Gainesville FL 32611 USA
| | - Daniel Seidel
- Department of Chemistry and Chemical Biology, Rutgers The State University of New Jersey Piscataway NJ 08854 USA
- Present address: Department of Chemistry University of Florida Gainesville FL 32611 USA
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159
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Wang P, Wang J, Wang L, Li D, Wang K, Liu Y, Zhu H, Liu X, Yang D, Wang R. Asymmetric Dearomative Halogenation of β-Naphthols: The Axial Chirality Transfer Reaction. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700745] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Pengxin Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; Lanzhou University; Lanzhou 730000 People's Republic of China
| | - Jie Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; Lanzhou University; Lanzhou 730000 People's Republic of China
| | - Linqing Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; Lanzhou University; Lanzhou 730000 People's Republic of China
| | - Dan Li
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; Lanzhou University; Lanzhou 730000 People's Republic of China
| | - Kezhou Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; Lanzhou University; Lanzhou 730000 People's Republic of China
| | - Yuyang Liu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; Lanzhou University; Lanzhou 730000 People's Republic of China
| | - Haiyong Zhu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; Lanzhou University; Lanzhou 730000 People's Republic of China
| | - Xihong Liu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; Lanzhou University; Lanzhou 730000 People's Republic of China
| | - Dongxu Yang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; Lanzhou University; Lanzhou 730000 People's Republic of China
| | - Rui Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; Lanzhou University; Lanzhou 730000 People's Republic of China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation Lanzhou Institute of Chemical Physics; Chinese Academy of Sciences; Lanzhou 730000 People's Republic of China
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160
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Qi LW, Mao JH, Zhang J, Tan B. Organocatalytic asymmetric arylation of indoles enabled by azo groups. Nat Chem 2017; 10:58-64. [PMID: 29256504 DOI: 10.1038/nchem.2866] [Citation(s) in RCA: 243] [Impact Index Per Article: 34.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Accepted: 08/17/2017] [Indexed: 12/23/2022]
Abstract
Arylation is a fundamental reaction that can be mostly fulfilled by electrophilic aromatic substitution and transition-metal-catalysed aryl functionalization. Although the azo group has been used as a directing group for many transformations via transition-metal-catalysed aryl carbon-hydrogen (C-H) bond activation, there remain significant unmet challenges in organocatalytic arylation. Here, we show that the azo group can effectively act as both a directing and activating group for organocatalytic asymmetric arylation of indoles via formal nucleophilic aromatic substitution of azobenzene derivatives. Thus, a wide range of axially chiral arylindoles have been achieved in good yields with excellent enantioselectivities by utilizing chiral phosphoric acid as catalyst. Furthermore, highly enantioenriched pyrroloindoles bearing two contiguous quaternary chiral centres have also been obtained via a cascade enantioselective formal nucleophilic aromatic substitution-cyclization process. This strategy should be useful in other related research fields and will open new avenues for organocatalytic asymmetric aryl functionalization.
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Affiliation(s)
- Liang-Wen Qi
- Department of Chemistry, South University of Science and Technology of China, Shenzhen 518055, China
| | - Jian-Hui Mao
- Department of Chemistry, South University of Science and Technology of China, Shenzhen 518055, China
| | - Jian Zhang
- Department of Chemistry, South University of Science and Technology of China, Shenzhen 518055, China
| | - Bin Tan
- Department of Chemistry, South University of Science and Technology of China, Shenzhen 518055, China
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161
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Chen R, Fan X, Xu Z, He Z. Facile synthesis of polysubstituted furans and dihydrofurans via cyclization of bromonitromethane with oxodienes. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.08.027] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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162
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Wang C, Matile S. Anion-π Catalysts with Axial Chirality. Chemistry 2017; 23:11955-11960. [DOI: 10.1002/chem.201702672] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Indexed: 12/23/2022]
Affiliation(s)
- Chao Wang
- Department of Organic Chemistry; University of Geneva; Geneva Switzerland
| | - Stefan Matile
- Department of Organic Chemistry; University of Geneva; Geneva Switzerland
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163
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Miyaji R, Wada Y, Matsumoto A, Asano K, Matsubara S. Bifunctional organocatalysts for the asymmetric synthesis of axially chiral benzamides. Beilstein J Org Chem 2017; 13:1518-1523. [PMID: 28845196 PMCID: PMC5550815 DOI: 10.3762/bjoc.13.151] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 07/18/2017] [Indexed: 01/03/2023] Open
Abstract
Bifunctional organocatalysts bearing amino and urea functional groups in a chiral molecular skeleton were applied to the enantioselective synthesis of axially chiral benzamides via aromatic electrophilic bromination. The results demonstrate the versatility of bifunctional organocatalysts for the enantioselective construction of axially chiral compounds. Moderate to good enantioselectivities were afforded with a range of benzamide substrates. Mechanistic investigations were also carried out.
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Affiliation(s)
- Ryota Miyaji
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo, Kyoto 615-8510, Japan
| | - Yuuki Wada
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo, Kyoto 615-8510, Japan
| | - Akira Matsumoto
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo, Kyoto 615-8510, Japan
| | - Keisuke Asano
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo, Kyoto 615-8510, Japan
| | - Seijiro Matsubara
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo, Kyoto 615-8510, Japan
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164
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Brønsted acid-catalysed enantioselective construction of axially chiral arylquinazolinones. Nat Commun 2017; 8:15489. [PMID: 28524863 PMCID: PMC5454535 DOI: 10.1038/ncomms15489] [Citation(s) in RCA: 97] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Accepted: 04/03/2017] [Indexed: 11/21/2022] Open
Abstract
The axially chiral arylquinazolinone acts as a privileged structural scaffold, which is present in a large number of natural products and biologically active compounds as well as in chiral ligands. However, a direct catalytic enantioselective approach to access optically pure arylquinazolinones has been underexplored. Here we show a general and efficient approach to access enantiomerically pure arylquinazolinones in one-pot fashion catalysed by chiral phosphoric acids. A variety of axially chiral arylquinazolinones were obtained in high yields with good to excellent enantioselectivities under mild condition. Furthermore, we disclosed a method for atroposelective synthesis of alkyl-substituted arylquinazolinones involving Brønsted acid-catalysed carbon–carbon bond cleavage strategy. Finally, the asymmetric total synthesis of eupolyphagin bearing a cyclic arylquinazolinone skeleton was accomplished with an overall yield of 32% in six steps by utilizing the aforementioned methodology. Axially chiral arylquinazolinones are structural motifs in several natural products and can also act as chiral ligands. Here, the authors show a chiral phosphoric acid-catalysed strategy to access enantiomerically pure arylquinazolinones by efficient transfer of central chirality into axial chirality.
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165
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Miyaji R, Asano K, Matsubara S. Induction of Axial Chirality in 8-Arylquinolines through Halogenation Reactions Using Bifunctional Organocatalysts. Chemistry 2017; 23:9996-10000. [PMID: 28429870 DOI: 10.1002/chem.201701707] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Indexed: 12/15/2022]
Abstract
The enantioselective syntheses of axially chiral heterobiaryls were accomplished through the aromatic electrophilic halogenation of 3-(quinolin-8-yl)phenols with bifunctional organocatalysts that control the molecular conformations during successive halogenations. Axially chiral quinoline derivatives, which have rarely been synthesized in an enantioselective catalytic manner, were afforded in moderate-to-good enantioselectivities through bromination, and an analogous protocol also enabled enantioselective iodination. In addition, this catalytic reaction, which allows enantioselective control through the use of mono-ortho-substituted substrates, allowed the asymmetric synthesis of 8-arylquinoline derivatives bearing two different halogen groups in high enantioselectivities.
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Affiliation(s)
- Ryota Miyaji
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo, Kyoto, 610-8510, Japan
| | - Keisuke Asano
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo, Kyoto, 610-8510, Japan
| | - Seijiro Matsubara
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo, Kyoto, 610-8510, Japan
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166
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Xu C, Zheng H, Hu B, Liu X, Lin L, Feng X. Chiral cobalt(ii) complex catalyzed Friedel–Crafts aromatization for the synthesis of axially chiral biaryldiols. Chem Commun (Camb) 2017; 53:9741-9744. [DOI: 10.1039/c7cc05266a] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
An efficient Lewis-acid-catalyzed asymmetric Friedel–Crafts aromatization between p-benzoquinone derivatives and 2-naphthols has been developed by using a chiral cobalt(ii) complex of N,N′-dioxide.
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Affiliation(s)
- Chaoran Xu
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Haifeng Zheng
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Bowen Hu
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Lili Lin
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
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167
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Bonne D, Rodriguez J. Enantioselective syntheses of atropisomers featuring a five-membered ring. Chem Commun (Camb) 2017; 53:12385-12393. [DOI: 10.1039/c7cc06863h] [Citation(s) in RCA: 112] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
If six-membered ring biaryl or heterobiaryl atropisomers are the most common ones, the focus of this feature article will be put on the enantioselective approaches towards five-membered ring containing atropisomers displaying either a stereogenic C–N- or C–C bond.
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Affiliation(s)
- Damien Bonne
- Aix Marseille Univ
- CNRS, Centrale Marseille, iSm2
- Marseille
- France
| | - Jean Rodriguez
- Aix Marseille Univ
- CNRS, Centrale Marseille, iSm2
- Marseille
- France
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