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Organocatalytic enantioselective construction of bicyclic γ-butrolactones. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.108121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Diastereoselective desymmetric 1,2-cis-glycosylation of meso-diols via chirality transfer from a glycosyl donor. Nat Commun 2020; 11:2431. [PMID: 32415161 PMCID: PMC7229163 DOI: 10.1038/s41467-020-16365-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Accepted: 04/28/2020] [Indexed: 12/02/2022] Open
Abstract
Chemical desymmetrization reactions of meso-diols are highly effective for the precise and efficient synthesis of chiral molecules. However, even though enzyme-catalyzed desymmetric glycosylations are frequently found in nature, there is no method for highly diastereoselective desymmetric chemical glycosylation of meso-diols. Herein, we report a highly diastereoselective desymmetric 1,2-cis-glycosylation of meso-diols found in myo-inositol 1,3,5-orthoesters using a boronic acid catalyst based on predictions of regioselectivity by density functional theory (DFT) calculations. The enantiotopic hydroxyl groups of the meso-diols are clearly differentiated by the stereochemistry at the C2 position of the glycosyl donor with excellent regioselectivities. In addition, the present method is successfully applied to the synthesis of core structures of phosphatidylinositolmannosides (PIMs) and glycosylphosphatidylinositol (GPI) anchors, and common β-mannoside structures of the LLBM-782 series of antibiotics. Enzyme-catalyzed desymmetric glycosylations are often found in nature, however the corresponding chemical methods are lacking. Here, the authors report a highly diastereoselective desymmetric 1,2-cis-glycosylation of meso-diols found in myo-inositol 1,3,5-orthoesters using a boronic acid catalyst.
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Matsunami A, Ikeda M, Nakamura H, Yoshida M, Kuwata S, Kayaki Y. Accessible Bifunctional Oxy-Tethered Ruthenium(II) Catalysts for Asymmetric Transfer Hydrogenation. Org Lett 2018; 20:5213-5218. [PMID: 30102047 DOI: 10.1021/acs.orglett.8b02157] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
A concise synthesis of new oxy-tethered ruthenium complexes effective for the asymmetric transfer hydrogenation of aromatic ketones is described. The oxy-tether was constructed via a defluorinative etherification arising from an intramolecular nucleophilic substitution of a perfluorinated phenylsulfonyl substituent. The obtained tethered complexes exhibited desirable catalytic activity and selectivity, especially in the asymmetric transfer hydrogenation of functionalized aromatic ketones. The robustness and rigidity of the tether contribute to their superior catalytic performance relative to the nontethered prototype complex.
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Affiliation(s)
- Asuka Matsunami
- Department of Chemistry and Biological Science, College of Science and Engineering , Aoyama Gakuin University , 5-10-1 Fuchinobe, Chuo-ku , Sagamihara 252-5258 , Japan
| | - Marika Ikeda
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology , Tokyo Institute of Technology , 2-12-1-E4-1 O-okayama, Meguro-ku , Tokyo 152-8552 , Japan
| | - Hitomi Nakamura
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology , Tokyo Institute of Technology , 2-12-1-E4-1 O-okayama, Meguro-ku , Tokyo 152-8552 , Japan
| | - Minori Yoshida
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology , Tokyo Institute of Technology , 2-12-1-E4-1 O-okayama, Meguro-ku , Tokyo 152-8552 , Japan
| | - Shigeki Kuwata
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology , Tokyo Institute of Technology , 2-12-1-E4-1 O-okayama, Meguro-ku , Tokyo 152-8552 , Japan
| | - Yoshihito Kayaki
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology , Tokyo Institute of Technology , 2-12-1-E4-1 O-okayama, Meguro-ku , Tokyo 152-8552 , Japan
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Suzuki T. Recent Advances in the Desymmetrization of meso-Diols. J SYN ORG CHEM JPN 2018. [DOI: 10.5059/yukigoseikyokaishi.76.810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Takeyuki Suzuki
- The Institute of Scientific and Industrial Research (ISIR), Osaka University
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Andhare NH, Thopate Y, Shamsuzzama, Kumar L, Sharma T, Siddiqi M, Sinha AK, Nazir A. A facile tandem double-dehydrative-double-Heck olefination strategy for pot-economic synthesis of ( E )-distyrylbenzenes as multi-target-directed ligands against Alzheimer's disease employing C. elegans model. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.02.026] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Matsunami A, Kuwata S, Kayaki Y. Hydrogen Evolution from Formic Acid and Hydrodefluorination of Fluoroarenes by Bifunctional Iridium Catalysts—Beyond the Transfer Hydrogenation. J SYN ORG CHEM JPN 2018. [DOI: 10.5059/yukigoseikyokaishi.76.315] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Asuka Matsunami
- College of Science and Engineering, Aoyama Gakuin University
| | - Shigeki Kuwata
- School of Materials and Chemical Technology, Tokyo Institute of Technology
- PRESTO, Japan Science and Technology Agency (JST)
| | - Yoshihito Kayaki
- School of Materials and Chemical Technology, Tokyo Institute of Technology
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Nouch R, Cini M, Magre M, Abid M, Diéguez M, Pàmies O, Woodward S, Lewis W. Enantioselective Synthesis of 6,6-Disubstituted Pentafulvenes Containing a Chiral Pendant Hydroxy Group. Chemistry 2017; 23:17195-17198. [PMID: 29083067 DOI: 10.1002/chem.201704247] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2017] [Indexed: 12/12/2022]
Abstract
Simple enantioselective synthesis of 6,6-disubstituted pentafulvenes bearing chiral pendant hydroxy groups are attained by cascade reactivity using commercially available proline-based organocatalysts. Condensation of cyclopentadiene with the acetyl function of a 1,2-formylacetophenone, followed by cyclization of a resulting fulvene-stabilized carbanion with the formyl group, generates bicyclic chiral alcohols with initial er values up to 94:6. Exceptional enantio-enrichment of the resultant alcohols results upon crystallization-even near racemic samples spontaneously de-racemize. This enables new families of substituted cyclopentadienes that are both enantiomerically and diastereomerically pure to be rapidly attained.
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Affiliation(s)
- Ryan Nouch
- GlaxoSmithKline Carbon Neutral Laboratories for Sustainable Chemistry, University of Nottingham, 6 Triumph Road, Nottingham, NG7 2GA, UK
| | - Melchior Cini
- GlaxoSmithKline Carbon Neutral Laboratories for Sustainable Chemistry, University of Nottingham, 6 Triumph Road, Nottingham, NG7 2GA, UK
| | - Marc Magre
- Departament de Química Física i Inorgànica, Universìtat Rovira i Virgili, Campus Sescelades, Marcel, lí Domingo, 1-43007, Tarragona, Spain
| | - Mohammed Abid
- GlaxoSmithKline Carbon Neutral Laboratories for Sustainable Chemistry, University of Nottingham, 6 Triumph Road, Nottingham, NG7 2GA, UK
| | - Montserrat Diéguez
- Departament de Química Física i Inorgànica, Universìtat Rovira i Virgili, Campus Sescelades, Marcel, lí Domingo, 1-43007, Tarragona, Spain
| | - Oscar Pàmies
- Departament de Química Física i Inorgànica, Universìtat Rovira i Virgili, Campus Sescelades, Marcel, lí Domingo, 1-43007, Tarragona, Spain
| | - Simon Woodward
- GlaxoSmithKline Carbon Neutral Laboratories for Sustainable Chemistry, University of Nottingham, 6 Triumph Road, Nottingham, NG7 2GA, UK
| | - William Lewis
- GlaxoSmithKline Carbon Neutral Laboratories for Sustainable Chemistry, University of Nottingham, 6 Triumph Road, Nottingham, NG7 2GA, UK
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Matsunami A, Kuwata S, Kayaki Y. A Bifunctional Iridium Catalyst Modified for Persistent Hydrogen Generation from Formic Acid: Understanding Deactivation via Cyclometalation of a 1,2-Diphenylethylenediamine Motif. ACS Catal 2017. [DOI: 10.1021/acscatal.7b01068] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Asuka Matsunami
- Department
of Chemical Science and Engineering, School of Materials and Chemical
Technology, Tokyo Institute of Technology, 2-12-1-E4-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Shigeki Kuwata
- Department
of Chemical Science and Engineering, School of Materials and Chemical
Technology, Tokyo Institute of Technology, 2-12-1-E4-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan
- PRESTO, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Yoshihito Kayaki
- Department
of Chemical Science and Engineering, School of Materials and Chemical
Technology, Tokyo Institute of Technology, 2-12-1-E4-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan
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Hao B, Gunaratna MJ, Zhang M, Weerasekara S, Seiwald SN, Nguyen VT, Meier A, Hua DH. Chiral-Substituted Poly-N-vinylpyrrolidinones and Bimetallic Nanoclusters in Catalytic Asymmetric Oxidation Reactions. J Am Chem Soc 2016; 138:16839-16848. [PMID: 27976875 PMCID: PMC6394832 DOI: 10.1021/jacs.6b12113] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A new class of poly-N-vinylpyrrolidinones containing an asymmetric center at C5 of the pyrrolidinone ring were synthesized from l-amino acids. The polymers, particularly 17, were used to stabilize nanoclusters such as Pd/Au for the catalytic asymmetric oxidations of 1,3- and 1,2-cycloalkanediols and alkenes, and Cu/Au was used for C-H oxidation of cycloalkanes. It was found that the bulkier the C5 substituent in the pyrrolidinone ring, the greater the optical yields produced. Both oxidative kinetic resolution of (±)-1,3- and 1,2-trans-cycloalkanediols and desymmetrization of meso cis-diols took place with 0.15 mol % Pd/Au (3:1)-17 under oxygen atmosphere in water to give excellent chemical and optical yields of (S)-hydroxy ketones. Various alkenes were oxidized with 0.5 mol % Pd/Au (3:1)-17 under 30 psi of oxygen in water to give the dihydroxylated products in >93% ee. Oxidation of (R)-limonene at 25 °C occurred at the C-1,2-cyclic alkene function yielding (1S,2R,4R)-dihydroxylimonene 49 in 92% yield. Importantly, cycloalkanes were oxidized with 1 mol % Cu/Au (3:1)-17 and 30% H2O2 in acetonitrile to afford chiral ketones in very good to excellent chemical and optical yields. Alkene function was not oxidized under the reaction conditions. Mechanisms were proposed for the oxidation reactions, and observed stereo- and regio-chemistry were summarized.
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Affiliation(s)
- Bo Hao
- Department of Chemistry, Kansas State University, Manhattan, KS 66506
USA
| | - Medha J. Gunaratna
- Department of Chemistry, Kansas State University, Manhattan, KS 66506
USA
| | - Man Zhang
- Department of Chemistry, Kansas State University, Manhattan, KS 66506
USA
| | - Sahani Weerasekara
- Department of Chemistry, Kansas State University, Manhattan, KS 66506
USA
| | | | | | - Alex Meier
- Department of Chemistry, Kansas State University, Manhattan, KS 66506
USA
| | - Duy H. Hua
- Department of Chemistry, Kansas State University, Manhattan, KS 66506
USA
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Chanda T, Singh MS. Developments toward the synthesis and application of 3-hydroxyindanones. Org Biomol Chem 2016; 14:8895-8910. [DOI: 10.1039/c6ob01648k] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
3-Hydroxyindanone is an important scaffold in many natural products, biologically active compounds, and functional materials. This review provides a comprehensive overview of the construction of 3-hydroxyindanone derivatives and their applications towards pharmaceutically promising drug candidates.
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Affiliation(s)
- Tanmoy Chanda
- Department of Chemistry
- Institute of Science
- Banaras Hindu University
- Varanasi-221005
- India
| | - Maya Shankar Singh
- Department of Chemistry
- Institute of Science
- Banaras Hindu University
- Varanasi-221005
- India
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Kopylovich MN, Ribeiro AP, Alegria EC, Martins NM, Martins LM, Pombeiro AJ. Catalytic Oxidation of Alcohols. ADVANCES IN ORGANOMETALLIC CHEMISTRY 2015. [DOI: 10.1016/bs.adomc.2015.02.004] [Citation(s) in RCA: 110] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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