1
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Zhao Y, Ye F, Fu Y. Herbicide Safeners: From Molecular Structure Design to Safener Activity. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:2451-2466. [PMID: 38276871 DOI: 10.1021/acs.jafc.3c08923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2024]
Abstract
Herbicide safeners, highly effective antidotes, find widespread application in fields for alleviating the phytotoxicity of herbicides to crops. Designing new herbicide safeners remains a notable issue in pesticide research. This review focuses on discussing and summarizing the structure-activity relationships, molecular structures, physicochemical properties, and molecular docking of herbicide safeners in order to explore how different structures affect the safener activities of target compounds. It also provides insights into the application prospects of computer-aided drug design for designing and synthesizing new safeners in the future.
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Affiliation(s)
- Yaning Zhao
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Fei Ye
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Ying Fu
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
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2
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Abstract
The stereoselective total synthesis of structure 1 assigned to the macrolide natural product neaumycin B is reported in a 2.3% overall yield on 90 mg scale. The synthesis features a gram-scale nickel-catalyzed reductive cross-coupling/spiroketalization tactic to construct the spiroketal core of neaumycin B. The stereostructures of the C3-C6, C8-C14, and C20-C41 segments of synthetic neaumycin B were unambiguously verified by X-ray crystallography.
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Affiliation(s)
- Jiaming Ding
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Amos B Smith
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
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3
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Masiuk US, Faletrov YV, Kananovich DG, Mineyeva IV. Stereodivergent Assembly of 2,6- cis- and - trans-Tetrahydropyrans via Base-Mediated Oxa-Michael Cyclization: The Key Role of the TMEDA Additive. J Org Chem 2023; 88:355-370. [PMID: 36495268 DOI: 10.1021/acs.joc.2c02382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The stereodivergent synthesis of cis- and trans-2,6-disubstituted tetrahydropyrans (THPs) via sodium hexamethyldisilazide-promoted oxa-Michael cyclization of (E)-ζ-hydroxy α,β-unsaturated esters is presented. The cyclization affords the kinetically favored trans-THPs with high stereoselectivity (dr up to 93:7) at a low temperature (-78 °C), while the room-temperature reaction does not produce the thermodynamically preferred cis-THPs as major products and occurs with poor stereocontrol. The addition of tetramethylethylenediamine (TMEDA) significantly improves the stereochemical outcome of the room-temperature cyclization and allows attaining high cis-selectivity (dr up to 99:1). The remarkable effect of TMEDA indicates that the sodium cation plays an important role in controlling the stereoselectivity of the thermodynamically driven process, that is, complexation of the cation with the cyclization products results in diminished selectivity. DFT calculations support this conclusion, indicating a greater difference in Gibbs energies of sodium-free cis- and trans-enolates compared to the respective sodium chelate complexes. The synthetic utility of the method has been demonstrated by the formal syntheses of (+)-Neopeltolide and (-)-Diospongin B and the total synthesis of (-)-Diospongin A.
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Affiliation(s)
- Uladzimir S Masiuk
- Department of Chemistry, Belarusian State University, Leningradskaya 14, 220006 Minsk, Belarus.,School of Science, Department of Chemistry and Biotechnology, Tallinn University of Technology, Akadeemia tee 15, 12618 Tallinn, Estonia
| | - Yaroslav V Faletrov
- Department of Chemistry, Belarusian State University, Leningradskaya 14, 220006 Minsk, Belarus.,Research Institute for Physical Chemical Problems, Belarusian State University, Leningradskaya 14, 220006 Minsk, Belarus
| | - Dzmitry G Kananovich
- School of Science, Department of Chemistry and Biotechnology, Tallinn University of Technology, Akadeemia tee 15, 12618 Tallinn, Estonia
| | - Iryna V Mineyeva
- Department of Chemistry, Belarusian State University, Leningradskaya 14, 220006 Minsk, Belarus
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4
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Jankowski N, Dietrich J, Krause N. Transition Metal‐free Cycloisomerization of Propargylic Amides to Oxazoles in Hexafluoroisopropanol (HFIP). Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200559] [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]
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5
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Abe Y, Ukai K, Michida M. Efficient Divergent Synthesis of 2′- O,4′- C-Ethylene-Bridged Nucleic Acid (ENA) Phosphoramidites. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.2c00013] [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]
Affiliation(s)
- Yuzo Abe
- Process Technology Research Laboratories (PTRL), Pharmaceutical Technology Division, Daiichi Sankyo Co., Ltd., 1-12-1 Shinomiya, Hiratsuka-shi, Kanagawa 254-0014, Japan
| | - Kazutoshi Ukai
- Process Technology Research Laboratories (PTRL), Pharmaceutical Technology Division, Daiichi Sankyo Co., Ltd., 1-12-1 Shinomiya, Hiratsuka-shi, Kanagawa 254-0014, Japan
| | - Makoto Michida
- Process Technology Research Laboratories (PTRL), Pharmaceutical Technology Division, Daiichi Sankyo Co., Ltd., 1-12-1 Shinomiya, Hiratsuka-shi, Kanagawa 254-0014, Japan
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6
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Sharma A, Athe S, P.I R, Vishali K, Ghosh S. Total synthesis of the proposed structure of metacridamide B. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153374] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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7
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Koser L, Lechner VM, Bach T. Biomimetic Total Synthesis of Enterocin. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202108157] [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)
- Lilla Koser
- Technische Universität München School of Natural Sciences Department of Chemistry and Catalysis Research Center Lichtenbergstrasse 4 85747 Garching Germany
| | - Vivian Miles Lechner
- Technische Universität München School of Natural Sciences Department of Chemistry and Catalysis Research Center Lichtenbergstrasse 4 85747 Garching Germany
| | - Thorsten Bach
- Technische Universität München School of Natural Sciences Department of Chemistry and Catalysis Research Center Lichtenbergstrasse 4 85747 Garching Germany
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8
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Koser L, Lechner VM, Bach T. Biomimetic Total Synthesis of Enterocin. Angew Chem Int Ed Engl 2021; 60:20269-20273. [PMID: 34278701 PMCID: PMC8457242 DOI: 10.1002/anie.202108157] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Indexed: 02/06/2023]
Abstract
The first chemical total synthesis of the highly oxygenated polyketide enterocin has been accomplished. The key step of the synthesis was a late‐stage biomimetic reaction cascade involving two intramolecular aldol reactions in which each step proceeded in 52 % yield (averaged) and which established four of the seven stereogenic centers. The pivotal precursor for the cascade reaction was assembled from three readily available building blocks. A chiral dithioacetal with two stereogenic centers originating from L‐arabinose represented the core fragment to both ends of which the other building blocks were attached by aldol reactions. The remaining stereogenic center was installed by Davis oxygenation immediately prior to the key step.
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Affiliation(s)
- Lilla Koser
- Technische Universität München, School of Natural Sciences, Department of Chemistry and Catalysis Research Center, Lichtenbergstrasse 4, 85747, Garching, Germany
| | - Vivian Miles Lechner
- Technische Universität München, School of Natural Sciences, Department of Chemistry and Catalysis Research Center, Lichtenbergstrasse 4, 85747, Garching, Germany
| | - Thorsten Bach
- Technische Universität München, School of Natural Sciences, Department of Chemistry and Catalysis Research Center, Lichtenbergstrasse 4, 85747, Garching, Germany
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9
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Biocatalytic Silylation: The Condensation of Phenols and Alcohols with Triethylsilanol. Catalysts 2021. [DOI: 10.3390/catal11080879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Silicatein-α (Silα), a hydrolytic enzyme derived from siliceous marine sponges, is one of the few enzymes in nature capable of catalysing the metathesis of silicon–oxygen bonds. It is therefore of interest as a possible biocatalyst for the synthesis of organosiloxanes. To further investigate the substrate scope of this enzyme, a series of condensation reactions with a variety of phenols and aliphatic alcohols were carried out. In general, it was observed that Silα demonstrated a preference for phenols, though the conversions were relatively modest in most cases. In the two pairs of chiral alcohols that were investigated, it was found that the enzyme displayed a preference for the silylation of the S-enantiomers. Additionally, the enzyme’s tolerance to a range of solvents was tested. Silα had the highest level of substrate conversion in the nonpolar solvents n-octane and toluene, although the inclusion of up to 20% of 1,4-dioxane was tolerated. These results suggest that Silα is a potential candidate for directed evolution toward future application as a robust and selective biocatalyst for organosiloxane chemistry.
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10
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Mantel M, Giesler M, Guder M, Rüthlein E, Hartmann L, Pietruszka J. Lewis‐Base‐Brønsted‐Säure‐Enzym‐Katalyse in enantioselektiven mehrstufigen Eintopf‐Synthesen. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202103406] [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)
- Marvin Mantel
- Institut für Bioorganische Chemie Heinrich-Heine-Universität Düsseldorf im Forschungszentrum Jülich Stetternicher Forst, Geb. 15.8 52426 Jülich Deutschland
| | - Markus Giesler
- Institut für Organische und Makromolekulare Chemie Heinrich-Heine-Universität Düsseldorf 40225 Düsseldorf Deutschland
| | - Marian Guder
- Institut für Bio- und Geowissenschaften: Biotechnologie (IBG-1) Forschungszentrum Jülich GmbH 52428 Jülich Deutschland
| | - Elisabeth Rüthlein
- Institut für Bioorganische Chemie Heinrich-Heine-Universität Düsseldorf im Forschungszentrum Jülich Stetternicher Forst, Geb. 15.8 52426 Jülich Deutschland
| | - Laura Hartmann
- Institut für Organische und Makromolekulare Chemie Heinrich-Heine-Universität Düsseldorf 40225 Düsseldorf Deutschland
| | - Jörg Pietruszka
- Institut für Bioorganische Chemie Heinrich-Heine-Universität Düsseldorf im Forschungszentrum Jülich Stetternicher Forst, Geb. 15.8 52426 Jülich Deutschland
- Institut für Bio- und Geowissenschaften: Biotechnologie (IBG-1) Forschungszentrum Jülich GmbH 52428 Jülich Deutschland
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11
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Mantel M, Giesler M, Guder M, Rüthlein E, Hartmann L, Pietruszka J. Lewis Base-Brønsted Acid-Enzyme Catalysis in Enantioselective Multistep One-Pot Syntheses. Angew Chem Int Ed Engl 2021; 60:16700-16706. [PMID: 33856095 PMCID: PMC8360128 DOI: 10.1002/anie.202103406] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/08/2021] [Indexed: 12/23/2022]
Abstract
Establishing one-pot, multi-step protocols combining different types of catalysts is one important goal for increasing efficiency in modern organic synthesis. In particular, the high potential of biocatalysts still needs to be harvested. Based on an in-depth mechanistic investigation of a new organocatalytic protocol employing two catalysts {1,4-diazabicyclo[2.2.2]octane (DABCO); benzoic acid (BzOH)}, a sequence was established providing starting materials for enzymatic refinement (ene reductase; alcohol dehydrogenase): A gram-scale access to a variety of enantiopure key building blocks for natural product syntheses was enabled utilizing up to six catalytic steps within the same reaction vessel.
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Affiliation(s)
- Marvin Mantel
- Institut für Bioorganische ChemieHeinrich-Heine-Universität Düsseldorf im Forschungszentrum JülichStetternicher Forst, Geb. 15.852426JülichGermany
| | - Markus Giesler
- Institut für Organische und Makromolekulare ChemieHeinrich-Heine-Universität Düsseldorf40225DüsseldorfGermany
| | - Marian Guder
- Institut für Bio- und Geowissenschaften: Biotechnologie (IBG-1)Forschungszentrum Jülich GmbH52428JülichGermany
| | - Elisabeth Rüthlein
- Institut für Bioorganische ChemieHeinrich-Heine-Universität Düsseldorf im Forschungszentrum JülichStetternicher Forst, Geb. 15.852426JülichGermany
| | - Laura Hartmann
- Institut für Organische und Makromolekulare ChemieHeinrich-Heine-Universität Düsseldorf40225DüsseldorfGermany
| | - Jörg Pietruszka
- Institut für Bioorganische ChemieHeinrich-Heine-Universität Düsseldorf im Forschungszentrum JülichStetternicher Forst, Geb. 15.852426JülichGermany
- Institut für Bio- und Geowissenschaften: Biotechnologie (IBG-1)Forschungszentrum Jülich GmbH52428JülichGermany
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12
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Abstract
Abstract
C23H28OSi, monoclinic, P21/c (no. 14), a = 14.2882(11) Å, b = 17.8169(10) Å, c = 7.6201(6) Å, β = 103.780(8)°, V = 1884.0(2) Å3, Z = 4, R
gt
(F) = 0.0538, wR
ref
(F
2) = 0.1241, T = 173(2) K.
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Affiliation(s)
- Jonathan O. Bauer
- Institut für Anorganische Chemie, Fakultät für Chemie und Pharmazie, Universität Regensburg , Universitätsstraße 31, D-93053 Regensburg , Germany
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13
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Bauer JO, Espinosa‐Jalapa NA, Fontana N, Götz T, Falk A. Functional Group Variation in
tert
‐Butyldiphenylsilanes (TBDPS): Syntheses, Reactivities, and Effects on the Intermolecular Interaction Pattern in the Molecular Crystalline State. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100342] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Jonathan O. Bauer
- Institut für Anorganische Chemie Fakultät für Chemie und Pharmazie Universität Regensburg Universitätsstraße 31 93053 Regensburg Germany
| | - Noel Angel Espinosa‐Jalapa
- Institut für Anorganische Chemie Fakultät für Chemie und Pharmazie Universität Regensburg Universitätsstraße 31 93053 Regensburg Germany
| | - Nicolò Fontana
- Institut für Anorganische Chemie Fakultät für Chemie und Pharmazie Universität Regensburg Universitätsstraße 31 93053 Regensburg Germany
| | - Tobias Götz
- Institut für Anorganische Chemie Fakultät für Chemie und Pharmazie Universität Regensburg Universitätsstraße 31 93053 Regensburg Germany
| | - Alexander Falk
- Institut für Anorganische Chemie Fakultät für Chemie und Pharmazie Universität Regensburg Universitätsstraße 31 93053 Regensburg Germany
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14
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Abe Y, Ukai K, Michida M. Development of Highly Efficient Divergent Synthesis for 2’-<i>O</i>,4’-<i>C</i>-Ethylene-bridged Nucleic Acid (ENA) Phosphoramidites. J SYN ORG CHEM JPN 2020. [DOI: 10.5059/yukigoseikyokaishi.78.435] [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)
| | | | - Makoto Michida
- Process Technology Research Laboratories, Daiichi Sankyo Co., Ltd
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15
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Hollmann T, Berkhan G, Wagner L, Sung KH, Kolb S, Geise H, Hahn F. Biocatalysts from Biosynthetic Pathways: Enabling Stereoselective, Enzymatic Cycloether Formation on a Gram Scale. ACS Catal 2020. [DOI: 10.1021/acscatal.9b05071] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Tim Hollmann
- Professur für Organische Chemie (Lebensmittelchemie), Fakultät für Biologie, Chemie und Geowissenschaften, Department of Chemistry, Universität Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Gesche Berkhan
- Professur für Organische Chemie (Lebensmittelchemie), Fakultät für Biologie, Chemie und Geowissenschaften, Department of Chemistry, Universität Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
- Centre for Biomolecular Drug Research, Leibniz Universität Hannover, Schneiderberg 38, 30167 Hannover, Germany
| | - Lisa Wagner
- Professur für Organische Chemie (Lebensmittelchemie), Fakultät für Biologie, Chemie und Geowissenschaften, Department of Chemistry, Universität Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Kwang Hoon Sung
- Helmholtz-Zentrum für Infektionsforschung GmbH, Inhoffenstrasse 7, 38124 Braunschweig, Germany
- Institute of Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, Spielmannstrasse 7, 38106 Braunschweig, Germany
- Protein Facility, ILAb Co., Ltd. NP513, The Catholic University of Korea, 420-743 Bucheon, Republic of Korea
| | - Simon Kolb
- Professur für Organische Chemie (Lebensmittelchemie), Fakultät für Biologie, Chemie und Geowissenschaften, Department of Chemistry, Universität Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Hendrik Geise
- Centre for Biomolecular Drug Research, Leibniz Universität Hannover, Schneiderberg 38, 30167 Hannover, Germany
| | - Frank Hahn
- Professur für Organische Chemie (Lebensmittelchemie), Fakultät für Biologie, Chemie und Geowissenschaften, Department of Chemistry, Universität Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
- Centre for Biomolecular Drug Research, Leibniz Universität Hannover, Schneiderberg 38, 30167 Hannover, Germany
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16
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Curti C, Battistini L, Sartori A, Zanardi F. New Developments of the Principle of Vinylogy as Applied to π-Extended Enolate-Type Donor Systems. Chem Rev 2020; 120:2448-2612. [PMID: 32040305 PMCID: PMC7993750 DOI: 10.1021/acs.chemrev.9b00481] [Citation(s) in RCA: 102] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Indexed: 12/19/2022]
Abstract
The principle of vinylogy states that the electronic effects of a functional group in a molecule are possibly transmitted to a distal position through interposed conjugated multiple bonds. As an emblematic case, the nucleophilic character of a π-extended enolate-type chain system may be relayed from the legitimate α-site to the vinylogous γ, ε, ..., ω remote carbon sites along the chain, provided that suitable HOMO-raising strategies are adopted to transform the unsaturated pronucleophilic precursors into the reactive polyenolate species. On the other hand, when "unnatural" carbonyl ipso-sites are activated as nucleophiles (umpolung), vinylogation extends the nucleophilic character to "unnatural" β, δ, ... remote sites. Merging the principle of vinylogy with activation modalities and concepts such as iminium ion/enamine organocatalysis, NHC-organocatalysis, cooperative organo/metal catalysis, bifunctional organocatalysis, dicyanoalkylidene activation, and organocascade reactions represents an impressive step forward for all vinylogous transformations. This review article celebrates this evolutionary progress, by collecting, comparing, and critically describing the achievements made over the nine year period 2010-2018, in the generation of vinylogous enolate-type donor substrates and their use in chemical synthesis.
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Affiliation(s)
| | | | | | - Franca Zanardi
- Dipartimento di Scienze degli
Alimenti e del Farmaco, Università
di Parma, Parco Area delle Scienze 27A, 43124 Parma, Italy
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17
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Delbrouck JA, Tikad A, Vincent SP. Efficient and regioselective synthesis of γ-lactone glycosides through a novel debenzylative cyclization reaction. Chem Commun (Camb) 2018; 54:9845-9848. [PMID: 30110026 DOI: 10.1039/c8cc05523h] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient and regioselective approach for the construction of synthetically important γ-lactone glycosides is reported from unprotected aldoses through a new debenzylative lactonization (DBL) reaction. The scope and limitations of this DBL reaction are described starting from a series of commercially available hexoses (l-fucose, d-galactose, d-glucose) and pentoses (d-arabinose, d-ribose, d-lyxose, d-xylose) to afford the corresponding γ-lactones in good yields and without concomitant δ-lactone formation.
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Affiliation(s)
- Julien A Delbrouck
- University of Namur, Département de Chimie, Laboratoire de Chimie Bio-Organique, Rue de Bruxelles 61, B-5000 Namur, Belgium.
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18
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Satapathy S, Prabakaran P, Prasad E. Augmenting Photoinduced Charge Transport in a Single-Component Gel System: Controlled In Situ Gel-Crystal Transformation at Room Temperature. Chemistry 2018; 24:6217-6230. [DOI: 10.1002/chem.201800218] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Indexed: 11/10/2022]
Affiliation(s)
- Sitakanta Satapathy
- Physical Organic Chemistry Division; Department of Chemistry; Indian Institute of Technology Madras; Chennai 600036 India
| | - Palani Prabakaran
- Physical Organic Chemistry Division; Department of Chemistry; Indian Institute of Technology Madras; Chennai 600036 India
| | - Edamana Prasad
- Physical Organic Chemistry Division; Department of Chemistry; Indian Institute of Technology Madras; Chennai 600036 India
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19
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Guttenberger N, Breinbauer R. C H and C C bond insertion reactions of diazo compounds into aldehydes. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.10.051] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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20
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Gil A, Albericio F, Álvarez M. Role of the Nozaki–Hiyama–Takai–Kishi Reaction in the Synthesis of Natural Products. Chem Rev 2017. [DOI: 10.1021/acs.chemrev.7b00144] [Citation(s) in RCA: 99] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Alejandro Gil
- ChemBio Lab, Barcelona Science Park, Baldiri Reixac 10, E-08028 Barcelona, Spain
- CIBER-BBN,
Networking
Centre on Bioengineering, Biomaterials and Nanomedicine, Barcelona Science Park, Baldiri Reixac 10, 08028 Barcelona, Spain
| | - Fernando Albericio
- ChemBio Lab, Barcelona Science Park, Baldiri Reixac 10, E-08028 Barcelona, Spain
- CIBER-BBN,
Networking
Centre on Bioengineering, Biomaterials and Nanomedicine, Barcelona Science Park, Baldiri Reixac 10, 08028 Barcelona, Spain
- University of Kwa-Zulu-Natal, 4001, Durban, South Africa
| | - Mercedes Álvarez
- ChemBio Lab, Barcelona Science Park, Baldiri Reixac 10, E-08028 Barcelona, Spain
- CIBER-BBN,
Networking
Centre on Bioengineering, Biomaterials and Nanomedicine, Barcelona Science Park, Baldiri Reixac 10, 08028 Barcelona, Spain
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21
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Gómez-Palomino A, Pellicena M, Krämer K, Romea P, Urpí F, Aullón G, Padrón JM. Total synthesis of (+)-herboxidiene/GEX 1A. Org Biomol Chem 2017; 15:1842-1862. [DOI: 10.1039/c7ob00072c] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient synthesis of herboxidiene is granted from highly stereoselective aldol reactions from two lactate-derived ketones and an oxa-Michael cyclization.
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Affiliation(s)
- Alejandro Gómez-Palomino
- Departament de Química Inorgànica i Orgànica
- Secció de Química Orgànica
- and Institut de Biomedicina (IBUB)
- Universitat de Barcelona
- 08028 Barcelona
| | - Miquel Pellicena
- Departament de Química Inorgànica i Orgànica
- Secció de Química Orgànica
- and Institut de Biomedicina (IBUB)
- Universitat de Barcelona
- 08028 Barcelona
| | - Katrina Krämer
- Departament de Química Inorgànica i Orgànica
- Secció de Química Orgànica
- and Institut de Biomedicina (IBUB)
- Universitat de Barcelona
- 08028 Barcelona
| | - Pedro Romea
- Departament de Química Inorgànica i Orgànica
- Secció de Química Orgànica
- and Institut de Biomedicina (IBUB)
- Universitat de Barcelona
- 08028 Barcelona
| | - Fèlix Urpí
- Departament de Química Inorgànica i Orgànica
- Secció de Química Orgànica
- and Institut de Biomedicina (IBUB)
- Universitat de Barcelona
- 08028 Barcelona
| | - Gabriel Aullón
- Departament de Química Inorgànica i Orgànica
- Secció de Química Inorgànica
- Universitat de Barcelona
- 08028 Barcelona
- Spain
| | - José M. Padrón
- BioLab
- Instituto Universitario de Bio-Orgánica “Antonio González” (IUBO-AG)
- Centro de Investigaciones Biomédicas de Canarias (CIBICAN)
- Universidad de La Laguna
- Spain
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22
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Leahy JW, Brzezinski LJ. A synthetic approach to the phorboxazoles—synthesis of the exocyclic fragment. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.08.090] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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23
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Matsumoto Y, Hibino K, Yonaga M, Kakeya H, Hayashi Y. Enantioselective Total Synthesis of RQN-18690A (18-Deoxyherboxidiene). Org Lett 2016; 18:3382-5. [PMID: 27377811 DOI: 10.1021/acs.orglett.6b01524] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The first total synthesis of RQN-18690A (18-deoxyherboxidiene) and the determination of its absolute stereochemical configuration are described. The synthesis features an organocatalytic aldol reaction for the first step, 1,4- and 1,2- dual reductions of α,β-unsaturated δ-lactone followed by a domino reaction in a one-pot operation, and diastereoselective epoxidation with kinetic resolution.
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Affiliation(s)
- Yasunobu Matsumoto
- Graduate School of Pharmaceutical Sciences, University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.,Discovery Research Laboratories, Eisai Co., Ltd., 5-1-3 Tokodai, Tsukuba, Ibaraki 300-2635, Japan
| | - Kazuhiro Hibino
- Department of Industrial Chemistry, Faculty of Engineering, Tokyo University of Science , Kagurazaka Shinjuku-ku, Tokyo 162-8601, Japan
| | - Masahiro Yonaga
- Graduate School of Pharmaceutical Sciences, University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.,Discovery Research Laboratories, Eisai Co., Ltd., 5-1-3 Tokodai, Tsukuba, Ibaraki 300-2635, Japan
| | - Hideaki Kakeya
- Department of System Chemotherapy and Molecular Sciences, Division of Bioinformatics and Chemical Genomics, Graduate School of Pharmaceutical Sciences, Kyoto University , Sakyo-ku, Kyoto 606-8501, Japan.,Chemical Biology Research Group, RIKEN Center for Sustainable Resource Science, Wako, Saitama 351-0198, Japan
| | - Yujiro Hayashi
- Department of Chemistry, Graduate School of Science, Tohoku University , 6-3 Aramaki-Aza Aoba, Aoba-ku, Sendai 980-8578, Japan
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24
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Synthesis of the phorboxazoles—potent, architecturally novel marine natural products. J Antibiot (Tokyo) 2016; 69:220-52. [DOI: 10.1038/ja.2016.8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Revised: 01/14/2016] [Accepted: 01/19/2016] [Indexed: 11/08/2022]
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25
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Thirupathi B, Mohapatra DK. Gold-catalyzed Hosomi–Sakurai type reaction for the total synthesis of herboxidiene. Org Biomol Chem 2016; 14:6212-24. [DOI: 10.1039/c6ob00321d] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The total synthesis of herboxidiene has been accomplished in the 22 longest linear sequences, starting from commercially available 2-butyne-1,4-diol following Jørgensen's asymmetric epoxidation, gold-catalyzed stereoselective allylation of lactols, Evans alkylation, Stille coupling, vanadyl-oxo epoxidation as key steps.
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Affiliation(s)
- Barla Thirupathi
- Natural Products Chemistry Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500007
- India
| | - Debendra K. Mohapatra
- Natural Products Chemistry Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500007
- India
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26
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Börding S, Bach T. An enantioselective synthesis of the C24-C40 fragment of (-)-pulvomycin. Chem Commun (Camb) 2015; 50:4901-3. [PMID: 24691561 DOI: 10.1039/c4cc01338g] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The C24-C40 fragment of (-)-pulvomycin was prepared in enantiomerically pure form using a concise synthesis method (15 linear steps from D-fucose, 6.8% overall yield) featuring a diastereoselective addition to an aldehyde, a β-selective glycosylation and a Stille cross-coupling as the key steps.
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Affiliation(s)
- Sandra Börding
- Lehrstuhl für Organische Chemie I, Technische Universität München, 85747 Garching, Germany.
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27
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Raju KB, Kumar BN, Kumar BS, Nagaiah K. Towards Stereoselective Synthesis of the C(31)-C(39) and C(20)-C(27) Fragments of Phorboxazole A. Helv Chim Acta 2015. [DOI: 10.1002/hlca.201400279] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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28
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Uehling MR, Rucker RP, Lalic G. Catalytic Anti-Markovnikov Hydrobromination of Alkynes. J Am Chem Soc 2014; 136:8799-803. [DOI: 10.1021/ja503944n] [Citation(s) in RCA: 90] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Mycah R. Uehling
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Richard P. Rucker
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Gojko Lalic
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
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29
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30
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Jiang H, Cheng Y, Zhang Y, Yu S. De Novo Synthesis of Polysubstituted Naphthols and Furans Using Photoredox Neutral Coupling of Alkynes with 2-Bromo-1,3-dicarbonyl Compounds. Org Lett 2013; 15:4884-7. [DOI: 10.1021/ol402325z] [Citation(s) in RCA: 93] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Heng Jiang
- State Key Laboratory of Analytical Chemistry for Life Science and Institute of Chemical Biology and Drug Innovation, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, China
| | - Yuanzheng Cheng
- State Key Laboratory of Analytical Chemistry for Life Science and Institute of Chemical Biology and Drug Innovation, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, China
| | - Yan Zhang
- State Key Laboratory of Analytical Chemistry for Life Science and Institute of Chemical Biology and Drug Innovation, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, China
| | - Shouyun Yu
- State Key Laboratory of Analytical Chemistry for Life Science and Institute of Chemical Biology and Drug Innovation, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, China
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31
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Affiliation(s)
- R. David Crouch
- a Department of Chemistry , Dickinson College , Carlisle , Pennsylvania , USA
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32
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33
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34
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Clarke PA, Ermanis K. Synthesis of the C20–C32 Tetrahydropyran Core of the Phorboxazoles and the C22 Epimer via a Stereodivergent Michael Reaction. Org Lett 2012; 14:5550-3. [DOI: 10.1021/ol3026523] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Paul A. Clarke
- Department of Chemistry, University of York, Heslington, York YO10 5DD, United Kingdom
| | - Kristaps Ermanis
- Department of Chemistry, University of York, Heslington, York YO10 5DD, United Kingdom
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35
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Lee K, Kim H, Hong J. N-Heterocyclic Carbene Catalyzed Oxidative Macrolactonization: Total Synthesis of (+)-Dactylolide. Angew Chem Int Ed Engl 2012; 51:5735-8. [DOI: 10.1002/anie.201201653] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2012] [Indexed: 11/08/2022]
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36
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Lee K, Kim H, Hong J. N-Heterocyclic Carbene Catalyzed Oxidative Macrolactonization: Total Synthesis of (+)-Dactylolide. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201201653] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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37
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Saha P, Ghosh P, Sultana S, Saikia AK. Diastereoselective synthesis of substituted dihydropyrans via an oxonium–ene cyclization reaction. Org Biomol Chem 2012; 10:8730-8. [DOI: 10.1039/c2ob26088c] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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38
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Fuwa H. Total Synthesis of Tetrahydropyran-Containing Natural Products Exploiting Intramolecular Oxa-Conjugate Cyclization. HETEROCYCLES 2012. [DOI: 10.3987/rev-12-730] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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39
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Fuwa H, Ichinokawa N, Noto K, Sasaki M. Stereoselective Synthesis of 2,6-Cis-Substituted Tetrahydropyrans: Brønsted Acid-Catalyzed Intramolecular Oxa-Conjugate Cyclization of α,β-Unsaturated Ester Surrogates. J Org Chem 2011; 77:2588-607. [DOI: 10.1021/jo202179s] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Haruhiko Fuwa
- Graduate
School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577,
Japan
| | - Naoki Ichinokawa
- Graduate
School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577,
Japan
| | - Kenkichi Noto
- Graduate
School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577,
Japan
| | - Makoto Sasaki
- Graduate
School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577,
Japan
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40
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Pellicena M, Krämer K, Romea P, Urpí F. Total synthesis of (+)-herboxidiene from two chiral lactate-derived ketones. Org Lett 2011; 13:5350-3. [PMID: 21913648 DOI: 10.1021/ol202210k] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A substrate-controlled synthesis of (+)-herboxidiene from two lactate-derived chiral ketones is described. Remarkably, most of the carbon backbone was constructed through highly stereoselective titanium-mediated aldol reactions and an Ireland-Claisen rearrangement. Furthermore, an oxa-Michael cyclization and a high-yield Suzuki coupling were used to assemble the pyran ring and the diene moiety respectively.
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Affiliation(s)
- Miquel Pellicena
- Departament de Química Orgànica, Universitat de Barcelona, Carrer Martí i Franqués 1-11, 08028 Barcelona, Catalonia, Spain
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41
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Fuwa H, Noto K, Sasaki M. Biosynthesis-Inspired Intramolecular Oxa-Conjugate Cyclization of α,β-Unsaturated Thioesters: Stereoselective Synthesis of 2,6-cis-Substituted Tetrahydropyrans. Org Lett 2011; 13:1820-3. [DOI: 10.1021/ol200333p] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Haruhiko Fuwa
- Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
| | - Kenkichi Noto
- Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
| | - Makoto Sasaki
- Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
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