1
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Call A, Capocasa G, Palone A, Vicens L, Aparicio E, Choukairi Afailal N, Siakavaras N, López Saló ME, Bietti M, Costas M. Highly Enantioselective Catalytic Lactonization at Nonactivated Primary and Secondary γ-C-H Bonds. J Am Chem Soc 2023; 145:18094-18103. [PMID: 37540636 PMCID: PMC10507665 DOI: 10.1021/jacs.3c06231] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Indexed: 08/06/2023]
Abstract
Chiral oxygenated aliphatic moieties are recurrent in biological and pharmaceutically relevant molecules and constitute one of the most versatile types of functionalities for further elaboration. Herein we report a protocol for straightforward and general access to chiral γ-lactones via enantioselective oxidation of strong nonactivated primary and secondary C(sp3)-H bonds in readily available carboxylic acids. The key enabling aspect is the use of robust sterically encumbered manganese catalysts that provide outstanding enantioselectivities (up to >99.9%) and yields (up to 96%) employing hydrogen peroxide as the oxidant. The resulting γ-lactones are of immediate interest for the preparation of inter alia natural products and recyclable polymeric materials.
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Affiliation(s)
- Arnau Call
- Institut
de Química Computacional i Catàlisi (IQCC) and Departament
de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia, Spain
| | - Giorgio Capocasa
- Institut
de Química Computacional i Catàlisi (IQCC) and Departament
de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia, Spain
| | - Andrea Palone
- Institut
de Química Computacional i Catàlisi (IQCC) and Departament
de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia, Spain
| | - Laia Vicens
- Institut
de Química Computacional i Catàlisi (IQCC) and Departament
de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia, Spain
| | - Eric Aparicio
- Institut
de Química Computacional i Catàlisi (IQCC) and Departament
de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia, Spain
| | - Najoua Choukairi Afailal
- Institut
de Química Computacional i Catàlisi (IQCC) and Departament
de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia, Spain
| | - Nikos Siakavaras
- Institut
de Química Computacional i Catàlisi (IQCC) and Departament
de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia, Spain
| | - Maria Eugènia López Saló
- Institut
de Química Computacional i Catàlisi (IQCC) and Departament
de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia, Spain
| | - Massimo Bietti
- Dipartimento
di Scienze e Tecnologie Chimiche, Università
“Tor Vergata”, Via della Ricerca Scientifica, 1 I-00133 Rome, Italy
| | - Miquel Costas
- Institut
de Química Computacional i Catàlisi (IQCC) and Departament
de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia, Spain
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2
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Narmon AS, van Slagmaat CAMR, De Wildeman SMA, Dusselier M. Sustainable Polythioesters via Thio(no)lactones: Monomer Synthesis, Ring-Opening Polymerization, End-of-Life Considerations, and Industrial Perspectives. CHEMSUSCHEM 2023; 16:e202202276. [PMID: 36649173 DOI: 10.1002/cssc.202202276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/16/2023] [Accepted: 01/17/2023] [Indexed: 05/06/2023]
Abstract
As the environmental effects of plastics are of ever greater concern, the industry is driven towards more sustainable polymers. Besides sustainability, our fast-developing society imposes the need for highly versatile materials. Whereas aliphatic polyesters (PEs) are widely adopted and studied as next-generation biobased and (bio)degradable materials, their sulfur-containing analogs, polythioesters (PTEs), only recently gained attention. Nevertheless, the introduction of S atoms is known to often enhance thermal, mechanical, electrochemical, and optical properties, offering prospects for broad applicability. Furthermore, thanks to their thioester-based backbone, PTEs are inherently susceptible to degradation, giving them a high sustainability potential. The key route to PTEs is through ring-opening polymerization (ROP) of thio(no)lactones. This Review critically discusses the (potential) sustainability of the most relevant state-of-the-art in every step from sulfur source to end-of-life treatment options of PTEs, obtained through ROP of thio(no)lactones. The benefits and drawbacks of PTEs versus PEs are highlighted, including their industrial perspective.
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Affiliation(s)
- An Sofie Narmon
- Department of Microbial and Molecular Systems, Center for Sustainable Catalysis and Engineering (CSCE), KU Leuven, Celestijnenlaan 200F, 3001, Leuven, Belgium
- B4Plastics BV, IQ-Parklaan 2 A, 3650, Dilsen-Stokkem, Belgium
| | | | | | - Michiel Dusselier
- Department of Microbial and Molecular Systems, Center for Sustainable Catalysis and Engineering (CSCE), KU Leuven, Celestijnenlaan 200F, 3001, Leuven, Belgium
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3
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Call A, Cianfanelli M, Besalú-Sala P, Olivo G, Palone A, Vicens L, Ribas X, Luis JM, Bietti M, Costas M. Carboxylic Acid Directed γ-Lactonization of Unactivated Primary C-H Bonds Catalyzed by Mn Complexes: Application to Stereoselective Natural Product Diversification. J Am Chem Soc 2022; 144:19542-19558. [PMID: 36228322 DOI: 10.1021/jacs.2c08620] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Reactions that enable selective functionalization of strong aliphatic C-H bonds open new synthetic paths to rapidly increase molecular complexity and expand chemical space. Particularly valuable are reactions where site-selectivity can be directed toward a specific C-H bond by catalyst control. Herein we describe the catalytic site- and stereoselective γ-lactonization of unactivated primary C-H bonds in carboxylic acid substrates. The system relies on a chiral Mn catalyst that activates aqueous hydrogen peroxide to promote intramolecular lactonization under mild conditions, via carboxylate binding to the metal center. The system exhibits high site-selectivity and enables the oxidation of unactivated primary γ-C-H bonds even in the presence of intrinsically weaker and a priori more reactive secondary and tertiary ones at α- and β-carbons. With substrates bearing nonequivalent γ-C-H bonds, the factors governing site-selectivity have been uncovered. Most remarkably, by manipulating the absolute chirality of the catalyst, γ-lactonization at methyl groups in gem-dimethyl structural units of rigid cyclic and bicyclic carboxylic acids can be achieved with unprecedented levels of diastereoselectivity. Such control has been successfully exploited in the late-stage lactonization of natural products such as camphoric, camphanic, ketopinic, and isoketopinic acids. DFT analysis points toward a rebound type mechanism initiated by intramolecular 1,7-HAT from a primary γ-C-H bond of the bound substrate to a highly reactive MnIV-oxyl intermediate, to deliver a carbon radical that rapidly lactonizes through carboxylate transfer. Intramolecular kinetic deuterium isotope effect and 18O labeling experiments provide strong support to this mechanistic picture.
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Affiliation(s)
- Arnau Call
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17003, Catalonia, Spain
| | - Marco Cianfanelli
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17003, Catalonia, Spain
| | - Pau Besalú-Sala
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17003, Catalonia, Spain
| | - Giorgio Olivo
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17003, Catalonia, Spain
| | - Andrea Palone
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17003, Catalonia, Spain.,Dipartimento di Scienze e Tecnologie Chimiche, Università "Tor Vergata", Via della Ricerca Scientifica 1, I-00133 Rome, Italy
| | - Laia Vicens
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17003, Catalonia, Spain
| | - Xavi Ribas
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17003, Catalonia, Spain
| | - Josep M Luis
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17003, Catalonia, Spain
| | - Massimo Bietti
- Dipartimento di Scienze e Tecnologie Chimiche, Università "Tor Vergata", Via della Ricerca Scientifica 1, I-00133 Rome, Italy
| | - Miquel Costas
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17003, Catalonia, Spain
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4
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McCourt RO, Scanlan EM. Radical‐Mediated Approaches for the Synthesis of Thiolactones. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ruairí O. McCourt
- Department School of Chemistry Trinity Biomedical Sciences Institute (TBSI) The University of Dublin Dublin 2 Ireland
| | - Eoin M. Scanlan
- Department School of Chemistry Trinity Biomedical Sciences Institute (TBSI) The University of Dublin Dublin 2 Ireland
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5
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Bińczak J, Dziuba K, Chrobok A. Recent Developments in Lactone Monomers and Polymer Synthesis and Application. MATERIALS (BASEL, SWITZERLAND) 2021; 14:2881. [PMID: 34072108 PMCID: PMC8198756 DOI: 10.3390/ma14112881] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 05/17/2021] [Accepted: 05/24/2021] [Indexed: 01/07/2023]
Abstract
Lactones are a group of compounds that have been known for several decades. The commercial importance of lactones results from the possibility of manufacturing of a broad scope of derivatives and polymers with a wide spectrum of applications. In this work the synthesis and characterization of simple lactones are described, which due to the easy methods of the synthesis are of high importance for the industry. The chemical as well as biochemical methods are included with special attention paid to the methods that avoid metal catalysts, initiators or toxic solvents, allowing the use of the final products for the medical applications, e.g., for controlled drug-release systems, resorbable surgical threads, implants, tissue scaffolds or for the production of drugs. Lactone-based derivatives, such as polymers, copolymers, composites or three-dimensional structures are also presented. The work is focused on the methods for the synthesis of lactones and lactones derivates, as well as on the special properties and application of the studied compounds.
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Affiliation(s)
- Jakub Bińczak
- Department of Chemical Organic Technology and Petrochemistry, PhD School, Silesian University of Technology, Akademicka 2a, 44-100 Gliwice, Poland; or
- Grupa Azoty Zakłady Azotowe, Puławy” S.A., Al. Tysiąclecia Państwa Polskiego 13, 24-110 Puławy, Poland;
| | - Krzysztof Dziuba
- Grupa Azoty Zakłady Azotowe, Puławy” S.A., Al. Tysiąclecia Państwa Polskiego 13, 24-110 Puławy, Poland;
| | - Anna Chrobok
- Faculty of Chemistry, Silesian University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland
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6
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Palate KY, Epton RG, Whitwood AC, Lynam JM, Unsworth WP. Synthesis of macrocyclic and medium-sized ring thiolactones via the ring expansion of lactams. Org Biomol Chem 2021; 19:1404-1411. [PMID: 33491715 DOI: 10.1039/d0ob02502j] [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
A side chain insertion method for the ring expansion of lactams into macrocyclic thiolactones is reported, that can also be incorporated into Successive Ring Expansion (SuRE) sequences. The reactions are less thermodynamically favourable than the analogous lactam- and lactone-forming ring expansion processes (with this notion supported by DFT data), but nonetheless, three complementary protecting group strategies have been developed to enable this challenging transformation to be achieved.
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Affiliation(s)
- Kleopas Y Palate
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK.
| | - Ryan G Epton
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK.
| | - Adrian C Whitwood
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK.
| | - Jason M Lynam
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK.
| | - William P Unsworth
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK.
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7
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McCourt R, Scanlan EM. 5‐
exo versus
6‐
endo
Thiyl‐Radical Cyclizations in Organic Synthesis. Helv Chim Acta 2019. [DOI: 10.1002/hlca.201900162] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Ruairí McCourt
- Trinity Biomedical Sciences Institute (TBSI), Trinity College DublinThe University of Dublin, Dublin 2 Ireland
| | - Eoin M. Scanlan
- Trinity Biomedical Sciences Institute (TBSI), Trinity College DublinThe University of Dublin, Dublin 2 Ireland
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8
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Choi H, Jang H, Kim H, Lee K. Synthesis of γ-Lactones via the Kowalski Homologation Reaction: Protecting-Group-Free Divergent Total Syntheses of Eupomatilones-2,5,6, and 3- epi-Eupomatilone-6. Org Lett 2019; 21:7857-7862. [PMID: 31556618 DOI: 10.1021/acs.orglett.9b02848] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A highly efficient synthesis of functionalized chiral γ-butyrolactone scaffolds has been described. The basis of the approach is the Kowalski ester homologation that is modified for our proposed transformation. The newly developed methodology combines a divergent synthetic strategy to permit a straightforward protecting-group-free asymmetric total syntheses of eupomatilones-2,5,6, and 3-epi-eupomatilone-6 in five or six steps from commercial starting materials, making it one of the shortest syntheses reported to date.
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Affiliation(s)
- Hosam Choi
- Department of Chemistry , The Catholic University of Korea , Bucheon 14662 , Korea
| | - Hanho Jang
- Department of Chemistry , The Catholic University of Korea , Bucheon 14662 , Korea
| | - Hyoungsu Kim
- College of Pharmacy , Ajou University , Suwon 16499 , Korea
| | - Kiyoun Lee
- Department of Chemistry , The Catholic University of Korea , Bucheon 14662 , Korea
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9
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Baysak E, Gunay US, Daglar O, Durmaz H. Synthesis and post-polymerization modification of polyester containing pendant thiolactone units. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.01.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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10
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Goudie MJ, Singha P, Hopkins SP, Brisbois EJ, Handa H. Active Release of an Antimicrobial and Antiplatelet Agent from a Nonfouling Surface Modification. ACS APPLIED MATERIALS & INTERFACES 2019; 11:4523-4530. [PMID: 30607929 PMCID: PMC7962626 DOI: 10.1021/acsami.8b16819] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Two major challenges faced by medical devices are thrombus formation and infection. In this work, surface-tethered nitric oxide (NO)-releasing molecules are presented as a solution to combat infection and thrombosis. These materials possess a robust NO release capacity lasting ca. 1 month while simultaneously improving the nonfouling nature of the material by preventing platelet, protein, and bacteria adhesion. NO's potent bactericidal function has been implemented by a facile surface covalent attachment method to fabricate a triple-action coating-surface-immobilized S-nitroso- N-acetylpenicillamine (SIM-S). Comparison of NO loading amongst the various branching configurations is shown through the NO release kinetics over time and the cumulative NO release. Biological characterization is performed using in vitro fibrinogen and Staphylococcus aureus assays. The material with the highest NO release, SIM-S2, is also able to reduce protein adhesion by 65.8 ± 8.9% when compared to unmodified silicone. SIM-S2 demonstrates a 99.99% (i.e., ∼4 log) reduction for S. aureus over 24 h. The various functionalized surfaces significantly reduce platelet adhesion in vitro, for both NO-releasing and non-NO-releasing surfaces (up to 89.1 ± 0.9%), demonstrating the nonfouling nature of the surface-immobilized functionalities. The ability of the SIM-S surfaces to retain antifouling properties despite gradual depletion of the bactericidal source, NO, demonstrates its potential use in long-term medical implants.
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Affiliation(s)
- Marcus J. Goudie
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Priyadarshini Singha
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Sean P. Hopkins
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Elizabeth J. Brisbois
- Department of Materials Science and Engineering, University of Central Florida, Orlando, FL, USA
| | - Hitesh Handa
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
- Corresponding Author: Dr. Hitesh Handa, Assistant Professor, University of Georgia, 220 Riverbend Road, Athens, GA 30602, Telephone: (706) 542-8109,
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11
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12
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Richers J, Heilmann M, Drees M, Tiefenbacher K. Synthesis of Lactones via C–H Functionalization of Nonactivated C(sp3)–H Bonds. Org Lett 2016; 18:6472-6475. [DOI: 10.1021/acs.orglett.6b03371] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Johannes Richers
- Department
of Chemistry, Technical University of Munich, Lichtenbergstraße 4, 85747 Garching, Germany
| | - Michael Heilmann
- Department
of Chemistry, University of Basel, St. Johanns-Ring 19, 4056 Basel, Switzerland
| | - Markus Drees
- Department
of Chemistry, Technical University of Munich, Lichtenbergstraße 4, 85747 Garching, Germany
| | - Konrad Tiefenbacher
- Department
of Chemistry, University of Basel, St. Johanns-Ring 19, 4056 Basel, Switzerland
- Department
of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse
26, 4058 Basel, Switzerland
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13
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Guo T, Jiang Q, Yu Z. Copper-Catalyzed Ring-Expansion/ThiolactonizationviaAzidation of Internal Olefinic C-H Bond under Mild Conditions. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600675] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Tenglong Guo
- Dalian Institute of Chemical Physics; Chinese Academy of Sciences; 457 Zhongshan Road Dalian, Liaoning 116023 People's Republic of China
| | - Quanbin Jiang
- Dalian Institute of Chemical Physics; Chinese Academy of Sciences; 457 Zhongshan Road Dalian, Liaoning 116023 People's Republic of China
| | - Zhengkun Yu
- Dalian Institute of Chemical Physics; Chinese Academy of Sciences; 457 Zhongshan Road Dalian, Liaoning 116023 People's Republic of China
- State Key Laboratory of Organometallic Chemistry; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 354 Fenglin Road Shanghai 200032 People's Republic of China
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14
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Neumeyer M, Brückner R. Nonracemic γ-Lactones from the Sharpless Asymmetric Dihydroxylation of β,γ-Unsaturated Carboxylic Esters. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600520] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Markus Neumeyer
- Institut für Organische Chemie; Albert-Ludwigs-Universität Freiburg; Albertstraße 21 79104 Freiburg Germany
| | - Reinhard Brückner
- Institut für Organische Chemie; Albert-Ludwigs-Universität Freiburg; Albertstraße 21 79104 Freiburg Germany
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15
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Espeel P, Du Prez FE. One-pot multi-step reactions based on thiolactone chemistry: A powerful synthetic tool in polymer science. Eur Polym J 2015. [DOI: 10.1016/j.eurpolymj.2014.07.008] [Citation(s) in RCA: 119] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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16
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Lemoine H, Marković D, Deguin B. Mild and chemoselective lactone ring-opening with (TMS)ONa. Mechanistic studies and application to sweroside derivatives. J Org Chem 2014; 79:4358-66. [PMID: 24738692 DOI: 10.1021/jo500220h] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Mild and chemoselective opening of lactones with sodium trimethylsilanolate in high yields and aprotic solvents is described. Kinetic studies demonstrate that the B(Ac)2 mechanistic pathway is followed. Nucleophilic attack of silanolate onto the carbonyl of the lactone moiety is the rate-determining step. NaOH present as an impurity accelerates the reaction. The method was further applied to the base-sensitive and stable lactones derived from highly functionalized iridoid derivatives.
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Affiliation(s)
- Hugues Lemoine
- Laboratoire de Pharmacognosie, Faculté des Sciences Pharmaceutiques et Biologiques, Université Paris Descartes, Sorbonne Paris Cité, UMR/CNRS No. 8638 , 4 Avenue de l'Observatoire, F-75006 Paris, France
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17
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Espeel P, Du Prez FE. One-Pot Double Modification of Polymers Based on Thiolactone Chemistry. MULTI-COMPONENT AND SEQUENTIAL REACTIONS IN POLYMER SYNTHESIS 2014. [DOI: 10.1007/12_2014_304] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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18
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Tuo S, Liu X, Huang P. Towards Stereochemical Control: Two Approaches for the Highlyanti-Diastereoselective Construction of the Spirolactone Moieties of SomeStemonaAlkaloids. CHINESE J CHEM 2012. [DOI: 10.1002/cjoc.201200904] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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19
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Liu XK, Ye JL, Ruan YP, Li YX, Huang PQ. Total Synthesis of (−)-Sessilifoliamide J. J Org Chem 2012; 78:35-41. [DOI: 10.1021/jo3014484] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xue-Kui Liu
- Department of Chemistry, College
of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P. R. China
| | - Jian-Liang Ye
- Department of Chemistry, College
of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P. R. China
| | - Yuan-Ping Ruan
- Department of Chemistry, College
of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P. R. China
| | - Yu-Xiu Li
- Department of Chemistry, College
of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P. R. China
| | - Pei-Qiang Huang
- Department of Chemistry, College
of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P. R. China
- State Key Laboratory of Bioorganic and Natural Products Chemistry, 354 Fenglin
Lu, Shanghai 200032, P. R. China
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20
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Wang YH, Ye JL, Wang AE, Huang PQ. Reductive hydroxyalkylation/alkylation of amines with lactones/esters. Org Biomol Chem 2012; 10:6504-11. [DOI: 10.1039/c2ob25901j] [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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21
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Dugarte NY, Erben MF, Boese R, Ge MF, Yao L, Della Védova CO. Molecular and Electronic Structure of δ-Valerothiolactone. J Phys Chem A 2010; 114:12540-7. [DOI: 10.1021/jp108885s] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Nahir Y. Dugarte
- CEQUINOR (UNLP-CONICET, CCT La Plata), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, C.C. 962 (1900), La Plata, República Argentina, LaSeISiC (CIC-UNLP-CONICET) Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Camino Centenario y 508, Gonnet, República Argentina, Institut für Anorganische Chemie, Universität Duisburg-Essen, Universitätsstr. 5-7, D-45117 Essen, Germany, and State Key Laboratory for Structural Chemistry of
| | - Mauricio F. Erben
- CEQUINOR (UNLP-CONICET, CCT La Plata), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, C.C. 962 (1900), La Plata, República Argentina, LaSeISiC (CIC-UNLP-CONICET) Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Camino Centenario y 508, Gonnet, República Argentina, Institut für Anorganische Chemie, Universität Duisburg-Essen, Universitätsstr. 5-7, D-45117 Essen, Germany, and State Key Laboratory for Structural Chemistry of
| | - Roland Boese
- CEQUINOR (UNLP-CONICET, CCT La Plata), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, C.C. 962 (1900), La Plata, República Argentina, LaSeISiC (CIC-UNLP-CONICET) Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Camino Centenario y 508, Gonnet, República Argentina, Institut für Anorganische Chemie, Universität Duisburg-Essen, Universitätsstr. 5-7, D-45117 Essen, Germany, and State Key Laboratory for Structural Chemistry of
| | - Mao-Fa Ge
- CEQUINOR (UNLP-CONICET, CCT La Plata), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, C.C. 962 (1900), La Plata, República Argentina, LaSeISiC (CIC-UNLP-CONICET) Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Camino Centenario y 508, Gonnet, República Argentina, Institut für Anorganische Chemie, Universität Duisburg-Essen, Universitätsstr. 5-7, D-45117 Essen, Germany, and State Key Laboratory for Structural Chemistry of
| | - Li Yao
- CEQUINOR (UNLP-CONICET, CCT La Plata), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, C.C. 962 (1900), La Plata, República Argentina, LaSeISiC (CIC-UNLP-CONICET) Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Camino Centenario y 508, Gonnet, República Argentina, Institut für Anorganische Chemie, Universität Duisburg-Essen, Universitätsstr. 5-7, D-45117 Essen, Germany, and State Key Laboratory for Structural Chemistry of
| | - Carlos O. Della Védova
- CEQUINOR (UNLP-CONICET, CCT La Plata), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, C.C. 962 (1900), La Plata, República Argentina, LaSeISiC (CIC-UNLP-CONICET) Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Camino Centenario y 508, Gonnet, República Argentina, Institut für Anorganische Chemie, Universität Duisburg-Essen, Universitätsstr. 5-7, D-45117 Essen, Germany, and State Key Laboratory for Structural Chemistry of
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Beck B, Srivastava S, Khoury K, Herdtweck E, Dömling A. One-pot multicomponent synthesis of two novel thiolactone scaffolds. Mol Divers 2010; 14:479-91. [DOI: 10.1007/s11030-010-9249-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2009] [Accepted: 03/22/2010] [Indexed: 11/29/2022]
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Chighine A, Crosignani S, Arnal MC, Bradley M, Linclau B. Microwave-Assisted Ester Formation Using O-Alkylisoureas: A Convenient Method for the Synthesis of Esters with Inversion of Configuration. J Org Chem 2009; 74:4753-62. [DOI: 10.1021/jo900476y] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Alessandra Chighine
- School of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, United Kingdom, and School of Chemistry, University of Edinburgh, Joseph Black Building, West Mains Road, Edinburgh EH9 3JJ, United Kingdom
| | - Stefano Crosignani
- School of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, United Kingdom, and School of Chemistry, University of Edinburgh, Joseph Black Building, West Mains Road, Edinburgh EH9 3JJ, United Kingdom
| | - Marie-Claire Arnal
- School of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, United Kingdom, and School of Chemistry, University of Edinburgh, Joseph Black Building, West Mains Road, Edinburgh EH9 3JJ, United Kingdom
| | - Mark Bradley
- School of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, United Kingdom, and School of Chemistry, University of Edinburgh, Joseph Black Building, West Mains Road, Edinburgh EH9 3JJ, United Kingdom
| | - Bruno Linclau
- School of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, United Kingdom, and School of Chemistry, University of Edinburgh, Joseph Black Building, West Mains Road, Edinburgh EH9 3JJ, United Kingdom
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Habel A, Boland W. Efficient and flexible synthesis of chiral γ- and δ-lactones. Org Biomol Chem 2008; 6:1601-4. [DOI: 10.1039/b801514g] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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