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Igawa K, Uehara K, Kawasaki Y, Tomooka K. Stereochemical study on planar-chiral cyclic molecules using polysaccharide-based column chromatography. Chirality 2022; 34:824-832. [PMID: 35403298 DOI: 10.1002/chir.23429] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 02/10/2022] [Accepted: 02/10/2022] [Indexed: 12/18/2022]
Abstract
The presence of planar chirality of a variety of medium-sized heterocycles, along with nine-membered cyclic ketone and its enol ester, was revealed by observation of isolable enantiomers by analytical high-performance liquid chromatography (HPLC) using a chiral stationary phase with a polysaccharide-based chiral selector. Several tens of milligrams of enantiomers of the planar-chiral molecules were successfully separated by preparative-scale HPLC, leading to the preparation of an enantioenriched sample. This in turn enabled detailed stereochemical studies, including measurement of half-lives of the optical activity and X-ray crystallography for elucidation of stereochemistry.
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Affiliation(s)
- Kazunobu Igawa
- Institute for Materials Chemistry and Engineering and IRCCS, Kyushu University, Kasuga, Fukuoka, Japan
| | - Kazuhiro Uehara
- Institute for Materials Chemistry and Engineering and IRCCS, Kyushu University, Kasuga, Fukuoka, Japan
| | - Yuuya Kawasaki
- Institute for Materials Chemistry and Engineering and IRCCS, Kyushu University, Kasuga, Fukuoka, Japan
| | - Katsuhiko Tomooka
- Institute for Materials Chemistry and Engineering and IRCCS, Kyushu University, Kasuga, Fukuoka, Japan
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2
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Mori-Quiroz LM, Maloba EW, Maleczka RE. Silylcyclopropanes by Selective [1,4]-Wittig Rearrangement of 4-Silyl-5,6-dihydropyrans. Org Lett 2021; 23:5724-5728. [PMID: 34236869 DOI: 10.1021/acs.orglett.1c01838] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
4-Silyl-5,6-dihydropyrans undergo remarkably selective [1,4]-Wittig rearrangements to give silylcyclopropanes in good yields. The selectivity is independent of the silyl group, but it is influenced by the electronic character of the migrating center. Electron-rich and electron-neutral (hetero)aryl groups and aliphatic substituents at the migrating center lead to exclusive [1,4]-migration, whereas electron-deficient aryl groups predominantly afford [1,2]-Wittig products.
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Affiliation(s)
- Luis M Mori-Quiroz
- Department of Chemistry, Michigan State University, 578 South Shaw Lane, East Lansing, Michigan 48824, United States
| | - Emmanuel W Maloba
- Department of Chemistry, Michigan State University, 578 South Shaw Lane, East Lansing, Michigan 48824, United States
| | - Robert E Maleczka
- Department of Chemistry, Michigan State University, 578 South Shaw Lane, East Lansing, Michigan 48824, United States
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3
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Klychnikov MK, Pohl R, Císařová I, Jahn U. Application of the Brook Rearrangement in Tandem with Single Electron Transfer Oxidative and Radical Processes. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000126] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Mikhail K. Klychnikov
- Institute of Organic Chemistry and Biochemistry; Czech Academy of Sciences; Flemingovo náměstí 2 16610 Prague 6 Czech Republic
| | - Radek Pohl
- Institute of Organic Chemistry and Biochemistry; Czech Academy of Sciences; Flemingovo náměstí 2 16610 Prague 6 Czech Republic
| | - Ivana Císařová
- Department of Inorganic Chemistry; Faculty of Science; Charles University in Prague; Hlavova 2030/8 12843 Prague 2 Czech Republic
| | - Ullrich Jahn
- Institute of Organic Chemistry and Biochemistry; Czech Academy of Sciences; Flemingovo náměstí 2 16610 Prague 6 Czech Republic
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4
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Rodríguez RI, Ramírez E, Fernández-Salas JA, Sánchez-Obregón R, Yuste F, Alemán J. Asymmetric [2,3]-Wittig Rearrangement: Synthesis of Homoallylic, Allenylic, and Enynyl α-Benzyl Alcohols. Org Lett 2018; 20:8047-8051. [PMID: 30525700 DOI: 10.1021/acs.orglett.8b03659] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
A highly stereoselective [2,3]-Wittig rearrangement of allylic and propargylic ethers controlled by a chiral sulfoxide moiety is presented. The activation provided by the sulfoxide at the remote ortho position allows the rearrangement of less-activated and unexplored benzylic carbanions. Thus, this general methodology gives access to the asymmetric synthesis of homoallylic, enynyl, and allenylic α-benzyl alcohol derivatives.
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Affiliation(s)
- Ricardo I Rodríguez
- Instituto de Química , Universidad Nacional Autónoma de México , Circuito Exterior, Cd. Universitaria, Coyoacán 04510 , México City , México.,Departamento de Química Orgánica (módulo-1) , Universidad Autónoma de Madrid , Cantoblanco, 28049 Madrid , Spain
| | - Elsie Ramírez
- Instituto de Química , Universidad Nacional Autónoma de México , Circuito Exterior, Cd. Universitaria, Coyoacán 04510 , México City , México
| | - José A Fernández-Salas
- Departamento de Química Orgánica (módulo-1) , Universidad Autónoma de Madrid , Cantoblanco, 28049 Madrid , Spain
| | - Rubén Sánchez-Obregón
- Instituto de Química , Universidad Nacional Autónoma de México , Circuito Exterior, Cd. Universitaria, Coyoacán 04510 , México City , México
| | - Francisco Yuste
- Instituto de Química , Universidad Nacional Autónoma de México , Circuito Exterior, Cd. Universitaria, Coyoacán 04510 , México City , México
| | - José Alemán
- Departamento de Química Orgánica (módulo-1) , Universidad Autónoma de Madrid , Cantoblanco, 28049 Madrid , Spain.,Institute for Advanced Research in Chemical Sciences (IAdChem) , Universidad Autónoma de Madrid , 28049 Madrid , Spain
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5
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Ho GM, Li YJ. Tandem [1,2]-Wittig Rearrangement/Lactonization of γ-Benzyloxy Vinylogous Urethanes: Application to the Synthetic Studies of Maculalactone A, Planchol C and γ-Lycorane. ASIAN J ORG CHEM 2017. [DOI: 10.1002/ajoc.201700589] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Guo-Ming Ho
- Department of Applied Chemistry; National Chiayi University; 300 Syuefu Road Chiayi City 60004 Taiwan
- Genomics Research Center; Academia Sinica; 128 Academia Road, Section 2 Taipei 11529 Taiwan
| | - Yu-Jang Li
- Department of Applied Chemistry; National Chiayi University; 300 Syuefu Road Chiayi City 60004 Taiwan
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6
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Affiliation(s)
- Katsuhiko Tomooka
- Institute for Materials Chemistry and Engineering, Kyushu University
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7
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8
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Denmark SE, Cullen LR. Development of a Phase-Transfer-Catalyzed, [2,3]-Wittig Rearrangement. J Org Chem 2015; 80:11818-48. [DOI: 10.1021/acs.joc.5b01759] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Scott E. Denmark
- Department of Chemistry, University of Illinois, Urbana, Illinois 61801, United Sates
| | - Lindsey R. Cullen
- Department of Chemistry, University of Illinois, Urbana, Illinois 61801, United Sates
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9
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Mori-Quiroz LM, Maleczka RE. Stereoconvergent [1,2]- and [1,4]-Wittig rearrangements of 2-silyl-6-aryl-5,6-dihydropyrans: a tale of steric vs electronic regiocontrol of divergent pathways. J Org Chem 2015; 80:1163-91. [PMID: 25490725 PMCID: PMC4301091 DOI: 10.1021/jo5026942] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Indexed: 11/29/2022]
Abstract
The regiodivergent ring contraction of diastereomeric 2-silyl-5,6-dihydro-6-aryl-(2H)-pyrans via [1,2]- and [1,4]-Wittig rearrangements to the corresponding α-silylcyclopentenols or (α-cyclopropyl)acylsilanes favor the [1,4]-pathway by ortho and para directing groups in the aromatic appendage and/or by sterically demanding silyl groups. The [1,2]-pathway is dominant with meta directing or electron-poor aromatic moieties. Exclusive [1,2]-Wittig rearrangements are observed when olefin substituents proximal to the silyl are present. cis and trans diastereomers exhibit different reactivities, but converge to a single [1,2]- or [1,4]-Wittig product with high diastereoselectivity and yield.
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Affiliation(s)
- Luis M. Mori-Quiroz
- Department of Chemistry, Michigan
State University, 578
South Shaw Lane, East
Lansing, Michigan 48824, United States
| | - Robert E. Maleczka
- Department of Chemistry, Michigan
State University, 578
South Shaw Lane, East
Lansing, Michigan 48824, United States
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Salomone A, Perna FM, Falcicchio A, Nilsson Lill SO, Moliterni A, Michel R, Florio S, Stalke D, Capriati V. Direct observation of a lithiated oxirane: a synergistic study using spectroscopic, crystallographic, and theoretical methods on the structure and stereodynamics of lithiated ortho-trifluoromethyl styrene oxide. Chem Sci 2014. [DOI: 10.1039/c3sc52099d] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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11
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Řehová L, Císařová I, Jahn U. Divergent Reactivity of Alkyl Aryl Sulfones with Bases: Selective Functionalization ofortho-Aryl and α-Alkyl Units Enabled by a Unique Carbanion Transmetalation. European J Org Chem 2013. [DOI: 10.1002/ejoc.201301553] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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12
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Affiliation(s)
| | - Kei Takeda
- Institute of Biomedical & Health Sciences, Hiroshima University
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13
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Nagaki A, Takizawa E, Yoshida JI. Generation and Reactions of Oxiranyllithiums by Use of a Flow Microreactor System. Chemistry 2010; 16:14149-58. [DOI: 10.1002/chem.201000815] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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14
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Capriati V, Florio S. Anatomy of long-lasting love affairs with lithium carbenoids: past and present status and future prospects. Chemistry 2010; 16:4152-62. [PMID: 20222089 DOI: 10.1002/chem.200902870] [Citation(s) in RCA: 122] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
After a long adolescence, the chemistry of lithium carbenoids has currently been entering its maturity bringing a dowry of a more in-depth and less empirical knowledge of the structure and configurational stability of such double-faced intermediates; this, thanks in particular to the synergistic and harmonic cooperation between calculations and the most modern NMR techniques now at our disposal. Such knowledge has stimulated the development of fruitful stereoselective applications in the field of organic synthesis, providing in addition a rationale to observed selectivities. Such aspects together with the role played by aggregation and solvation on the structure-reactivity relationship are highlighted throughout this Minireview with selected examples extracted from recent literature.
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Affiliation(s)
- Vito Capriati
- Dipartimento Farmaco-Chimico, Università di Bari Aldo Moro, Consorzio Interuniversitario Nazionale Metodologie e Processi Innovativi di Sintesi C.I.N.M.P.I.S. Via E. Orabona 4, 70125 Bari, Italy.
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García Ruano JL, Martín-Castro AM, Tato F, Torrente E, Tocco MG, Florio S, Capriati V. Stereoselective synthesis of 2,3-epoxy alcohols mediated by a remote sulfinyl group. Tetrahedron 2010. [DOI: 10.1016/j.tet.2009.12.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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16
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Capriati V, Florio S, Perna F, Salomone A, Abbotto A, Amedjkouh M, Nilsson Lill S. On the Dichotomic Reactivity of Lithiated Styrene Oxide: A Computational and Multinuclear Magnetic Resonance Investigation. Chemistry 2009; 15:7958-7979. [DOI: 10.1002/chem.200900834] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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17
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Sasaki M, Ikemoto H, Kawahata M, Yamaguchi K, Takeda K. [2,3]-Wittig Rearrangement of Enantiomerically Enriched 3-Substituted 1-Propenyloxy-1-phenyl-2-propen-1-yl Carbanions: Effect of Heteroatoms and Conjugating Groups on Planarization of an α-Oxy-Benzylcarbanion through a Double Bond. Chemistry 2009; 15:4663-6. [DOI: 10.1002/chem.200802322] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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18
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Takeda K, Ikemoto H, Sasaki M. Development of Epoxysilane Rearrangement and Its Application to Chirality Transfer. HETEROCYCLES 2009. [DOI: 10.3987/rev-09-657] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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19
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Hodgson DM, Bray CD, Kindon ND, Reynolds NJ, Coote SJ, Um JM, Houk KN. Synthesis and C-Alkylation of Hindered Aldehyde Enamines. J Org Chem 2008; 74:1019-28. [DOI: 10.1021/jo802016t] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- David M. Hodgson
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Christopher D. Bray
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Nicholas D. Kindon
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Nigel J. Reynolds
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Steven J. Coote
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Joann M. Um
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - K. N. Houk
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
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20
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Vedrenne E, Wallner OA, Vitale M, Schmidt F, Aggarwal VK. Homologation of Boronic Esters with Lithiated Epoxides for the Stereocontrolled Synthesis of 1,2- and 1,3-Diols and 1,2,4-Triols. Org Lett 2008; 11:165-8. [DOI: 10.1021/ol802651b] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | - Olov A. Wallner
- School of Chemistry, University of Bristol, Bristol BS81TS, U.K
| | - Maxime Vitale
- School of Chemistry, University of Bristol, Bristol BS81TS, U.K
| | - Frank Schmidt
- School of Chemistry, University of Bristol, Bristol BS81TS, U.K
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Capriati V, Florio S, Luisi R, Perna FM, Spina A. 2-Lithio-3,3-dimethyl-2-oxazolinyloxirane: Carbanion or Azaenolate? Structure, Configurational Stability, and Stereodynamics in Solution. J Org Chem 2008; 73:9552-64. [DOI: 10.1021/jo801646e] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Vito Capriati
- Dipartimento Farmaco-Chimico, Università di Bari, Consorzio Interuniversitario Nazionale Metodologie e Processi Innovativi di Sintesi C.I.N.M.P.I.S., Via E. Orabona 4, I-70125 Bari, Italy
| | - Saverio Florio
- Dipartimento Farmaco-Chimico, Università di Bari, Consorzio Interuniversitario Nazionale Metodologie e Processi Innovativi di Sintesi C.I.N.M.P.I.S., Via E. Orabona 4, I-70125 Bari, Italy
| | - Renzo Luisi
- Dipartimento Farmaco-Chimico, Università di Bari, Consorzio Interuniversitario Nazionale Metodologie e Processi Innovativi di Sintesi C.I.N.M.P.I.S., Via E. Orabona 4, I-70125 Bari, Italy
| | - Filippo Maria Perna
- Dipartimento Farmaco-Chimico, Università di Bari, Consorzio Interuniversitario Nazionale Metodologie e Processi Innovativi di Sintesi C.I.N.M.P.I.S., Via E. Orabona 4, I-70125 Bari, Italy
| | - Agnese Spina
- Dipartimento Farmaco-Chimico, Università di Bari, Consorzio Interuniversitario Nazionale Metodologie e Processi Innovativi di Sintesi C.I.N.M.P.I.S., Via E. Orabona 4, I-70125 Bari, Italy
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22
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Capriati V, Florio S, Luisi R. α-Substituted α-Lithiated Oxiranes: Useful Reactive Intermediates. Chem Rev 2008; 108:1918-42. [DOI: 10.1021/cr0683921] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Vito Capriati
- Dipartimento Farmaco-Chimico, Università di Bari, Consorzio Interuniversitario C.I.N.M.P.I.S., Via E. Orabona 4, I-70125 - Bari, Italy
| | - Saverio Florio
- Dipartimento Farmaco-Chimico, Università di Bari, Consorzio Interuniversitario C.I.N.M.P.I.S., Via E. Orabona 4, I-70125 - Bari, Italy
| | - Renzo Luisi
- Dipartimento Farmaco-Chimico, Università di Bari, Consorzio Interuniversitario C.I.N.M.P.I.S., Via E. Orabona 4, I-70125 - Bari, Italy
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23
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Synthesis of (−)-xialenon A by enantioselective α-deprotonation-rearrangement of a meso-epoxide. Tetrahedron 2003. [DOI: 10.1016/j.tet.2003.09.023] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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24
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Hodgson DM, Buxton TJ, Cameron ID, Gras E, Kirton EHM. Enantioselective synthesis of epoxides by α-deprotonation—electrophile trapping of achiral epoxides. Org Biomol Chem 2003; 1:4293-301. [PMID: 14685333 DOI: 10.1039/b309717j] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Enantioselective alpha-deprotonation of achiral epoxides 1, 21, and 26 using organolithiums in the presence of (-)-sparteine 2 and subsequent electrophile trapping gives access to enantioenriched trisubstituted epoxides 9-17, 22, 23, 27 and 28 (in up to 86% ee).
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Affiliation(s)
- David M Hodgson
- Dyson Perrins Laboratory, Department of Chemistry, University of Oxford, South Parks Road, Oxford, UK OX1 3QY.
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