1
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Yang L, Tan D, Fan W, Liu X, Wu J, Huang Z, Li Q, Wang H. Photochemical Radical C–H Halogenation of Benzyl N‐Methyliminodiacetyl (MIDA) Boronates: Synthesis of α‐Functionalized Alkyl Boronates. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202011872] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ling Yang
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
| | - Dong‐Hang Tan
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
| | - Wen‐Xin Fan
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
| | - Xu‐Ge Liu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
| | - Jia‐Qiang Wu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
| | - Zhi‐Shu Huang
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
| | - Qingjiang Li
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
| | - Honggen Wang
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
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2
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Yang L, Tan D, Fan W, Liu X, Wu J, Huang Z, Li Q, Wang H. Photochemical Radical C–H Halogenation of Benzyl N‐Methyliminodiacetyl (MIDA) Boronates: Synthesis of α‐Functionalized Alkyl Boronates. Angew Chem Int Ed Engl 2020; 60:3454-3458. [DOI: 10.1002/anie.202011872] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/12/2020] [Indexed: 01/16/2023]
Affiliation(s)
- Ling Yang
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
| | - Dong‐Hang Tan
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
| | - Wen‐Xin Fan
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
| | - Xu‐Ge Liu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
| | - Jia‐Qiang Wu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
| | - Zhi‐Shu Huang
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
| | - Qingjiang Li
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
| | - Honggen Wang
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
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3
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Ruthenium-catalysed multicomponent synthesis of the 1,3-dienyl-6-oxy polyketide motif. Nat Chem 2020; 12:629-637. [PMID: 32483385 DOI: 10.1038/s41557-020-0464-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Accepted: 04/02/2020] [Indexed: 12/15/2022]
Abstract
Polyketide natural products are an important class of biologically active compounds. Although substantial progress has been made on the synthesis of repetitive polyketide motifs through the iterative application of a single reaction type, synthetic access to more diverse motifs that require more than one type of carbon-carbon bond connection remains a challenge. Here we describe a catalytic, multicomponent method for the synthesis of the privileged polyketide 1,3-dienyl-6-oxy motif. The method allows for the formation of two new carbon-carbon bonds and two stereodefined olefins. It generates products that contain up to three contiguous sp3 stereocentres with a high stereoselectivity in a single operation and can be used to generate chiral products. The successful development of this methodology relies on the remarkable efficiency of the ruthenium-catalysed alkene-alkyne coupling reaction between readily available vinyl boronic acids and alkynes to provide unsymmetrical 3-boryl-1,4-diene reagents. In the presence of carbonyl compounds, these reagents undergo highly diastereoselective allylations to afford the desired 1,3-dienyl-6-oxy motif and enable complex polyketide synthesis in a rapid and asymmetric fashion.
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4
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Gao S, Duan M, Houk KN, Chen M. Chiral Phosphoric Acid Dual‐Function Catalysis: Asymmetric Allylation with α‐Vinyl Allylboron Reagents. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202000039] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Shang Gao
- Department of Chemistry and Biochemistry Auburn University Auburn AL 36849 USA
| | - Meng Duan
- Department of Chemistry and Biochemistry University of California, Los Angeles Los Angeles CA 90095 USA
| | - Kendall N. Houk
- Department of Chemistry and Biochemistry University of California, Los Angeles Los Angeles CA 90095 USA
| | - Ming Chen
- Department of Chemistry and Biochemistry Auburn University Auburn AL 36849 USA
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5
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Gao S, Duan M, Houk KN, Chen M. Chiral Phosphoric Acid Dual‐Function Catalysis: Asymmetric Allylation with α‐Vinyl Allylboron Reagents. Angew Chem Int Ed Engl 2020; 59:10540-10548. [DOI: 10.1002/anie.202000039] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Indexed: 01/09/2023]
Affiliation(s)
- Shang Gao
- Department of Chemistry and Biochemistry Auburn University Auburn AL 36849 USA
| | - Meng Duan
- Department of Chemistry and Biochemistry University of California, Los Angeles Los Angeles CA 90095 USA
| | - Kendall N. Houk
- Department of Chemistry and Biochemistry University of California, Los Angeles Los Angeles CA 90095 USA
| | - Ming Chen
- Department of Chemistry and Biochemistry Auburn University Auburn AL 36849 USA
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6
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Trost BM, Zhang G. Ruthenium-Catalyzed Intermolecular Coupling of Vinylic 1,2-Bisboronates with Alkynes: Stereoselective Access to Boryl-Substituted Homoallylic Alcohols. J Am Chem Soc 2020; 142:7312-7316. [DOI: 10.1021/jacs.0c01755] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Barry M. Trost
- Department of Chemistry, Stanford University, Stanford, California 94035-5080, United States
| | - Guoting Zhang
- Department of Chemistry, Stanford University, Stanford, California 94035-5080, United States
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7
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Huang Q, Michalland J, Zard SZ. Alternating Radical Stabilities: A Convergent Route to Terminal and Internal Boronates. Angew Chem Int Ed Engl 2019; 58:16936-16942. [DOI: 10.1002/anie.201906497] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Qi Huang
- Laboratoire de Synthèse Organique, CNRS UMR 7652Ecole polytechnique Route de Saclay 91128 Palaiseau Cedex France
| | - Jean Michalland
- Laboratoire de Synthèse Organique, CNRS UMR 7652Ecole polytechnique Route de Saclay 91128 Palaiseau Cedex France
| | - Samir Z. Zard
- Laboratoire de Synthèse Organique, CNRS UMR 7652Ecole polytechnique Route de Saclay 91128 Palaiseau Cedex France
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8
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Huang Q, Michalland J, Zard SZ. Alternating Radical Stabilities: A Convergent Route to Terminal and Internal Boronates. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201906497] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Qi Huang
- Laboratoire de Synthèse Organique, CNRS UMR 7652Ecole polytechnique Route de Saclay 91128 Palaiseau Cedex France
| | - Jean Michalland
- Laboratoire de Synthèse Organique, CNRS UMR 7652Ecole polytechnique Route de Saclay 91128 Palaiseau Cedex France
| | - Samir Z. Zard
- Laboratoire de Synthèse Organique, CNRS UMR 7652Ecole polytechnique Route de Saclay 91128 Palaiseau Cedex France
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9
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10
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Weber F, Ballmann M, Kohlmeyer C, Hilt G. Nickel-Catalyzed Double Bond Transposition of Alkenyl Boronates for in Situ syn-Selective Allylboration Reactions. Org Lett 2016; 18:548-51. [DOI: 10.1021/acs.orglett.5b03585] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Felicia Weber
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße
4, D-35043 Marburg, Germany
| | - Monika Ballmann
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße
4, D-35043 Marburg, Germany
| | - Corinna Kohlmeyer
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße
4, D-35043 Marburg, Germany
| | - Gerhard Hilt
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße
4, D-35043 Marburg, Germany
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11
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Macé A, Touchet S, Andres P, Cossío F, Dorcet V, Carreaux F, Carboni B. [3,3]-Sigmatropic Rearrangement/Allylboration/Cyclization Sequence: Enantioenriched Seven-Membered-Ring Carbamates and Ring Contraction to Pyrrolidines. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201509824] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Aurélie Macé
- Institut des Sciences Chimiques de Rennes; UMR 6226 CNRS-Université de Rennes 1; Campus de Beaulieu 35042 Rennes Cedex France
| | - Sabrina Touchet
- Institut des Sciences Chimiques de Rennes; UMR 6226 CNRS-Université de Rennes 1; Campus de Beaulieu 35042 Rennes Cedex France
- AdPueriVitam; Laboratoire BioCIS; Faculté de Pharmacie; Université Paris-Sud; 5 rue J-B Clément 92296 Châtenay-Malabry France
| | - Patricia Andres
- Institut des Sciences Chimiques de Rennes; UMR 6226 CNRS-Université de Rennes 1; Campus de Beaulieu 35042 Rennes Cedex France
- Departamento de Química Orgánica, Facultad de Ciencias; Universidad de Zaragoza; Pedro Cerbuna 12 50009 Zaragoza Spain
| | - Fernando Cossío
- Departamento de Química Orgánica I; Facultad de Química; Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU); Donostia International Physics Center (DIPC); P° Manuel Lardizabal 3 20018 San Sebastián/Donostia Spain
| | - Vincent Dorcet
- Institut des Sciences Chimiques de Rennes; UMR 6226 CNRS-Université de Rennes 1; Campus de Beaulieu 35042 Rennes Cedex France
| | - François Carreaux
- Institut des Sciences Chimiques de Rennes; UMR 6226 CNRS-Université de Rennes 1; Campus de Beaulieu 35042 Rennes Cedex France
| | - Bertrand Carboni
- Institut des Sciences Chimiques de Rennes; UMR 6226 CNRS-Université de Rennes 1; Campus de Beaulieu 35042 Rennes Cedex France
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12
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Macé A, Touchet S, Andres P, Cossío F, Dorcet V, Carreaux F, Carboni B. [3,3]-Sigmatropic Rearrangement/Allylboration/Cyclization Sequence: Enantioenriched Seven-Membered-Ring Carbamates and Ring Contraction to Pyrrolidines. Angew Chem Int Ed Engl 2015; 55:1025-9. [DOI: 10.1002/anie.201509824] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Indexed: 12/25/2022]
Affiliation(s)
- Aurélie Macé
- Institut des Sciences Chimiques de Rennes; UMR 6226 CNRS-Université de Rennes 1; Campus de Beaulieu 35042 Rennes Cedex France
| | - Sabrina Touchet
- Institut des Sciences Chimiques de Rennes; UMR 6226 CNRS-Université de Rennes 1; Campus de Beaulieu 35042 Rennes Cedex France
- AdPueriVitam; Laboratoire BioCIS; Faculté de Pharmacie; Université Paris-Sud; 5 rue J-B Clément 92296 Châtenay-Malabry France
| | - Patricia Andres
- Institut des Sciences Chimiques de Rennes; UMR 6226 CNRS-Université de Rennes 1; Campus de Beaulieu 35042 Rennes Cedex France
- Departamento de Química Orgánica, Facultad de Ciencias; Universidad de Zaragoza; Pedro Cerbuna 12 50009 Zaragoza Spain
| | - Fernando Cossío
- Departamento de Química Orgánica I; Facultad de Química; Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU); Donostia International Physics Center (DIPC); P° Manuel Lardizabal 3 20018 San Sebastián/Donostia Spain
| | - Vincent Dorcet
- Institut des Sciences Chimiques de Rennes; UMR 6226 CNRS-Université de Rennes 1; Campus de Beaulieu 35042 Rennes Cedex France
| | - François Carreaux
- Institut des Sciences Chimiques de Rennes; UMR 6226 CNRS-Université de Rennes 1; Campus de Beaulieu 35042 Rennes Cedex France
| | - Bertrand Carboni
- Institut des Sciences Chimiques de Rennes; UMR 6226 CNRS-Université de Rennes 1; Campus de Beaulieu 35042 Rennes Cedex France
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13
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Weber F, Schmidt A, Röse P, Fischer M, Burghaus O, Hilt G. Double-Bond Isomerization: Highly Reactive Nickel Catalyst Applied in the Synthesis of the Pheromone (9Z,12Z)-Tetradeca-9,12-dienyl Acetate. Org Lett 2015; 17:2952-5. [DOI: 10.1021/acs.orglett.5b01230] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Felicia Weber
- Fachbereich
Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, D-35043 Marburg, Germany
| | - Anastasia Schmidt
- Fachbereich
Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, D-35043 Marburg, Germany
| | - Philipp Röse
- Fachbereich
Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, D-35043 Marburg, Germany
| | - Michel Fischer
- Fachbereich
Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, D-35043 Marburg, Germany
| | - Olaf Burghaus
- Fachbereich
Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, D-35043 Marburg, Germany
| | - Gerhard Hilt
- Fachbereich
Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, D-35043 Marburg, Germany
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14
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Discodermolide. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/b978-0-08-100023-6.00003-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
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15
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Melen RL. Applications of pentafluorophenyl boron reagents in the synthesis of heterocyclic and aromatic compounds. Chem Commun (Camb) 2014; 50:1161-74. [PMID: 24292326 DOI: 10.1039/c3cc48036d] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Recently, main group reagents have attracted a lot of attention in bond-forming reactions in organic synthesis. This article highlights the use of pentafluorophenyl substituted boron reagents in their reactions with C=C and C≡C π-bonds for the synthesis of heterocyclic and aromatic compounds. These cyclisation reactions fall into four general classes although there is some overlap between classes and often combinations of these different types of reactivity are observed in the formation of the final heterocyclic product: (i) 1,2- (and 1,4-) additions of nucleophile and Lewis-acidic boron centre, (ii) 1,1-carboboration, (iii) carbocation rearrangements and (iv) cycloaddition chemistry. In addition, the prospect of using such boron reagents catalytically in the synthesis of aromatic compounds such as oxazoles and dibenzopentalene derivatives is emphasised.
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Affiliation(s)
- Rebecca L Melen
- Department of Chemistry, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada.
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16
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Roseblade SJ, Smilović IG, Časar Z. Study of chemoselective asymmetric hydrogenation of (1-bromo-1-alkenyl)boronic esters with iridium–PˆN complexes. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.02.065] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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17
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Hansmann MM, Melen RL, Rominger F, Hashmi ASK, Stephan DW. Activation of alkynes with B(C₆F₅)₃--boron allylation reagents derived from propargyl esters. J Am Chem Soc 2014; 136:777-82. [PMID: 24354408 DOI: 10.1021/ja4110842] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Novel allyl boron compounds are readily synthesized via rearrangement reactions between Lewis acidic B(C6F5)3 and propargyl esters. These reactions proceed through an initial cyclization followed by ring-opening and concurrent C6F5-group migration. In the absence of disubstitution adjacent to the ester oxygen atom, an allyl boron migration rearrangement leads to formal 1,3-carboboration products. These allyl boron compounds act as allylation reagents with aldehydes introducing both a C3-allyl fragment and a C6F5-unit as a single anti-diastereomer. In these reactions, B(C6F5)3 activates the alkynes, prompting the rearrangement processes and enabling installations of C6F5 and R-groups.
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Affiliation(s)
- Max M Hansmann
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg , Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
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18
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Sepúlveda D, Lu T, Wheeler SE. Performance of DFT methods and origin of stereoselectivity in bipyridine N,N′-dioxide catalyzed allylation and propargylation reactions. Org Biomol Chem 2014; 12:8346-53. [DOI: 10.1039/c4ob01719f] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
It is shown that many DFT methods correctly predict the stereoselectivity of bipyridine N,N′-dioxide catalyzed alkylation reactions despite predicting the incorrect low-lying transition state structures. A novel explanation of the origin of stereoselectivity in these reactions is also provided.
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Affiliation(s)
- Diana Sepúlveda
- Department of Chemistry
- Texas A&M University
- College Station, USA
| | - Tongxiang Lu
- Department of Chemistry
- Texas A&M University
- College Station, USA
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19
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Vahabi R, Frey W, Pietruszka J. Synthesis of Highly-Substituted Enantiomerically Pure Allylboronic Esters and Investigation of Their Stereoselective Addition to Aldehydes. J Org Chem 2013; 78:11549-59. [DOI: 10.1021/jo402130u] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Roza Vahabi
- Institut
für Bioorganische Chemie der Heinrich-Heine Universität Düsseldorf im Forschungszentrum Jülich, Stetternicher Forst, Geb. 15.8, 52426 Jülich, Germany
| | - Wolfgang Frey
- Institut
für Organische Chemie, Universität Stuttgart, Pfaffenwaldring
55, 70569 Stuttgart, Germany
| | - Jörg Pietruszka
- Institut
für Bioorganische Chemie der Heinrich-Heine Universität Düsseldorf im Forschungszentrum Jülich, Stetternicher Forst, Geb. 15.8, 52426 Jülich, Germany
- Institut
für Bio- und Geowissenschaften (IBG-1: Biotechnologie), Forschungszentrum Jülich, 52428 Jülich, Germany
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20
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Kobayashi S, Endo T, Yoshino T, Schneider U, Ueno M. Allylation reactions of aldehydes with allylboronates in aqueous media: unique reactivity and selectivity that are only observed in the presence of water. Chem Asian J 2013; 8:2033-45. [PMID: 23775867 DOI: 10.1002/asia.201300440] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2013] [Indexed: 11/07/2022]
Abstract
Zn(OH)2-catalyzed allylation reactions of aldehydes with allylboronates in aqueous media have been developed. In contrast to conventional allylboration reactions of aldehydes in organic solvents, the α-addition products were obtained exclusively. A catalytic cycle in which the allylzinc species was generated through a B-to-Zn exchange process is proposed and kinetic studies were performed. The key intermediate, an allylzinc species, was detected by HRMS (ESI) analysis and by online continuous MS (ESI) analysis. This analysis revealed that, in aqueous media, the allylzinc species competitively reacted with the aldehydes and water. An investigation of the reactivity and selectivity of the allylzinc species by using several typical allylboronates (6a-6d) clarified several important roles of water in this allylation reaction. The allylation reactions of aldehydes with allylboronic acid 2,2-dimethyl-1,3-propanediol esters proceeded smoothly in the presence of catalytic amounts of Zn(OH)2 and achiral ligand 4d in aqueous media to afford the corresponding syn-adducts in high yields with high diastereoselectivities. In all cases, the α-addition products were obtained and a wide substrate scope was tolerated. Furthermore, this reaction was applied to asymmetric catalysis by using chiral ligand 9. Based on the X-ray structure of the Zn-9 complex, several nonsymmetrical chiral ligands were also found to be effective. This reaction was further applied to catalytic asymmetric alkylallylation, chloroallylation, and alkoxyallylation processes and the synthetic utility of these reactions has been demonstrated.
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Affiliation(s)
- Shū Kobayashi
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
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Abstract
Different reactivities and selectivities are observed in water compared with those in organic solvents. In this article, such three examples are described. While ammonia was known not to react in metal-catalyzed allylic amination, palladium-catalyzed allylic amination using aqueous ammonia proceeded to afford primary amines in high yields. Second, allylboronates reacted with aldehydes in aqueous media to afford α-addition adducts exclusively in high yields with high diastereo- and enantioselectivities using Zn(OH)2with ligands as catalysts. Finally, it was found that catalytic use of In(0) was effective for the reactions of allylboronates with ketones in water.
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Cui Y, Li W, Sato T, Yamashita Y, Kobayashi S. Catalytic Use of Zinc Amide for Transmetalation with Allylboronates: General and Efficient Catalytic Allylation of Carbonyl Compounds, Imines, and Hydrazones. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201201134] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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23
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Macé A, Tripoteau F, Zhao Q, Gayon E, Vrancken E, Campagne JM, Carboni B. Tandem reactions involving 1-silyl-3-boryl-2-alkenes. New access to (Z)-1-fluoro-1-alkenes, allyl fluorides, and diversely α-substituted allylboronates. Org Lett 2013; 15:906-9. [PMID: 23391173 DOI: 10.1021/ol4000263] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The reactions of 1-silyl-3-boryl-2-alkenes with various electrophilic reagents (Selectfluor, N-halosuccinimides, benzhydryl, and propargylic alcohols in the presence of a Lewis acid, N-alkoxycarbonyliminium ion) have been investigated as new routes to α-substituted allylboronates. Further functional transformations, including allylboration, Suzuki coupling, protodeboronation, and cycloisomerization, have been carried out to illustrate the synthetic potential of these γ-borylallylsilanes.
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Affiliation(s)
- Aurélie Macé
- Institut des Sciences Chimiques de Rennes, UMR 6626 CNRS-Université de Rennes 1, Campus de Beaulieu, 35042 Rennes Cedex, France
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24
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Hesse MJ, Butts CP, Willis CL, Aggarwal VK. Diastereodivergent Synthesis of Trisubstituted Alkenes through Protodeboronation of Allylic Boronic Esters: Application to the Synthesis of the Californian Red Scale Beetle Pheromone. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201207312] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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25
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Hesse MJ, Butts CP, Willis CL, Aggarwal VK. Diastereodivergent Synthesis of Trisubstituted Alkenes through Protodeboronation of Allylic Boronic Esters: Application to the Synthesis of the Californian Red Scale Beetle Pheromone. Angew Chem Int Ed Engl 2012; 51:12444-8. [DOI: 10.1002/anie.201207312] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2012] [Indexed: 11/07/2022]
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26
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Berg CA, Eichenauer NC, Pietruszka J. (2R,3R)-1,4-Dimethoxy-1,1,4,4-tetraphenylbutane-2,3-diol: Valuable reagent in the asymmetric synthesis of organoboronates. PURE APPL CHEM 2012. [DOI: 10.1351/pac-con-12-03-04] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Tartrate-derived (2R,3R)-1,4-dimethoxy-1,1,4,4-tetraphenylbutane-2,3-diol has found diverse applications in asymmetric organic synthesis. Among these, its utilization as a protecting group for boronic acids has been investigated extensively. Besides being extraordinarily stable and thus allowing a plethora of transformations, it enables access to various diastereo- and enantiomerically pure organoboron reagents and versatile intermediates in asymmetric synthesis.
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Affiliation(s)
- C. Annette Berg
- 1Institut für Bioorganische Chemie der Heinrich-Heine-Universität Düsseldorf im Forschungszentrum Jülich, Stetternicher Forst, Geb.15.8, 52426 Jülich, Germany
| | - Nils C. Eichenauer
- 1Institut für Bioorganische Chemie der Heinrich-Heine-Universität Düsseldorf im Forschungszentrum Jülich, Stetternicher Forst, Geb.15.8, 52426 Jülich, Germany
| | - Jörg Pietruszka
- 1Institut für Bioorganische Chemie der Heinrich-Heine-Universität Düsseldorf im Forschungszentrum Jülich, Stetternicher Forst, Geb.15.8, 52426 Jülich, Germany
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27
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Vetticatt MJ, Singleton DA. Isotope effects and heavy-atom tunneling in the Roush allylboration of aldehydes. Org Lett 2012; 14:2370-3. [PMID: 22506639 DOI: 10.1021/ol300789a] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Intermolecular (13)C kinetic isotope effects (KIEs) for the Roush allylboration of p-anisaldehyde were determined using a novel approach. The experimental (13)C KIEs fit qualitatively with the expected rate-limiting cyclic transition state, but they are far higher than theoretical predictions based on conventional transition state theory. This discrepancy is attributed to a substantial contribution of heavy-atom tunneling to the reaction, and this is supported by multidimensional tunneling calculations that reproduce the observed KIEs.
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Affiliation(s)
- Mathew J Vetticatt
- Department of Chemistry, Texas A&M University, P.O. Box 30012, College Station, Texas 77842, United States
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28
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Fernández E, Pietruszka J, Frey W. Palladium-Catalyzed Synthesis of Enantiomerically Pure α-Substituted Allylboronic Esters and Their Addition to Aldehydes. J Org Chem 2010; 75:5580-9. [DOI: 10.1021/jo1008959] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Enrique Fernández
- Institut für Bioorganische Chemie der Heinrich-Heine-Universität Düsseldorf im Forschungszentrum Jülich, Stetternicher Forst, Geb. 15.8, 52426 Jülich, Germany
| | - Jörg Pietruszka
- Institut für Bioorganische Chemie der Heinrich-Heine-Universität Düsseldorf im Forschungszentrum Jülich, Stetternicher Forst, Geb. 15.8, 52426 Jülich, Germany
| | - Wolfgang Frey
- Institut für Organische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany
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29
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Chen M, Roush WR. Highly (E)-selective BF(3).Et(2)O-promoted allylboration of chiral nonracemic alpha-substituted allylboronates and analysis of the origin of stereocontrol. Org Lett 2010; 12:2706-9. [PMID: 20476769 PMCID: PMC2891445 DOI: 10.1021/ol1007444] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Delta-methyl-substituted homoallylic alcohols 2 were prepared in 71-88% yield, E:Z >30:1 and 93% to >95% ee via BF(3).Et(2)O-promoted allylboration with alpha-Me-allylboronate 1. The origin of high (E)-selectivity is proposed.
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Affiliation(s)
- Ming Chen
- Department of Chemistry, Scripps Florida, Jupiter, Florida 33458, USA
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30
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Chakrabarti A, Konishi H, Yamaguchi M, Schneider U, Kobayashi S. Indium(I)-Catalyzed Asymmetric Allylation, Crotylation, and α-Chloroallylation of Hydrazones with Rare Constitutional and High Configurational Selectivities. Angew Chem Int Ed Engl 2010. [DOI: 10.1002/ange.200906308] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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31
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Althaus M, Mahmood A, Suárez JR, Thomas SP, Aggarwal VK. Application of the Lithiation−Borylation Reaction to the Preparation of Enantioenriched Allylic Boron Reagents and Subsequent In Situ Conversion into 1,2,4-Trisubstituted Homoallylic Alcohols with Complete Control over All Elements of Stereochemistry. J Am Chem Soc 2010; 132:4025-8. [DOI: 10.1021/ja910593w] [Citation(s) in RCA: 144] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Martin Althaus
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, U.K
| | - Adeem Mahmood
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, U.K
| | - José Ramón Suárez
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, U.K
| | - Stephen P. Thomas
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, U.K
| | - Varinder K. Aggarwal
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, U.K
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32
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Chakrabarti A, Konishi H, Yamaguchi M, Schneider U, Kobayashi S. Indium(I)-Catalyzed Asymmetric Allylation, Crotylation, and α-Chloroallylation of Hydrazones with Rare Constitutional and High Configurational Selectivities. Angew Chem Int Ed Engl 2010; 49:1838-41. [DOI: 10.1002/anie.200906308] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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33
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Kobayashi S, Endo T, Schneider U, Ueno M. Aldehyde allylation with allylboronates providing α-addition products. Chem Commun (Camb) 2010; 46:1260-2. [DOI: 10.1039/b924527h] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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34
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Pietruszka J, Schöne N, Frey W, Grundl L. Diastereo- and Enantiomerically Pure Allylboronates: Their Synthesis and Scope. Chemistry 2008; 14:5178-97. [DOI: 10.1002/chem.200800034] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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35
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36
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Kobayashi S, Konishi H, Schneider U. Indium(i) iodide-catalyzed regio- and diastereoselective formal α-addition of an α-methylallylboronate to N-acylhydrazones. Chem Commun (Camb) 2008:2313-5. [DOI: 10.1039/b802153h] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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37
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Possémé F, Deligny M, Carreaux F, Carboni B. (E)-α-Substituted γ-Alkoxyallylboronic Esters as New Reagents: Synthesis and Reactivity toward Aldehydes. J Org Chem 2007; 72:984-9. [PMID: 17253820 DOI: 10.1021/jo0622330] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We have developed a synthesis of new allylboration reagents based on an allylic rearrangement. This approach led to the alpha-substituted gamma-alkoxyallylboronates 2 with a high stereoselectivity in favor of the E-isomer, independent of the organometallic used. We have also studied the reactivity of these reagents toward aldehydes, showing that the allylboration reaction occurs with an excellent diastereoselectivity to give the anti-diol derivatives 5. Moreover, the sequence can be carried out in a "one-pot" procedure avoiding the purification of allylboronates.
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Affiliation(s)
- Françoise Possémé
- Sciences Chimiques de Rennes, UMR 6226 CNRS-Université de Rennes 1, Campus de Beaulieu, 35042 Rennes Cedex, France
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Bazán-Tejeda B, Bluet G, Broustal G, Campagne JM. α,β-Unsaturated δ-Lactones from Copper-Catalyzed Asymmetric Vinylogous Mukaiyama Reactions of Aldehydes: Scope and Mechanistic Insights. Chemistry 2006; 12:8358-66. [PMID: 16933344 DOI: 10.1002/chem.200600335] [Citation(s) in RCA: 71] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
A direct regio-, diastereo-, and enantiocontrolled access to alpha,beta-unsaturated delta-lactones is described, based on the reaction of a silyl dienolate and an aldehyde in the presence of 10 % of Carreira's catalyst. The scope and limitations of this reaction, as well as mechanistic insights concerning the reactivity of an allyl copper species, are discussed.
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Affiliation(s)
- Belén Bazán-Tejeda
- Institut de Chimie des Substances Naturelles, CNRS, Avenue de la Terrasse, 91198 Gif-sur-Yvette, France
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39
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Carosi L, Lachance H, Hall DG. Additions of functionalized α-substituted allylboronates to aldehydes under the novel Lewis and Brønsted acid catalyzed manifolds. Tetrahedron Lett 2005. [DOI: 10.1016/j.tetlet.2005.10.115] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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40
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Pietruszka J, Schöne N. New 1,3-Disubstituted Enantiomerically Pure Allylboronic Esters by Johnson Rearrangement of Boron-Substituted Allyl Alcohols. European J Org Chem 2004. [DOI: 10.1002/ejoc.200400572] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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41
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Gung BW, Xue X, Roush WR. The origin of diastereofacial control in allylboration reactions using tartrate ester derived allylboronates: attractive interactions between the Lewis acid coordinated aldehyde carbonyl group and an ester carbonyl oxygen. J Am Chem Soc 2002; 124:10692-7. [PMID: 12207523 DOI: 10.1021/ja026373c] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Transition-state structures for the allylboration reaction between the tartrate ester and tartramide modified allylboronates and acetaldehyde are located at the B3LYP/6-31G* level of theory. An attractive interaction between the boron-activated aldehyde and the ester or amide carbonyl oxygen lone pair is found to play a major role in the favored transition states 11a and 13. This attractive interaction appears to be electrostatic in origin. However, an n --> pi* charge-transfer type of interaction has not been ruled out. The distance (2.77 A) between the aldehydic hydrogen and the carbonyl oxygen in transition state 13 is beyond the sum of van der Waals radii. The formyl C-H...O bond angle (109 degrees) in this transition structure deviates far from linearity. Therefore, hydrogen-bonding interactions between the formyl C-H and the amide carbonyl oxygen are considered negligible. The distance (3.81 A) between the aldehydic oxygen and the amide carbonyl oxygen in the diastereomeric, disfavored transition state 14 is also beyond the van der Waals radii, which suggests that n/n electronic repulsion plays a lesser role in stereodifferentiation in the allylboration reaction than originally proposed.
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Affiliation(s)
- Benjamin W Gung
- Department of Chemistry and Biochemistry, Miami University, Oxford, OH 45056, USA.
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42
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43
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Application of 1,2:5,6-di-O-cyclohexylidene-d-mannitol as the chiral director in Matteson’s asymmetric homologation. J Organomet Chem 1999. [DOI: 10.1016/s0022-328x(99)00066-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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44
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A tripartite asymmetric allylboration ? Silicon tethered alkene ring closing metathesis ? in situ ring opening protocol for the regiospecific generation of functionalized (E)-disubstituted homoallylic alcohols. Tetrahedron 1999. [DOI: 10.1016/s0040-4020(98)01135-1] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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45
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Hu S, Jayaraman S, Oehlschlager AC. Diastereo- and Enantioselective Synthesis of syn-alpha-Vinylchlorohydrins and cis-Vinylepoxides. J Org Chem 1996; 61:7513-7520. [PMID: 11667682 DOI: 10.1021/jo960875p] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A new method to generate chiral syn-vinylchlorohydrins and cis-vinyloxiranes is reported. Reaction of (alpha-haloallyl)lithiums with methoxy-9-BBN or Ipc(2)BOMe followed by treatment with BF(3).OEt(2) leads to (Z)-(gamma-haloallyl)boranes which react with aldehydes to yield cis-vinylepoxides (de >/= 90%) upon oxidative workup. Alternatively, addition of ethanolamine to the allylboration product yields syn-alpha-halohydrins (de >/= 90%) that are also easily cyclized to cis-vinylepoxides. Extension of this protocol using [(Z)-gamma-chloroallyl]BIpc(2) leads to chiral syn-alpha-chlorohydrins and cis-vinylepoxides in high de (>/=90%) and ee (90-99%). Enantioselectivity of reactions of chiral (Z)-(gamma-chloroallyl)boranes with aldehydes are more sensitive to reaction conditions than enantioselectivity of reactions of other alpha-or gamma-substituted allylboranes. The effects of proportion of BF(3).OEt(2) and the relative efficacies of LiNR(2) bases on diastereo- and enantioselectivity of the chloroallylation are reported.
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Affiliation(s)
- Shaojing Hu
- Department of Chemistry, Simon Fraser University, Burnaby, B.C, Canada, V5A 1S6
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46
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Barrett AGM, Beall JC, Gibson VC, Giles MR, Walker GLP. Tandem asymmetric allylboration–alkene metathesis: a novel strategy for the synthesis of trans-disubstituted homoallylic alcohols. Chem Commun (Camb) 1996. [DOI: 10.1039/cc9960002229] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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47
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48
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Matteson DS. Asymmetric Synthesis via (α-Haloalkyl)boronic Esters. REACTIVITY AND STRUCTURE CONCEPTS IN ORGANIC CHEMISTRY 1995. [DOI: 10.1007/978-3-642-79709-5_5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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49
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50
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Hoffmann RW, Schlapbach A. Stereoselective synthesis of alcohols, XLI. Chirality transfer to generate quaternary stereogenic centers by an allylboration reaction. ACTA ACUST UNITED AC 1991. [DOI: 10.1002/jlac.1991199101205] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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