1
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Alexeev MS, Strelkova TV, Ilyin MM, Nelyubina YV, Bespalov IA, Medvedev MG, Khrustalev VN, Kuznetsov NY. Amine adducts of triallylborane as highly reactive allylborating agents for Cu(I)-catalyzed allylation of chiral sulfinylimines. Org Biomol Chem 2024; 22:4680-4696. [PMID: 38716901 DOI: 10.1039/d4ob00291a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
The implementation of selective catalytic processes with highly active reagents is an attractive strategy that meets the modern principles of sustainable development of chemistry. In the current study, we for the first time describe the method and general principles of Cu(I)-catalyzed allylation of imines with amine adducts of allylic triorganoboranes. Triallylborane is an extremely reactive compound and cannot be used for the catalytic allylation of imines, whereas its amine adducts are ideal substrates for catalysis. The structure of the amine fragment successfully balances the safety, selectivity and stability of the allylboron reagent, allowing it to demonstrate high activity in catalytic allylation reactions, exceeding many times any known allylboranes. The obtained results are supported by quantitative kinetics data and DFT calculations. The catalytic efficacy of the system was demonstrated on model sulfinylimines (23 examples). High diastereoselectivity up to >99% was achieved, including for the gram-scale synthesis of 2-hydroxyphenyl-derivatives. Taking into account the high reactivity and unsurpassed atom-economy of amine adducts of triallylborane (AAT), they can be considered as prospective allylation reagents with Cu(I) and other appropriate metallocatalysts.
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Affiliation(s)
- Michael S Alexeev
- A.N. Nesmeyanov Institute of Organoelement compounds, Russian Academy of Sciences, Vavilov st. 28, 119991 Moscow, Russian Federation.
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninsky Prospect 29, 119991 Moscow, Russian Federation
| | - Tatiana V Strelkova
- A.N. Nesmeyanov Institute of Organoelement compounds, Russian Academy of Sciences, Vavilov st. 28, 119991 Moscow, Russian Federation.
| | - Michael M Ilyin
- A.N. Nesmeyanov Institute of Organoelement compounds, Russian Academy of Sciences, Vavilov st. 28, 119991 Moscow, Russian Federation.
| | - Yulia V Nelyubina
- A.N. Nesmeyanov Institute of Organoelement compounds, Russian Academy of Sciences, Vavilov st. 28, 119991 Moscow, Russian Federation.
| | - Ivan A Bespalov
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 29, 119991 Moscow, Russian Federation
- Lomonosov Moscow State University, Leninskie Gory 1 (3), Moscow, 119991, Russian Federation
| | - Michael G Medvedev
- A.N. Nesmeyanov Institute of Organoelement compounds, Russian Academy of Sciences, Vavilov st. 28, 119991 Moscow, Russian Federation.
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 29, 119991 Moscow, Russian Federation
| | - Victor N Khrustalev
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 29, 119991 Moscow, Russian Federation
- Peoples Friendship University of Russia, Miklukho-Maklay st. 6, 117198 Moscow, Russian Federation
| | - Nikolai Yu Kuznetsov
- A.N. Nesmeyanov Institute of Organoelement compounds, Russian Academy of Sciences, Vavilov st. 28, 119991 Moscow, Russian Federation.
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninsky Prospect 29, 119991 Moscow, Russian Federation
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2
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Fornwald RM, Yadav A, Montero Bastidas JR, Smith MR, Maleczka RE. Simple and Green Preparation of Tetraalkoxydiborons and Diboron Diolates from Tetrahydroxydiboron. J Org Chem 2024; 89:6048-6052. [PMID: 38640193 PMCID: PMC11077490 DOI: 10.1021/acs.joc.3c02992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 03/27/2024] [Accepted: 04/05/2024] [Indexed: 04/21/2024]
Abstract
Tetraalkoxydiborons can be easily prepared by acid-catalyzed reactions of tetrahydroxydiboron or its anhydride with trialkyl orthoformates. Addition of diols to these reaction mixtures afforded diboron diolates in high yield. In both cases, removal of volatile byproducts is all that is required for the isolation of the diboron. These methods constitute a convenient alternative to previous preparations from tetrakis (dimethylamino) diboron and tetrahydroxydiboron.
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Affiliation(s)
| | | | - Jose R. Montero Bastidas
- Department of Chemistry, Michigan State University, 578 South Shaw Lane, East
Lansing, Michigan 48824, United States
| | - Milton R. Smith
- 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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Wang L, Lin C, Chong Q, Zhang Z, Meng F. Photoredox cobalt-catalyzed regio-, diastereo- and enantioselective propargylation of aldehydes via propargyl radicals. Nat Commun 2023; 14:4825. [PMID: 37563134 PMCID: PMC10415309 DOI: 10.1038/s41467-023-40488-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 07/26/2023] [Indexed: 08/12/2023] Open
Abstract
Catalytic enantioselective introduction of a propargyl group constitutes one of the most important carbon-carbon forming reactions, as it is versatile to be transformed into diverse functional groups and frequently used in the synthesis of natural products and biologically active molecules. Stereoconvergent transformations of racemic propargyl precursors to a single enantiomer of products via propargyl radicals represent a powerful strategy and provide new reactivity. However, only few Cu- or Ni-catalyzed protocols have been developed with limited reaction modes. Herein, a photoredox/cobalt-catalyzed regio-, diastereo- and enantioselective propargyl addition to aldehydes via propargyl radicals is presented, enabling construction of a broad scope of homopropargyl alcohols that are otherwise difficult to access in high efficiency and stereoselectivity from racemic propargyl carbonates. Mechanistic studies and DFT calculations provided evidence for the involvement of propargyl radicals, the origin of the stereoconvergent process and the stereochemical models.
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Affiliation(s)
- Lei Wang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, 345 Lingling Road, 200032, Shanghai, China
| | - Chuiyi Lin
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, 345 Lingling Road, 200032, Shanghai, China
| | - Qinglei Chong
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, 345 Lingling Road, 200032, Shanghai, China.
| | - Zhihan Zhang
- CCNU-uOttawa Joint Research Center, Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Louyu Road, Wuhan, 430079, Hubei, China.
| | - Fanke Meng
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, 345 Lingling Road, 200032, Shanghai, China.
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, China.
- School of Chemistry and Materials Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, 1 Sub-lane Xiangshan, 310024, Hangzhou, China.
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4
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Boni YT, Vaitla J, Davies HML. Catalyst Controlled Site- and Stereoselective Rhodium(II) Carbene C(sp 3)-H Functionalization of Allyl Boronates. Org Lett 2023; 25:5-10. [PMID: 36563330 DOI: 10.1021/acs.orglett.2c03335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Rhodium(II) catalyst-controlled site- and stereoselective carbene insertion into the distal allylic C(sp3)-H bond of allyl boronates is reported. The optimum chiral catalyst for this reaction is Rh2(S-TPPTTL)4. The fidelity and asymmetric induction of this catalytic transformation allows for a highly diastereoselective and enantioselective C-C bond formation without interference from the allyl boronate functionality. The resulting functionalized allyl boronates are susceptible to stereoselective allylations, generating products with control of stereochemistry at four contiguous stereogenic centers.
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Affiliation(s)
- Yannick T Boni
- Emory University, Department of Chemistry, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Janakiram Vaitla
- Emory University, Department of Chemistry, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Huw M L Davies
- Emory University, Department of Chemistry, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
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Yuan J, Jain P, Antilla JC. Chiral Phosphoric Acid-Catalyzed Enantio- and Diastereoselective Allylboration of Aldehydes with β,γ-Substituted Allylboronates. J Org Chem 2022; 87:8256-8266. [PMID: 35657081 DOI: 10.1021/acs.joc.2c00764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The catalytic asymmetric addition of β,γ-substituted allylboronates to aldehydes has been described. Promoted by 5 mol % chiral phosphoric acid, the reactions were broadly applicable, scalable, and efficient, allowing for the formation of 3,4-anti/syn-homoallylic alcohols bearing adjacent tertiary or quaternary stereogenic centers in a highly enantio- and diastereoselective manner (≤99% ee and dr >20:1). The rigid chairlike transition state involving the chiral phosphoric acid contributed to the highly controlled reaction.
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Affiliation(s)
- Jinping Yuan
- Institute for Molecular Design and Synthesis, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Pankaj Jain
- Novartis Institutes for BioMedical Research, Cambridge, Massachusetts 02139, United States
| | - Jon C Antilla
- Institute for Molecular Design and Synthesis, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China.,School of Science, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, P. R. China
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6
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Li K, Sun X, Zhao S, Li T, Zha Z, Wang Z. Zn-Catalyzed enantioselective allylation and allenylation of isatins by virtue of a proline-derived chiral ligand. Chem Commun (Camb) 2022; 58:2156-2159. [PMID: 35060568 DOI: 10.1039/d1cc06563g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
An asymmetric allylation and allenylation of isatins with facile organoboron reagents was developed under the catalysis of a Lewis acid. A series of optically pure 3-allyl-3-hydroxyoxindoles and 3-allenyl-3-hydroxyoxindoles can be obtained in excellent yields (up to 99% yield) and high enantioselectivities (up to 97% ee). The possible transition state was supported by DFT calculation and the corresponding mechanism was proposed. A gram scale experiment and further functionalization of these chiral 3-hydroxyoxindoles are established.
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Affiliation(s)
- Kuiliang Li
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science in University of Science and Technology of China, Hefei, 230026, P. R. China.
| | - Xiang Sun
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science in University of Science and Technology of China, Hefei, 230026, P. R. China.
| | - Shuangshuang Zhao
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science in University of Science and Technology of China, Hefei, 230026, P. R. China.
| | - Tong Li
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science in University of Science and Technology of China, Hefei, 230026, P. R. China.
| | - Zhenggen Zha
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science in University of Science and Technology of China, Hefei, 230026, P. R. China.
| | - Zhiyong Wang
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science in University of Science and Technology of China, Hefei, 230026, P. R. China.
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7
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Enantiocontrol over Acyclic Quaternary Stereocenters by Acylative Organocatalyzed Kinetic Resolution. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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8
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del Corte X, Martínez de Marigorta E, Palacios F, Vicario J, Maestro A. An overview of the applications of chiral phosphoric acid organocatalysts in enantioselective additions to CO and CN bonds. Org Chem Front 2022. [DOI: 10.1039/d2qo01209j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Since 2004, chiral phosphoric acids (CPAs) have emerged as highyl efficient organocatalysts, providing excellent results in a wide reaction scope. In this review, the applications of CPA for enantioselective additions to CO and CN bonds are covered.
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Affiliation(s)
- Xabier del Corte
- Department of Organic Chemistry I, Faculty of Pharmacy, University of the Basque Country, UPV/EHU, Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
| | - Edorta Martínez de Marigorta
- Department of Organic Chemistry I, Faculty of Pharmacy, University of the Basque Country, UPV/EHU, Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
| | - Francisco Palacios
- Department of Organic Chemistry I, Faculty of Pharmacy, University of the Basque Country, UPV/EHU, Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
| | - Javier Vicario
- Department of Organic Chemistry I, Faculty of Pharmacy, University of the Basque Country, UPV/EHU, Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
| | - Aitor Maestro
- Department of Organic Chemistry I, Faculty of Pharmacy, University of the Basque Country, UPV/EHU, Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
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9
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Wang L, Wang L, Li M, Chong Q, Meng F. Cobalt-Catalyzed Diastereo- and Enantioselective Reductive Allyl Additions to Aldehydes with Allylic Alcohol Derivatives via Allyl Radical Intermediates. J Am Chem Soc 2021; 143:12755-12765. [PMID: 34352174 DOI: 10.1021/jacs.1c05690] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Catalytic generation of ambiphilic π-allyl-metal complexes and their utility in enantioselective transformations constitutes a powerful approach for introduction of allyl groups to a molecule. Herein an unprecedented cobalt-catalyzed highly site-, diastereo-, and enantioselective protocol for stereoselective formation of nucleophilic allyl-Co(II) complexes followed by addition to aldehydes is presented. The reaction features diastereo- and enantioconvergent conversion of easily accessible allylic alcohol derivatives to diversified enantioenriched homoallylic alcohols with a remarkably broad scope of allyl groups that can be introduced. Mechanistic studies indicated that allyl radical intermediates were involved in this process. These new discoveries establish a new strategy for development of enantioselective transformations through capture of radicals by chiral Co complexes, pushing forward the frontier of Co complexes for enantioselective catalysis.
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Affiliation(s)
- Lei Wang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Lifan Wang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Mingxia Li
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Qinglei Chong
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Fanke Meng
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
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10
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Garnes‐Portolés F, Miguélez R, Grayson MN, Barrio P. ω‐Alkenylallylboronates: Design, Synthesis, and Application to the Asymmetric Allylation/RCM Tandem Sequence. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100528] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | - Rubén Miguélez
- Departmento de Química Orgánica e Inorgánica Universidad de Oviedo Avenida Julian Clavería 8 33006 Oviedo Spain
| | - Matthew N. Grayson
- Department of Chemistry University of Bath Claverton Down Bath BA2 7AY UK
| | - Pablo Barrio
- Departmento de Química Orgánica Universidad de Valencia 46100 Burjassot Spain
- Departmento de Química Orgánica e Inorgánica Universidad de Oviedo Avenida Julian Clavería 8 33006 Oviedo Spain
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11
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Liu J, Chen M. Enantioselective anti- and syn-(Borylmethyl)allylation of Aldehydes via Brønsted Acid Catalysis. Org Lett 2020; 22:8967-8972. [PMID: 33125249 DOI: 10.1021/acs.orglett.0c03366] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The enantioselective anti- and syn-(borylmethyl)allylation of aldehydes via phosphoric acid catalysis is reported. Both (E)- and (Z)-γ-borylmethyl allylboronate reagents were prepared via the Cu-catalyzed highly stereoselective protoboration of 1,3-dienylboronate. Chiral phosphoric acid-catalyzed aldehyde allylation with either the (E)- or (Z)-allylboron reagent provided 1,2-anti- or 1,2-syn-adducts in good yields with high enantioselectivities. The application to the synthesis of morinol D was accomplished.
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Affiliation(s)
- Jiaming Liu
- Department of Chemistry and Biochemistry, Auburn University, Auburn, Alabama 36849, United States
| | - Ming Chen
- Department of Chemistry and Biochemistry, Auburn University, Auburn, Alabama 36849, United States
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