1
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Deng YQ, Yan QQ, Zhang TT, Zhou Y, He CY, Liu QZ. Copper-Catalyzed Asymmetric Allylation of N-Aryl Aldimines. J Org Chem 2024; 89:313-320. [PMID: 38079214 DOI: 10.1021/acs.joc.3c02035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2024]
Abstract
The copper-catalyzed enantioselective allylation reaction of N-aryl aldimines has been developed using a combination of Cu(OAc)2 and SPINOL-based phosphonamidite. This protocol significantly broadens the substrate scope, such that imines bearing various ortho-substituents on the N-aryl were converted smoothly into homoallylic amines in up to 99% yield and 98% ee. Taking advantage of the diversity of the N-aryl motif, three kinds of N-heterocyclic compounds were constructed, respectively, from the corresponding homoallylic amines in merely one step.
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Affiliation(s)
- Yu-Qin Deng
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, No. 1, Shida Road, Nanchong 637002, China
| | - Qi-Qi Yan
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, No. 1, Shida Road, Nanchong 637002, China
| | - Ting-Ting Zhang
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, No. 1, Shida Road, Nanchong 637002, China
| | - Yi Zhou
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, No. 1, Shida Road, Nanchong 637002, China
| | - Cheng-Yu He
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, No. 1, Shida Road, Nanchong 637002, China
| | - Quan-Zhong Liu
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, No. 1, Shida Road, Nanchong 637002, China
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2
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Xu C, Nader P, Xavier J, Captain B, Takenaka N. Evaluation of helicene-derived 2,2'-bipyridine N-monoxide catalyst for the enantioselective propargylation of N-acylhydrazones with allenyltrichlorosilane. Tetrahedron 2023; 141:133496. [PMID: 37790873 PMCID: PMC10545348 DOI: 10.1016/j.tet.2023.133496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
Helicene-derived 2,2'-bipyridine N-monoxide was evaluated as a Lewis base catalyst for the enantioselective propargylation of N-acylhydrazones with allenyltrichlorosilane. The helicene-derived catalyst provided moderate-to-good reactivity and enantioselectivity for a range of acylhydrazones. This study represents the first example of the catalytic asymmetric propargylation of non-activated acylhydrazones.
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Affiliation(s)
- Changgong Xu
- Chemistry Program, Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, 150 West University Boulevard, Melbourne, FL 32901, USA
| | - Phillip Nader
- Chemistry Program, Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, 150 West University Boulevard, Melbourne, FL 32901, USA
| | - Jonathan Xavier
- Chemistry Program, Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, 150 West University Boulevard, Melbourne, FL 32901, USA
| | - Burjor Captain
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, FL 33146-0431, USA
| | - Norito Takenaka
- Chemistry Program, Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, 150 West University Boulevard, Melbourne, FL 32901, USA
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3
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Ray D, Majee S, Yadav RN, Banik BK. Asymmetric Reactions of N-Phosphonyl/Phosphoryl Imines. Molecules 2023; 28:molecules28083524. [PMID: 37110758 PMCID: PMC10143947 DOI: 10.3390/molecules28083524] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/12/2023] [Accepted: 04/14/2023] [Indexed: 04/29/2023] Open
Abstract
The asymmetric reactions of imines continued to attract the attention of the scientific community for decades. However, the stereoselective reactions of N-phosphonyl/phosphoryl imines remained less explored as compared to other N-substituted imines. The chiral auxiliary-based asymmetric-induction strategy with N-phosphonyl imines could effectively generate enantio- and diastereomeric amine, α,β-diamine, and other products through various reactions. On the other hand, the asymmetric approach for the generation of chirality through the utilization of optically active ligands, along with metal catalysts, could be successfully implemented on N-phosphonyl/phosphoryl imines to access numerous synthetically challenging chiral amine scaffolds. The current review critically summarizes and reveals the literature precedence of more than a decade to highlight the major achievements existing to date that can display a clear picture of advancement as well drawbacks in this area.
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Affiliation(s)
- Devalina Ray
- Amity Institute of Biotechnology, Amity University, Sector 125, Noida 201313, UP, India
- Amity Institute of Click Chemistry Research and Studies, Amity University, Sector 125, Noida 201313, UP, India
| | - Suman Majee
- Amity Institute of Biotechnology, Amity University, Sector 125, Noida 201313, UP, India
- Amity Institute of Click Chemistry Research and Studies, Amity University, Sector 125, Noida 201313, UP, India
| | - Ram Naresh Yadav
- Department of Chemistry, Faculty of Engineering and Technology, Veer Bahadur Singh Purvanchal University, Jaunpur 222003, UP, India
| | - Bimal Krishna Banik
- Department of Mathematics and Natural Sciences, College of Sciences and Human Studies, Prince Mohammad Bin Fahd University, Al Khobar 31952, Saudi Arabia
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4
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Bermejo-López A, Kong WJ, Tortajada PJ, Posevins D, Martín-Matute B, Bäckvall JE. Iron-Catalyzed Borylation of Propargylic Acetates for the Synthesis of Multisubstituted Allenylboronates. Chemistry 2023; 29:e202203130. [PMID: 36250587 PMCID: PMC10099795 DOI: 10.1002/chem.202203130] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Indexed: 11/23/2022]
Abstract
A novel iron-catalyzed borylation of propargylic acetates leading to allenylboronates has been developed. The method allows the preparation of a variety of di-, tri- and tetrasubstituted allenylboronates at room temperature with good functional group compatibility. Stereochemical studies show that an anti-SN 2' displacement of acetate by boron occurs; this also allows transfer of chirality to yield enantiomerically enriched allenylboronates. The synthetic utility of this protocol was further substantiated by transformations of the obtained allenylboronates including oxidation and propargylation.
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Affiliation(s)
- Aitor Bermejo-López
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden
| | - Wei-Jun Kong
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden
| | - Pedro J Tortajada
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden
| | - Daniels Posevins
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden
| | - Belén Martín-Matute
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden
| | - Jan-E Bäckvall
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden
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5
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Foster D, Borhanuddin SM, Dorta R. Designing successful monodentate N-heterocyclic carbene ligands for asymmetric metal catalysis. Dalton Trans 2021; 50:17467-17477. [PMID: 34787620 DOI: 10.1039/d1dt02951g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Chiral ligands are of particular importance in asymmetric transition-metal catalysis. Although the development of effective chiral monodentate N-heterocyclic carbenes (NHCs) has been slow, a growing amount of papers have been published in recent years showing their unique efficiency as chiral ancillary ligands. Herein we provide an overview of NHC structures that accomplish high levels of enantioselectivity (≥90% ee) and give guidelines to their use and thoughts on the future of this field.
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Affiliation(s)
- Daven Foster
- Department of Chemistry, School of Molecular Sciences, University of Western Australia, 35 Stirling Highway, 6009 Crawley, Western Australia, Australia.
| | - S M Borhanuddin
- Department of Chemistry, School of Molecular Sciences, University of Western Australia, 35 Stirling Highway, 6009 Crawley, Western Australia, Australia.
| | - Reto Dorta
- Department of Chemistry, School of Molecular Sciences, University of Western Australia, 35 Stirling Highway, 6009 Crawley, Western Australia, Australia.
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6
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Zhang SL, Zhang WW, Li BJ. Ir-Catalyzed Regio- and Enantioselective Hydroalkynylation of Trisubstituted Alkene to Access All-Carbon Quaternary Stereocenters. J Am Chem Soc 2021; 143:9639-9647. [PMID: 34152752 DOI: 10.1021/jacs.1c04493] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The stereoselective construction of all-carbon quaternary stereocenters, especially acyclic ones, represents an important challenge in organic synthesis. In particular, homopropargyl amides with a quaternary stereocenter β to a nitrogen atom are valuable synthetic intermediates, which could be transformed to diverse chiral structures through alkyne transformations. However, highly enantioselective synthetic methods for homopropargyl amides with a β quaternary stereocenter are extremely rare. We report here unprecedented substrate-directed, iridium-catalyzed enantioselective hydroalkynylations of trisubstituted alkenes to form an acyclic all-carbon quaternary stereocenter β to a nitrogen atom. The hydroalkynylation of enamide occurred with unconventional selectivity, favoring the more hindered reaction site. Homopropargyl amides with β-stereocenters were prepared in high regio- and enantioselectivities. Combined experimental and computational studies revealed the origin of the regio- and enantioselectivities.
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Affiliation(s)
- Su-Lei Zhang
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Wen-Wen Zhang
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Bi-Jie Li
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China.,Beijing National Laboratory for Molecular Sciences, Beijing 100190, China
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7
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8
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Cowper NGW, Hesse MJ, Chan KM, Reisman SE. A copper-catalyzed asymmetric oxime propargylation enables the synthesis of the gliovirin tetrahydro-1,2-oxazine core. Chem Sci 2020; 11:11897-11901. [PMID: 34094417 PMCID: PMC8162951 DOI: 10.1039/d0sc04802j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 10/03/2020] [Indexed: 12/30/2022] Open
Abstract
The bicyclic tetrahydro-1,2-oxazine subunit of gliovirin is synthesized through a diastereoselective copper-catalyzed cyclization of an N-hydroxyamino ester. Oxidative elaboration to the fully functionalized bicycle was achieved through a series of mild transformations. Central to this approach was the development of the first catalytic, enantioselective propargylation of an oxime to furnish a key N-hydroyxamino ester intermediate.
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Affiliation(s)
- Nicholas G W Cowper
- The Warren and Katharine Schlinger Laboratory of Chemistry and Chemical Engineering, California Institute of Technology Pasadena CA 91125 USA
| | - Matthew J Hesse
- The Warren and Katharine Schlinger Laboratory of Chemistry and Chemical Engineering, California Institute of Technology Pasadena CA 91125 USA
| | - Katie M Chan
- The Warren and Katharine Schlinger Laboratory of Chemistry and Chemical Engineering, California Institute of Technology Pasadena CA 91125 USA
| | - Sarah E Reisman
- The Warren and Katharine Schlinger Laboratory of Chemistry and Chemical Engineering, California Institute of Technology Pasadena CA 91125 USA
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9
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Kalita SJ, Cheng F, Huang Y. Recent Advances of Applying Boron‐Reagents in Asymmetric Total Syntheses of Natural Products and Bio‐Active Molecules. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000413] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Subarna Jyoti Kalita
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life ScienceWuhan University of Technology Wuhan 430070 People's Republic of China
| | - Feng Cheng
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life ScienceWuhan University of Technology Wuhan 430070 People's Republic of China
| | - Yi‐Yong Huang
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life ScienceWuhan University of Technology Wuhan 430070 People's Republic of China
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10
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Cruz-Delgado B, Rodríguez RI, Rosado-Abón A, Sánchez-Obregón R, Yuste F, Alemán J. Stereocontrolled Addition of Scrambling ortho-Sulfinyl Carbanions: Easy Access to Homopropargylamines and α-Allenylamines. Org Lett 2020; 22:2431-2436. [PMID: 32153194 DOI: 10.1021/acs.orglett.0c00625] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An unprecedented behavior of ortho-sulfinylpropargyl carbanions in the presence of optically active sulfinylimines affords two different families of compounds: this peculiar chemodivergency is importantly affected by the nature of the employed base, and assisted by the configuration of the electrophile, displaying no alteration in the stereocontrol of both reactions. α-Allenylamines are formed exclusively, using R-sulfinyl aldimines as electrophiles, while homopropargylamines result when S-sulfinyl aldimines are employed.
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Affiliation(s)
- Balú Cruz-Delgado
- Instituto de Quı́mica, Universidad Nacional Autónoma de México, Circuito Exterior, Cd. Universitaria, Coyoacán 04510, Mexico City, México
| | - Ricardo I Rodríguez
- Departamento de Quı́mica Orgánica (Modulo-1), Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
| | - Anielka Rosado-Abón
- Instituto de Quı́mica, Universidad Nacional Autónoma de México, Circuito Exterior, Cd. Universitaria, Coyoacán 04510, Mexico City, México
| | - Rubén Sánchez-Obregón
- Instituto de Quı́mica, Universidad Nacional Autónoma de México, Circuito Exterior, Cd. Universitaria, Coyoacán 04510, Mexico City, México
| | - Francisco Yuste
- Instituto de Quı́mica, Universidad Nacional Autónoma de México, Circuito Exterior, Cd. Universitaria, Coyoacán 04510, Mexico City, México
| | - José Alemán
- Departamento de Quı́mica Orgánica (Modulo-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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11
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Manna S, Dherbassy Q, Perry GJP, Procter DJ. Enantio- and Diastereoselective Synthesis of Homopropargyl Amines by Copper-Catalyzed Coupling of Imines, 1,3-Enynes, and Diborons. Angew Chem Int Ed Engl 2020; 59:4879-4882. [PMID: 31917893 PMCID: PMC7383811 DOI: 10.1002/anie.201915191] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Indexed: 12/16/2022]
Abstract
An efficient, enantio- and diastereoselective, copper-catalyzed coupling of imines, 1,3-enynes, and diborons is reported. The process shows broad substrate scope and delivers complex, chiral homopropargyl amines; useful building blocks on the way to biologically-relevant compounds. In particular, functionalized homopropargyl amines bearing up to three contiguous stereocenters can be prepared in a single step.
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Affiliation(s)
- Srimanta Manna
- Department of ChemistryThe University of ManchesterOxford RoadManchesterM13 9PLUK
| | - Quentin Dherbassy
- Department of ChemistryThe University of ManchesterOxford RoadManchesterM13 9PLUK
| | - Gregory J. P. Perry
- Department of ChemistryThe University of ManchesterOxford RoadManchesterM13 9PLUK
| | - David J. Procter
- Department of ChemistryThe University of ManchesterOxford RoadManchesterM13 9PLUK
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12
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Manna S, Dherbassy Q, Perry GJP, Procter DJ. Enantio‐ and Diastereoselective Synthesis of Homopropargyl Amines by Copper‐Catalyzed Coupling of Imines, 1,3‐Enynes, and Diborons. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201915191] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Srimanta Manna
- Department of ChemistryThe University of Manchester Oxford Road Manchester M13 9PL UK
| | - Quentin Dherbassy
- Department of ChemistryThe University of Manchester Oxford Road Manchester M13 9PL UK
| | - Gregory J. P. Perry
- Department of ChemistryThe University of Manchester Oxford Road Manchester M13 9PL UK
| | - David J. Procter
- Department of ChemistryThe University of Manchester Oxford Road Manchester M13 9PL UK
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13
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Némethová I, Vargová D, Mudráková B, Filo J, Šebesta R. Reductive alkylation of imines via asymmetric Cu-catalyzed addition of organozirconium reagents. J Organomet Chem 2020. [DOI: 10.1016/j.jorganchem.2019.121099] [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]
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14
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Budagumpi S, Keri RS, Achar G, Brinda KN. Coinage Metal Complexes of Chiral N‐Heterocyclic Carbene Ligands: Syntheses and Applications in Asymmetric Catalysis. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201900859] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Srinivasa Budagumpi
- Centre for Nano and Material SciencesJain University, Jain Global Campus Bangalore 562112, Karnataka India
| | - Rangappa S. Keri
- Centre for Nano and Material SciencesJain University, Jain Global Campus Bangalore 562112, Karnataka India
| | - Gautam Achar
- Centre for Nano and Material SciencesJain University, Jain Global Campus Bangalore 562112, Karnataka India
| | - K. N. Brinda
- Centre for Nano and Material SciencesJain University, Jain Global Campus Bangalore 562112, Karnataka India
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15
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Yu Z, Meng L, Lin Z. Hydroalkynylation of Enamides Using Iridium or Rhodium Complexes: DFT Study on the Mechanism and Regioselectivity. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00343] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Zhaoyuan Yu
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, People’s Republic of China
| | - Ling Meng
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, People’s Republic of China
| | - Zhenyang Lin
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, People’s Republic of China
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16
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Yu S, Hua R, Fu X, Liu G, Zhang D, Jia S, Qiu H, Hu W. Asymmetric Multicomponent Reactions for Efficient Construction of Homopropargyl Amine Carboxylic Esters. Org Lett 2019; 21:5737-5741. [DOI: 10.1021/acs.orglett.9b02139] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Sifan Yu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Ruyu Hua
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Xiang Fu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Gengxin Liu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Dan Zhang
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Shikun Jia
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Huang Qiu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Wenhao Hu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
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17
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Zhao J, Jonker SJT, Meyer DN, Schulz G, Tran CD, Eriksson L, Szabó KJ. Copper-catalyzed synthesis of allenylboronic acids. Access to sterically encumbered homopropargylic alcohols and amines by propargylboration. Chem Sci 2018; 9:3305-3312. [PMID: 29732108 PMCID: PMC5915797 DOI: 10.1039/c7sc05123a] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 02/17/2018] [Indexed: 12/21/2022] Open
Abstract
Tri- and tetrasubstituted allenylboronic acids were prepared via a new versatile copper-catalyzed methodology. The densely functionalized allenylboronic acids readily undergo propargylboration reactions with ketones and imines without any additives. Catalytic asymmetric propargylborylation of ketones is demonstrated with high stereoselectivity allowing for the synthesis of highly enantioenriched tertiary homopropargyl alcohols. The reaction is suitable for kinetic resolution of racemic allenylboronic acids affording alkynes with adjacent quaternary stereocenters.
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Affiliation(s)
- Jian Zhao
- Department of Organic Chemistry , Stockholm University , SE-106 91 Stockholm , Sweden .
| | - Sybrand J T Jonker
- Department of Organic Chemistry , Stockholm University , SE-106 91 Stockholm , Sweden .
| | - Denise N Meyer
- Department of Organic Chemistry , Stockholm University , SE-106 91 Stockholm , Sweden .
| | - Göran Schulz
- Department of Organic Chemistry , Stockholm University , SE-106 91 Stockholm , Sweden .
| | - C Duc Tran
- Department of Organic Chemistry , Stockholm University , SE-106 91 Stockholm , Sweden .
| | - Lars Eriksson
- Department of Materials and Environmental Chemistry , Stockholm University , SE-106 91 Stockholm , Sweden
| | - Kálmán J Szabó
- Department of Organic Chemistry , Stockholm University , SE-106 91 Stockholm , Sweden .
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18
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Nagae H, Kundu A, Tsurugi H, Mashima K. Propargylic C(sp3)–H Bond Activation for Preparing η3-Propargyl/Allenyl Complexes of Yttrium. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00395] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Haruki Nagae
- Department of Chemistry,
Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Abhinanda Kundu
- Department of Chemistry,
Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Hayato Tsurugi
- Department of Chemistry,
Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Kazushi Mashima
- Department of Chemistry,
Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
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19
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Mszar NW, Mikus MS, Torker S, Haeffner F, Hoveyda AH. Electronically Activated Organoboron Catalysts for Enantioselective Propargyl Addition to Trifluoromethyl Ketones. Angew Chem Int Ed Engl 2017; 56:8736-8741. [PMID: 28560721 DOI: 10.1002/anie.201703844] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 05/15/2017] [Indexed: 11/11/2022]
Abstract
A broadly applicable, practical, scalable, efficient and highly α- and enantioselective method for addition of a silyl-protected propargyl moiety to trifluoromethyl ketones has been developed. Reactions, promoted by 2.0 mol % of a catalyst that is derived in situ from a readily accessible aminophenol compound at ambient temperature, were complete after only 15 minutes at room temperature. The desired tertiary alcohols were isolated in up to 97 % yield and 98.5:1.5 enantiomeric ratio. Alkyl-, alkenyl-, alkynyl-, aryl- or heteroaryl-substituted trifluoromethyl ketones can be used. Utility is highlighted by application to a transformation that is relevant to enantioselective synthesis of BI 653048, a compound active against rheumatoid arthritis.
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Affiliation(s)
- Nicholas W Mszar
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, MA, 02467, USA
| | - Malte S Mikus
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, MA, 02467, USA
| | - Sebastian Torker
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, MA, 02467, USA
| | - Fredrik Haeffner
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, MA, 02467, USA
| | - Amir H Hoveyda
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, MA, 02467, USA
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20
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Mszar NW, Mikus MS, Torker S, Haeffner F, Hoveyda AH. Electronically Activated Organoboron Catalysts for Enantioselective Propargyl Addition to Trifluoromethyl Ketones. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201703844] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Nicholas W. Mszar
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill MA 02467 USA
| | - Malte S. Mikus
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill MA 02467 USA
| | - Sebastian Torker
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill MA 02467 USA
| | - Fredrik Haeffner
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill MA 02467 USA
| | - Amir H. Hoveyda
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill MA 02467 USA
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21
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Pulis AP, Yeung K, Procter DJ. Enantioselective copper catalysed, direct functionalisation of allenes via allyl copper intermediates. Chem Sci 2017; 8:5240-5247. [PMID: 28959423 PMCID: PMC5605774 DOI: 10.1039/c7sc01968h] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 06/01/2017] [Indexed: 11/29/2022] Open
Abstract
We explore the breadth of the copper catalysed functionalisation of allenes, which enables efficient access to enantioenriched, densely functionalised molecules.
The direct functionalisation of allenes under copper catalysis enables efficient access to enantioenriched, densely functionalised molecules. In this review we explore the breadth and depth of a versatile reaction manifold, which involves the element-cupration of allenes to generate allyl copper intermediates that are subsequently coupled with diverse arrays of electrophiles.
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Affiliation(s)
- Alexander P Pulis
- School of Chemistry , University of Manchester , Oxford Rd , Manchester , M13 9PL , UK . ;
| | - Kay Yeung
- School of Chemistry , University of Manchester , Oxford Rd , Manchester , M13 9PL , UK . ;
| | - David J Procter
- School of Chemistry , University of Manchester , Oxford Rd , Manchester , M13 9PL , UK . ;
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22
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Smith MW, Zhou Z, Gao AX, Shimbayashi T, Snyder SA. A 7-Step Formal Asymmetric Total Synthesis of Strictamine via an Asymmetric Propargylation and Metal-Mediated Cyclization. Org Lett 2017; 19:1004-1007. [PMID: 28253628 DOI: 10.1021/acs.orglett.6b03839] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Herein is shown how a novel catalytic asymmetric propargylation of 3,4-dihydro-β-carboline, followed by a designed Au(I)/Ag(I)-mediated 6-endo-dig cyclization, can directly deliver the indolenine-fused methanoquinolizidine core of the akuammiline alkaloid strictamine in its native oxidation state, ultimately achieving a 7-step formal asymmetric total synthesis. Also demonstrated are how the cyclization products can rearrange into vincorine-type skeletons and a further use for the developed propargylation with the first catalytic asymmetric total synthesis of decarbomethoxydihydrogambirtannine.
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Affiliation(s)
- Myles W Smith
- Columbia University , Dept. of Chemistry, 3000 Broadway, New York, New York 10027, United States.,The Scripps Research Institute , Dept. of Chemistry, 130 Scripps Way, Jupiter, Florida 33458, United States
| | - Zhiyao Zhou
- University of Chicago , Dept. of Chemistry, 5735 S. Ellis Avenue, Chicago, Illinois 60637, United States
| | - Alison X Gao
- The Scripps Research Institute , Dept. of Chemistry, 130 Scripps Way, Jupiter, Florida 33458, United States
| | - Takuya Shimbayashi
- University of Chicago , Dept. of Chemistry, 5735 S. Ellis Avenue, Chicago, Illinois 60637, United States
| | - Scott A Snyder
- Columbia University , Dept. of Chemistry, 3000 Broadway, New York, New York 10027, United States.,The Scripps Research Institute , Dept. of Chemistry, 130 Scripps Way, Jupiter, Florida 33458, United States.,University of Chicago , Dept. of Chemistry, 5735 S. Ellis Avenue, Chicago, Illinois 60637, United States
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23
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Huang YQ, Zhao Y, Wang P, Okamura TA, Laforteza BN, Lu Y, Sun WY, Yu JQ. One-pot synthesis of imidazolinium salts via the ring opening of tetrahydrofuran. Dalton Trans 2017; 46:12430-12433. [DOI: 10.1039/c7dt02883k] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
One-pot synthesis of C2-hydroxypropyl-substituted imidazolinium salts, active catalysts for the aza-Diels–Alder reaction, via the ring opening of THF is reported.
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Affiliation(s)
- Yong-Qing Huang
- Coordination Chemistry Institute
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing National Laboratory of Microstructures
- Collaborative Innovation Center of Advanced Microstructures
| | - Yue Zhao
- Coordination Chemistry Institute
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing National Laboratory of Microstructures
- Collaborative Innovation Center of Advanced Microstructures
| | - Peng Wang
- Coordination Chemistry Institute
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing National Laboratory of Microstructures
- Collaborative Innovation Center of Advanced Microstructures
| | - Taka-aki Okamura
- Department of Macromolecular Science
- Graduate School of Science
- Osaka University
- Toyonaka, Osaka 560-0043
- Japan
| | | | - Yi Lu
- Coordination Chemistry Institute
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing National Laboratory of Microstructures
- Collaborative Innovation Center of Advanced Microstructures
| | - Wei-Yin Sun
- Coordination Chemistry Institute
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing National Laboratory of Microstructures
- Collaborative Innovation Center of Advanced Microstructures
| | - Jin-Quan Yu
- Department of Chemistry
- The Scripps Research Institute
- La Jolla
- USA
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24
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Fandrick DR, Hart CA, Okafor IS, Mercadante MA, Sanyal S, Masters JT, Sarvestani M, Fandrick KR, Stockdill JL, Grinberg N, Gonnella N, Lee H, Senanayake CH. Copper-Catalyzed Asymmetric Propargylation of Cyclic Aldimines. Org Lett 2016; 18:6192-6195. [PMID: 27934338 DOI: 10.1021/acs.orglett.6b03253] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The copper-catalyzed asymmetric propargylation of cyclic aldimines is reported. The influence of the imine trimer to inhibit the reaction was identified, and equilibrium constants between the monomer and trimer were determined for general classes of imines. Asymmetric propargylation of a diverse series of N-alkyl and N-aryl aldimines was achieved with good to high asymmetric induction. The utility was demonstrated by a titanium catalyzed hydroamination and reduction to generate the chiral indolizidines (-)-crispine A and (-)-harmicine.
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Affiliation(s)
- Daniel R Fandrick
- Chemical Development and Material and Analytical Sciences, Boehringer-Ingelheim Pharmaceuticals, Inc., 900 Old Ridgebury Road/P.O. Box 368, Ridgefield, Connecticut 06877-0368, United States
| | - Christine A Hart
- Department of Chemistry, Wayne State University , 5101 Cass Avenue, Detroit, Michigan 48202, United States
| | - Ifeanyi S Okafor
- Chemical Development and Material and Analytical Sciences, Boehringer-Ingelheim Pharmaceuticals, Inc., 900 Old Ridgebury Road/P.O. Box 368, Ridgefield, Connecticut 06877-0368, United States
| | - Michael A Mercadante
- Chemical Development and Material and Analytical Sciences, Boehringer-Ingelheim Pharmaceuticals, Inc., 900 Old Ridgebury Road/P.O. Box 368, Ridgefield, Connecticut 06877-0368, United States
| | - Sanjit Sanyal
- Chemical Development and Material and Analytical Sciences, Boehringer-Ingelheim Pharmaceuticals, Inc., 900 Old Ridgebury Road/P.O. Box 368, Ridgefield, Connecticut 06877-0368, United States
| | - James T Masters
- Chemical Development and Material and Analytical Sciences, Boehringer-Ingelheim Pharmaceuticals, Inc., 900 Old Ridgebury Road/P.O. Box 368, Ridgefield, Connecticut 06877-0368, United States
| | - Max Sarvestani
- Chemical Development and Material and Analytical Sciences, Boehringer-Ingelheim Pharmaceuticals, Inc., 900 Old Ridgebury Road/P.O. Box 368, Ridgefield, Connecticut 06877-0368, United States
| | - Keith R Fandrick
- Chemical Development and Material and Analytical Sciences, Boehringer-Ingelheim Pharmaceuticals, Inc., 900 Old Ridgebury Road/P.O. Box 368, Ridgefield, Connecticut 06877-0368, United States
| | - Jennifer L Stockdill
- Department of Chemistry, Wayne State University , 5101 Cass Avenue, Detroit, Michigan 48202, United States
| | - Nelu Grinberg
- Chemical Development and Material and Analytical Sciences, Boehringer-Ingelheim Pharmaceuticals, Inc., 900 Old Ridgebury Road/P.O. Box 368, Ridgefield, Connecticut 06877-0368, United States
| | - Nina Gonnella
- Chemical Development and Material and Analytical Sciences, Boehringer-Ingelheim Pharmaceuticals, Inc., 900 Old Ridgebury Road/P.O. Box 368, Ridgefield, Connecticut 06877-0368, United States
| | - Heewon Lee
- Chemical Development and Material and Analytical Sciences, Boehringer-Ingelheim Pharmaceuticals, Inc., 900 Old Ridgebury Road/P.O. Box 368, Ridgefield, Connecticut 06877-0368, United States
| | - Chris H Senanayake
- Chemical Development and Material and Analytical Sciences, Boehringer-Ingelheim Pharmaceuticals, Inc., 900 Old Ridgebury Road/P.O. Box 368, Ridgefield, Connecticut 06877-0368, United States
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25
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Yeung K, Ruscoe RE, Rae J, Pulis AP, Procter DJ. Enantioselective Generation of Adjacent Stereocenters in a Copper-Catalyzed Three-Component Coupling of Imines, Allenes, and Diboranes. Angew Chem Int Ed Engl 2016; 55:11912-6. [PMID: 27539673 PMCID: PMC5103189 DOI: 10.1002/anie.201606710] [Citation(s) in RCA: 123] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Indexed: 01/06/2023]
Abstract
A highly enantio- and diastereoselective copper-catalyzed three-component coupling affords the first general synthesis of homoallylic amines bearing adjacent stereocenters from achiral starting materials. The method utilizes a commercially available NHC ligand and copper source, operates at ambient temperature, couples readily available simple imines, allenes, and diboranes, and yields high-value homoallylic amines that exhibit versatile amino, alkenyl, and boryl units.
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Affiliation(s)
- Kay Yeung
- School of Chemistry, University of Manchester, Oxford Rd, Manchester, M13 9PL, UK
| | - Rebecca E Ruscoe
- School of Chemistry, University of Manchester, Oxford Rd, Manchester, M13 9PL, UK
| | - James Rae
- School of Chemistry, University of Manchester, Oxford Rd, Manchester, M13 9PL, UK
| | - Alexander P Pulis
- School of Chemistry, University of Manchester, Oxford Rd, Manchester, M13 9PL, UK
| | - David J Procter
- School of Chemistry, University of Manchester, Oxford Rd, Manchester, M13 9PL, UK.
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26
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Yeung K, Ruscoe RE, Rae J, Pulis AP, Procter DJ. Enantioselective Generation of Adjacent Stereocenters in a Copper-Catalyzed Three-Component Coupling of Imines, Allenes, and Diboranes. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201606710] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Kay Yeung
- School of Chemistry; University of Manchester; Oxford Rd Manchester M13 9PL UK
| | - Rebecca E. Ruscoe
- School of Chemistry; University of Manchester; Oxford Rd Manchester M13 9PL UK
| | - James Rae
- School of Chemistry; University of Manchester; Oxford Rd Manchester M13 9PL UK
| | - Alexander P. Pulis
- School of Chemistry; University of Manchester; Oxford Rd Manchester M13 9PL UK
| | - David J. Procter
- School of Chemistry; University of Manchester; Oxford Rd Manchester M13 9PL UK
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27
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Yang Y, Perry IB, Buchwald SL. Copper-Catalyzed Enantioselective Addition of Styrene-Derived Nucleophiles to Imines Enabled by Ligand-Controlled Chemoselective Hydrocupration. J Am Chem Soc 2016; 138:9787-90. [PMID: 27454393 PMCID: PMC5010012 DOI: 10.1021/jacs.6b06299] [Citation(s) in RCA: 91] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The copper-catalyzed intermolecular enantioselective addition of styrenes to imines has been achieved under mild conditions at ambient temperature. This process features the use of styrenes as latent carbanion equivalents via the intermediacy of catalytically generated benzylcopper derivatives, providing an effective means for accessing highly enantiomerically enriched amines bearing contiguous stereocenters. Mechanistic studies shed light on the origin of the preferential styrene hydrocupration in the presence of an imine with the Ph-BPE-derived copper catalyst.
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Affiliation(s)
- Yang Yang
- Department of Chemistry, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
| | - Ian B Perry
- Department of Chemistry, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
| | - Stephen L Buchwald
- Department of Chemistry, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
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28
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A highly practical approach to chiral homoallylic–homopropargylic amines via aza-Barbier reaction. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.03.103] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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29
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Bai XY, Wang ZX, Li BJ. Iridium-Catalyzed Enantioselective Hydroalkynylation of Enamides for the Synthesis of Homopropargyl Amides. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201601792] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Xiao-Yan Bai
- Center of Basic Molecular Science (CBMS), Department of Chemistry; Tsinghua University; Beijing 100084 China
| | - Zi-Xuan Wang
- Center of Basic Molecular Science (CBMS), Department of Chemistry; Tsinghua University; Beijing 100084 China
| | - Bi-Jie Li
- Center of Basic Molecular Science (CBMS), Department of Chemistry; Tsinghua University; Beijing 100084 China
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30
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Bai XY, Wang ZX, Li BJ. Iridium-Catalyzed Enantioselective Hydroalkynylation of Enamides for the Synthesis of Homopropargyl Amides. Angew Chem Int Ed Engl 2016; 55:9007-11. [PMID: 27111577 DOI: 10.1002/anie.201601792] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2016] [Indexed: 02/04/2023]
Abstract
Reported is an iridium-catalyzed asymmetric hydroalkynylation of enamides with terminal alkynes. The reaction occurs regioselectively at the β-position of an enamide to produce homopropargyl amides. Good to high enantioselectivity was observed with an iridium complex ligated by a chiral bis(phosphine) ligand. This method provides a straightforward route to synthesize chiral homopropargyl amides with a stereocenter β to the amide.
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Affiliation(s)
- Xiao-Yan Bai
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Zi-Xuan Wang
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Bi-Jie Li
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing, 100084, China.
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31
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Quinodoz P, Wright K, Drouillat B, David O, Marrot J, Couty F. Synthesis of homopropargylamines from 2-cyanoazetidines. Chem Commun (Camb) 2016; 52:10072-5. [DOI: 10.1039/c6cc05713f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Mild generation of vinylidene carbene from α-amino nitrile is the basis of a new synthesis of homopropargylamines.
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Affiliation(s)
- P. Quinodoz
- Institut Lavoisier de Versailles
- UMR 8180. Université de Versailles St-Quentin-en-Yvelines
- Université Paris-Saclay
- 78035 Versailles Cedex
- France
| | - K. Wright
- Institut Lavoisier de Versailles
- UMR 8180. Université de Versailles St-Quentin-en-Yvelines
- Université Paris-Saclay
- 78035 Versailles Cedex
- France
| | - B. Drouillat
- Institut Lavoisier de Versailles
- UMR 8180. Université de Versailles St-Quentin-en-Yvelines
- Université Paris-Saclay
- 78035 Versailles Cedex
- France
| | - O. David
- Institut Lavoisier de Versailles
- UMR 8180. Université de Versailles St-Quentin-en-Yvelines
- Université Paris-Saclay
- 78035 Versailles Cedex
- France
| | - J. Marrot
- Institut Lavoisier de Versailles
- UMR 8180. Université de Versailles St-Quentin-en-Yvelines
- Université Paris-Saclay
- 78035 Versailles Cedex
- France
| | - F. Couty
- Institut Lavoisier de Versailles
- UMR 8180. Université de Versailles St-Quentin-en-Yvelines
- Université Paris-Saclay
- 78035 Versailles Cedex
- France
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32
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Osborne CA, Endean TBD, Jarvo ER. Silver-Catalyzed Enantioselective Propargylation Reactions of N-Sulfonylketimines. Org Lett 2015; 17:5340-3. [PMID: 26506430 PMCID: PMC4962794 DOI: 10.1021/acs.orglett.5b02692] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
The
enantioselective silver-catalyzed propargylation of N-sulfonylketimines is described. This reaction proceeds
in high yield and excellent enantiomeric ratio and is compatible with
a wide variety of diaryl- and alkylketimines. Synthetic transformations
of homopropargylic products via enyne ring-closing metathesis, Sonogashira
cross-coupling, and reduction reactions proceed with high stereochemical
fidelity. Both allenyl and propargyl borolane reagents can be used
to obtain homopropargylic products, a distribution most consistent
with a mechanism involving transmetalation of the silver catalyst
with the borolane reagent.
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Affiliation(s)
- Charlotte A Osborne
- Department of Chemistry, University of California , Irvine, California 92697, United States
| | - Thomas B D Endean
- Department of Chemistry, University of California , Irvine, California 92697, United States
| | - Elizabeth R Jarvo
- Department of Chemistry, University of California , Irvine, California 92697, United States
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33
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Huang Y, Yang X, Lv Z, Cai C, Kai C, Pei Y, Feng Y. Asymmetric Synthesis of 1,3-Butadienyl-2-carbinols by the Homoallenylboration of Aldehydes with a Chiral Phosphoric Acid Catalyst. Angew Chem Int Ed Engl 2015; 54:7299-302. [DOI: 10.1002/anie.201501832] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2015] [Indexed: 12/19/2022]
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34
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Huang Y, Yang X, Lv Z, Cai C, Kai C, Pei Y, Feng Y. Asymmetric Synthesis of 1,3-Butadienyl-2-carbinols by the Homoallenylboration of Aldehydes with a Chiral Phosphoric Acid Catalyst. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201501832] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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35
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Silverio DL, Fu P, Carswell EL, Snapper ML, Hoveyda AH. N-Substituted tertiary and O-substituted quaternary carbon stereogenic centers by site-, diastereo- and enantioselective vinylogous Mannich reactions. Tetrahedron Lett 2015; 56:3489-3493. [PMID: 28775388 DOI: 10.1016/j.tetlet.2015.04.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
A readily accessible small-molecule phosphine, derived from commercially available starting materials such as an enantiomerically pure amino acid, serves as the precursor to a Ag-based chiral complex that can be prepared and used in situ to promote a variety of enantioselective vinylogous Mannich (EVM) reactions that involve siloxypyrroles as reaction partners. Transformations with unsubstituted nucleophilic components proceed efficiently and with exceptional site- (γ vs α-addition), diastereo- and enantioselectivity [up to 98% yield, generally >98:2 γ/α and diastereomeric ratio (dr) and up to 99:1 enantiomeric ratio (er)]. The first examples of efficient, diastereo- and enantioselective vinylogous Mannich additions with 5-methyl-substituted siloxyfuran, resulting in the formation of O-substituted quaternary carbon stereogenic centers are presented as well. Appreciable efficiency and diastereo- and enantioselectivity (up to >98:2 dr and >99:1 er) is accompanied by formation of α-addition products that can be oxidatively removed.
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Affiliation(s)
- Daniel L Silverio
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, USA
| | - Peng Fu
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, USA
| | - Emma L Carswell
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, USA
| | - Marc L Snapper
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, USA
| | - Amir H Hoveyda
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, USA
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36
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Liepouri F, Bernasconi G, Petasis NA. Component-selective and stereocontrolled one-step three-component reaction among aldehydes, amines, and allenyl boronic acids or allenyl pinacolboronates. Org Lett 2015; 17:1628-31. [PMID: 25790269 DOI: 10.1021/acs.orglett.5b00024] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A one-step, three-component condensation of allenyl boronic acids or allenyl pinacolboronates with amines and aldehydes affords α-allenyl or α-propargyl α-amino acids and anti-β-amino alcohols. This process gives the allenyl or propargyl product depending on the amine and boron components. Secondary amines generate exclusively α-allenyl α-amino acids, while primary aliphatic amines lead to α-propargyl α-amino acids. Secondary aliphatic amines react with chiral α-hydroxy aldehydes and allenyl boron derivatives to form stereoselectively allenyl anti-β-amino alcohol products.
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Affiliation(s)
- Fotini Liepouri
- Department of Chemistry and Loker Hydrocarbon Research Institute, University of Southern California, Los Angeles, California 90089, United States
| | - Giovanni Bernasconi
- Department of Chemistry and Loker Hydrocarbon Research Institute, University of Southern California, Los Angeles, California 90089, United States
| | - Nicos A Petasis
- Department of Chemistry and Loker Hydrocarbon Research Institute, University of Southern California, Los Angeles, California 90089, United States
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37
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An G, Seifert C, Li G. N-Phosphonyl/phosphinyl imines and group-assisted purification (GAP) chemistry/technology. Org Biomol Chem 2015; 13:1600-17. [DOI: 10.1039/c4ob02254h] [Citation(s) in RCA: 78] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Group-assisted purification (GAP) chemistry, which can provide various chiral amines and other functionalities without the use of column chromatography or recrystallization; products are consistently obtained with excellent stereocontrol.
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Affiliation(s)
- Guanghui An
- Institute of Chemistry & BioMedical Sciences
- Nanjing University
- Nanjing 210093
- P. R. China
- Department of Chemistry & Biochemistry
| | - Cole Seifert
- Institute of Chemistry & BioMedical Sciences
- Nanjing University
- Nanjing 210093
- P. R. China
| | - Guigen Li
- Institute of Chemistry & BioMedical Sciences
- Nanjing University
- Nanjing 210093
- P. R. China
- Department of Chemistry & Biochemistry
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38
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Harada A, Makida Y, Sato T, Ohmiya H, Sawamura M. Copper-catalyzed enantioselective allylic alkylation of terminal alkyne pronucleophiles. J Am Chem Soc 2014; 136:13932-9. [PMID: 25215542 DOI: 10.1021/ja5084333] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The copper-catalyzed enantioselective allylic alkylation of terminal alkynes with primary allylic phosphates was developed by the use of a new chiral N-heterocyclic carbene ligand bearing a phenolic hydroxy group at the ortho position of one of the two N-aryl groups. This reaction occurred with excellent γ-branch regioselectivity and high enantioselectivity, forming a controlled stereogenic center at the allylic/propargylic position. Various terminal alkynes, including silyl, aliphatic, and aromatic alkynes, could be used directly without premetalation of the C(sp)-H bond. On the basis of the results of experiments using an isomeric secondary allylic phosphate, which gave a branched product through an α-selective substitution reaction with retention of configuration, a reaction pathway involving 1,3-allylic migration of Cu in a ([σ + π]-allyl)copper(III) species is proposed.
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Affiliation(s)
- Ayumi Harada
- Department of Chemistry, Faculty of Science, Hokkaido University , Sapporo 060-0810, Japan
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39
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Mszar N, Haeffner F, Hoveyda AH. NHC-Cu-catalyzed addition of propargylboron reagents to phosphinoylimines. Enantioselective synthesis of trimethylsilyl-substituted homoallenylamides and application to the synthesis of S-(-)-cyclooroidin. J Am Chem Soc 2014; 136:3362-5. [PMID: 24555471 PMCID: PMC3954525 DOI: 10.1021/ja500373s] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2014] [Indexed: 11/29/2022]
Abstract
A catalytic method for the efficient and enantioselective addition of a 1-trimethylsilyl-substituted allene moiety to phosphinoylimines is presented. Transformations are promoted by 5.0 mol % of a copper complex of an N-heterocyclic carbene in the presence of a propargylboron reagent that can be readily prepared in multigram quantities. Within 10 min of reaction, products are obtained in up to 91% yield, 98% allene (vs propargyl) selectivity, and 98:2 enantiomeric ratio. An assortment of aldimines serve as suitable substrates. The phosphinoyl and silyl groups can be removed efficiently and orthogonally. The silylallene moiety may be transformed to versatile derivatives that are difficult to access via nonsilylated allenes. The special features and utility of the approach are highlighted through a succinct enantioselective synthesis of marine alkaloid S-(-)-cyclooroidin.
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Affiliation(s)
- Nicholas
W. Mszar
- Department
of Chemistry,
Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Fredrik Haeffner
- Department
of Chemistry,
Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Amir H. Hoveyda
- Department
of Chemistry,
Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, United States
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40
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Wu H, Haeffner F, Hoveyda AH. An efficient, practical, and enantioselective method for synthesis of homoallenylamides catalyzed by an aminoalcohol-derived, boron-based catalyst. J Am Chem Soc 2014; 136:3780-3. [PMID: 24588835 PMCID: PMC3985786 DOI: 10.1021/ja500374p] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
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A practical catalytic
method for enantioselective addition
of an allene unit to aldimines is disclosed. Transformations are promoted
by an in-situ-generated B-based catalyst that is derived from a simple,
robust, and readily accessible (in multigram quantities) chiral aminoalcohol.
A range of aryl-, heteroaryl-, and alkyl-substituted homoallenylamides
can be obtained in 66–91% yield and 84:16 to >99:1 enantiomeric
ratio through reactions performed at ambient temperature and in the
presence of 0.1–3.0 mol% of the chiral catalyst and a commercially
available allenylboron reagent. The catalytic protocol does not require
strict anhydrous conditions, can be performed on gram scale, and promotes
highly selective addition of an allenyl unit (vs a propargyl group).
The utility of the approach is demonstrated through development of
succinct approaches to syntheses of anisomycin and epi-cytoxazone.
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Affiliation(s)
- Hao Wu
- Department of Chemistry, Merkert Chemistry Center, Boston College , Chestnut Hill, Massachusetts 02467, United States
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41
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César V, Barthes C, Farré YC, Cuisiat SV, Vacher BY, Brousses R, Lugan N, Lavigne G. Anionic and zwitterionic copper(I) complexes incorporating an anionic N-heterocyclic carbene decorated with a malonate backbone: synthesis, structure and catalytic applications. Dalton Trans 2014; 42:7373-85. [PMID: 23361332 DOI: 10.1039/c3dt32919d] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The anionic malonate-derived N-heterocyclic carbenes (maloNHCs) react cleanly and rapidly with copper chloride to generate the anionic complexes of type [(maloNHC)CuCl]·Li, which crystallize in the solid state either in an oligomeric trimer arrangement or in polymeric helixes depending on the substitution pattern and the solvent. Ten zwitterionic heteroleptic Cu(I) complexes combining the anionic maloNHC and a neutral imidazol-2-ylidene are also obtained in a very selective manner and fully characterized. Whereas the anionic complexes are relatively active catalysts for the hydrosilylation of carbonyl compounds, the zwitterionic complexes reveal to be efficient and extremely robust pre-catalysts for the intramolecular cyclopropanation reaction of a diazo ester and outperform the corresponding cationic Cu(i) complexes with classical imidazol-2-ylidenes.
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Affiliation(s)
- Vincent César
- CNRS, Laboratoire de Chimie de Coordination, 205 route de Narbonne, F-31077 Toulouse Cedex 4, France.
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42
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Gao F, Carr JL, Hoveyda AH. A broadly applicable NHC-Cu-catalyzed approach for efficient, site-, and enantioselective coupling of readily accessible (pinacolato)alkenylboron compounds to allylic phosphates and applications to natural product synthesis. J Am Chem Soc 2014; 136:2149-61. [PMID: 24467274 PMCID: PMC3954459 DOI: 10.1021/ja4126565] [Citation(s) in RCA: 93] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
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A set
of protocols for catalytic enantioselective allylic substitution
(EAS) reactions that allow for additions of alkenyl units to readily
accessible allylic electrophiles is disclosed. Transformations afford
1,4-dienes that contain a tertiary carbon stereogenic site and are
promoted by 1.0–5.0 mol % of a copper complex of an N-heterocyclic carbene (NHC). Aryl- as well as alkyl-substituted
electrophiles bearing a di- or trisubstituted alkene may be employed.
Reactions can involve a variety of robust alkenyl–(pinacolatoboron)
[alkenyl–B(pin)] compounds that can be either purchased or
prepared by various efficient, site-, and/or stereoselective catalytic
reactions, such as cross-metathesis or proto-boryl additions to terminal
alkynes. Vinyl-, E-, or Z-disubstituted
alkenyl-, 1,1-disubstituted alkenyl-, acyclic, or heterocyclic trisubstituted
alkenyl groups may be added in up to >98% yield, >98:2 SN2′:SN2, and 99:1 enantiomeric ratio (er).
NHC–Cu-catalyzed
EAS with alkenyl–B(pin) reagents containing a conjugated carboxylic
ester or aldehyde group proceed to provide the desired 1,4-diene products
in good yield and with high enantioselectivity despite the presence
of a sensitive stereogenic tertiary carbon center that could be considered
prone to epimerization. In most instances, the alternative approach
of utilizing an alkenylmetal reagent (e.g., an Al-based species) represents
an incompatible option. The utility of the approach is illustrated
through applications to enantioselective synthesis of natural products
such as santolina alcohol, semburin, nyasol, heliespirone A, and heliannuol
E.
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Affiliation(s)
- Fang Gao
- Department of Chemistry, Merkert Chemistry Center, Boston College , Chestnut Hill, Massachusetts 02467, United States
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43
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Sathyanarayana A, Prabusankar G. Facile access to imidazole and imidazolium substituted dibenzo-diazocines. NEW J CHEM 2014. [DOI: 10.1039/c4nj00351a] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The C2-symmetrical 2,8- and 4,10-diimidazo methano dibenzo diazocines were synthesized and converted into alkyl imidazolium salts.
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Affiliation(s)
| | - Ganesan Prabusankar
- Department of Chemistry
- Indian Institute of Technology Hyderabad
- Yeddumailaram, India
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44
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Jeong W, Lee JH, Kim J, Lee WJ, Seong JH, Park J, Rhee YH. A Ru-catalyzed one-pot synthesis of homopropargylic amines from alkyl azides under photolytic conditions. RSC Adv 2014. [DOI: 10.1039/c4ra02941k] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A new synthetic method for homopropargylic amines from alkyl azides is presented.
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Affiliation(s)
- Wook Jeong
- Department of Chemistry
- POSTECH (Pohang University of Science and Technology)
- Pohang, Korea
| | - Ji Hyung Lee
- Department of Chemistry
- POSTECH (Pohang University of Science and Technology)
- Pohang, Korea
| | - Jungjoon Kim
- Department of Chemistry
- POSTECH (Pohang University of Science and Technology)
- Pohang, Korea
| | - Won Jong Lee
- Department of Chemistry
- POSTECH (Pohang University of Science and Technology)
- Pohang, Korea
| | - Ju-Hwa Seong
- Department of Chemistry
- POSTECH (Pohang University of Science and Technology)
- Pohang, Korea
| | - Jaiwook Park
- Department of Chemistry
- POSTECH (Pohang University of Science and Technology)
- Pohang, Korea
| | - Young Ho Rhee
- Department of Chemistry
- POSTECH (Pohang University of Science and Technology)
- Pohang, Korea
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45
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Wisniewska HM, Jarvo ER. Enantioselective Propargylation and Allenylation Reactions of Ketones and Imines. J Org Chem 2013; 78:11629-36. [DOI: 10.1021/jo4019107] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Hanna M. Wisniewska
- Department of Chemistry, University of California, Irvine, California 92697-2025, United States
| | - Elizabeth R. Jarvo
- Department of Chemistry, University of California, Irvine, California 92697-2025, United States
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46
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Cui Y, Kobayashi S. Simple Organic Molecules as Catalysts for the Enantioselective Synthesis of Amines and Alcohols. ChemCatChem 2013. [DOI: 10.1002/cctc.201300380] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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47
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Affiliation(s)
- Annette D. Allen
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Thomas T. Tidwell
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
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48
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Hayashi M, Sano M, Funahashi Y, Nakamura S. Cinchona Alkaloid Amide/Copper(II) Catalyzed Diastereo- and Enantioselective Vinylogous Mannich Reaction of Ketimines with Siloxyfurans. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201301917] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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49
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Hayashi M, Sano M, Funahashi Y, Nakamura S. Cinchona Alkaloid Amide/Copper(II) Catalyzed Diastereo- and Enantioselective Vinylogous Mannich Reaction of Ketimines with Siloxyfurans. Angew Chem Int Ed Engl 2013; 52:5557-60. [DOI: 10.1002/anie.201301917] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2013] [Indexed: 11/05/2022]
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50
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Pindi S, Wu J, Li G. Design, synthesis, and applications of chiral N-2-phenyl-2-propyl sulfinyl imines for group-assisted purification (GAP) asymmetric synthesis. J Org Chem 2013; 78:4006-12. [PMID: 23496279 DOI: 10.1021/jo400354r] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
A new chiral (Rs)-2-phenyl-2-propyl sulfinamide has been designed and synthesized; its derived aldimines and ketimines have been applied for asymmetric addition reaction with allylmagnesium bromide. The reaction was conveniently performed at room temperature to give a series of homoallylic amines in high yields (up to quant) and diastereoselectivity (up to >99% de). The pure products were obtained by relying on group-assisted purification (GAP) chemistry to avoid traditional purification methods of column chromatography or recrystallization. The conversion of disulfide to (R(s))-thiosulfinate which contains a newly generated polar group was also confirmed to be of the GAP chemistry in which washing crude product can generate pure enantiomer. The absolute stereochemistry has been determined by X-ray analysis.
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Affiliation(s)
- Suresh Pindi
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas 79409-1061, USA
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