1
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Zhu J, Li Z, Li J, Tian D, Xu R, Tan Z, Chen Z, Tang W. Enantioselective rhodium-catalyzed addition of arylboronic acids to N-heteroaryl ketones: synthesis of α-hydroxy acids. Chem Sci 2023; 14:1606-1612. [PMID: 36794198 PMCID: PMC9906643 DOI: 10.1039/d2sc05907j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 01/11/2023] [Indexed: 01/14/2023] Open
Abstract
The enantioselective addition of arylboronic acids to N-heteroaryl ketones provides a convenient access to chiral α-heteroaryl tertiary alcohols, yet addition reactions of this type have been challenging due to catalyst deactivation. In this report, an efficient rhodium-catalyzed addition of arylboronic acids to N-heteroaryl ketones is established, affording a variety of valuable α-heteroaryl alcohols with excellent functional group compatibility. The employment of the WingPhos ligand containing two anthryl groups is crucial for this transformation. In particular, a range of chiral benzoxazolyl-substituted tertiary alcohols were formed with excellent ee values and yields by employing a Rh loading as low as 0.3 mol%, which can serve as a practical protocol to furnish a series of chiral α-hydroxy acids after hydrolysis.
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Affiliation(s)
- Jinbin Zhu
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University Ganzhou 341000 China
| | - Zhenyue Li
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University Ganzhou 341000 China
| | - Jiaqi Li
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University Ganzhou 341000 China
| | - Duanshuai Tian
- State Key Laboratory of Bio-Organic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences 345 Ling Ling Rd Shanghai 200032 China
| | - Ronghua Xu
- State Key Laboratory of Bio-Organic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences 345 Ling Ling Rd Shanghai 200032 China
| | - Zhiyong Tan
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University Ganzhou 341000 China
| | - Zhengwang Chen
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University Ganzhou 341000 China
| | - Wenjun Tang
- State Key Laboratory of Bio-Organic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences 345 Ling Ling Rd Shanghai 200032 China
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2
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Jung WO, Mai BK, Spinello BJ, Dubey ZJ, Kim SW, Stivala CE, Zbieg JR, Liu P, Krische MJ. Enantioselective Iridium-Catalyzed Allylation of Nitroalkanes: Entry to β-Stereogenic α-Quaternary Primary Amines. J Am Chem Soc 2021; 143:9343-9349. [PMID: 34152145 PMCID: PMC8284932 DOI: 10.1021/jacs.1c05212] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The first systematic study of simple nitronate nucleophiles in iridium-catalyzed allylic alkylation is described. Using a tol-BINAP-modified π-allyliridium C,O-benzoate catalyst, α,α-disubstituted nitronates substitute racemic branched alkyl-substituted allylic acetates, thus providing entry to β-stereogenic α-quaternary primary amines. DFT calculations reveal early transition states that render the reaction less sensitive to steric effects and distinct trans-effects of diastereomeric chiral-at-iridium π-allyl complexes that facilitate formation of congested tertiary-quaternary C-C bonds.
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Affiliation(s)
- Woo-Ok Jung
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Binh Khanh Mai
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Brian J Spinello
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Zachary J Dubey
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Seung Wook Kim
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Craig E Stivala
- Discovery Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Jason R Zbieg
- Discovery Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Michael J Krische
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
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3
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Blay G, Castilla A, Sanz D, Sanz-Marco A, Vila C, Muñoz MC, Pedro JR. Enantioselective zinc-mediated conjugate alkynylation of saccharin-derived 1- aza-butadienes. Chem Commun (Camb) 2020; 56:9461-9464. [DOI: 10.1039/d0cc04221h] [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
Diethylzinc and a bis(hydroxyl)malonamide ligand allow the first conjugate alkynylation of α,β-unsaturated imines. Excellent enatioselectivities are obtained with aliphatic alkynes.
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Affiliation(s)
- Gonzalo Blay
- Departament de Química Orgànica
- Facultat de Química, Universitat de València
- 46100 Burjassot
- Spain
| | - Alvaro Castilla
- Departament de Química Orgànica
- Facultat de Química, Universitat de València
- 46100 Burjassot
- Spain
| | - David Sanz
- Departament de Química Orgànica
- Facultat de Química, Universitat de València
- 46100 Burjassot
- Spain
| | - Amparo Sanz-Marco
- Departament de Química Orgànica
- Facultat de Química, Universitat de València
- 46100 Burjassot
- Spain
| | - Carlos Vila
- Departament de Química Orgànica
- Facultat de Química, Universitat de València
- 46100 Burjassot
- Spain
| | - M. Carmen Muñoz
- Departament de Física Aplicada
- Universitat Politècnica de València
- E-46022 València
- Spain
| | - José R. Pedro
- Departament de Química Orgànica
- Facultat de Química, Universitat de València
- 46100 Burjassot
- Spain
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4
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Duan CL, Tan YX, Zhang JL, Yang S, Dong HQ, Tian P, Lin GQ. Highly Enantioselective Rhodium-Catalyzed Cross-Addition of Silylacetylenes to Cyclohexadienone-Tethered Internal Alkynes. Org Lett 2019; 21:1690-1693. [DOI: 10.1021/acs.orglett.9b00249] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Chang-Lin Duan
- The Research Center of Chiral Drugs, Innovation Research Institute of Traditional Chinese Medicine (IRI), Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, China
- Department of Chemistry, Shanghai Normal University, 100 Guilin Road, Shanghai 200234, China
| | - Yun-Xuan Tan
- Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Jun-Li Zhang
- The Research Center of Chiral Drugs, Innovation Research Institute of Traditional Chinese Medicine (IRI), Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, China
| | - Shiping Yang
- Department of Chemistry, Shanghai Normal University, 100 Guilin Road, Shanghai 200234, China
| | - Han-Qing Dong
- Arvinas, Inc., 5 Science Park 395 Winchester Avenue, New Haven, Connecticut 06511, United States
| | - Ping Tian
- The Research Center of Chiral Drugs, Innovation Research Institute of Traditional Chinese Medicine (IRI), Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, China
- Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Guo-Qiang Lin
- The Research Center of Chiral Drugs, Innovation Research Institute of Traditional Chinese Medicine (IRI), Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, China
- Key Laboratory of Synthetic Chemistry of Natural Substances, 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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5
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Zhang J, Liu C, Wang X, Chen J, Zhang Z, Zhang W. Rhodium-catalyzed asymmetric hydrogenation of β-branched enamides for the synthesis of β-stereogenic amines. Chem Commun (Camb) 2018; 54:6024-6027. [DOI: 10.1039/c8cc02798f] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
β-Branched simple enamides were hydrogenated to give β-stereogenic amines in quantitative yields and with excellent enantioselectivities.
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Affiliation(s)
- Jian Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs
- School of Pharmacy
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Chong Liu
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Xingguang Wang
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Jianzhong Chen
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Zhenfeng Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs
- School of Pharmacy
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Wanbin Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs
- School of Pharmacy
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
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6
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Dou X, Liu N, Yao J, Lu T. Rhodium-Catalyzed Homocoupling of γ-Alkylated tert-Propargylic Alcohols. Org Lett 2017; 20:272-275. [DOI: 10.1021/acs.orglett.7b03663] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xiaowei Dou
- Department
of Organic Chemistry and ‡State Key Laboratory of Natural
Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Na Liu
- Department
of Organic Chemistry and ‡State Key Laboratory of Natural
Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Jian Yao
- Department
of Organic Chemistry and ‡State Key Laboratory of Natural
Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Tao Lu
- Department
of Organic Chemistry and ‡State Key Laboratory of Natural
Medicines, China Pharmaceutical University, Nanjing 210009, China
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7
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Zhi Y, Huang J, Liu N, Lu T, Dou X. Rhodium-Catalyzed Asymmetric Conjugate Alkynylation of β,γ-Unsaturated α-Ketoesters. Org Lett 2017; 19:2378-2381. [DOI: 10.1021/acs.orglett.7b00909] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Yanle Zhi
- Department
of Organic Chemistry and ‡State Key Laboratory of Natural
Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Jianhang Huang
- Department
of Organic Chemistry and ‡State Key Laboratory of Natural
Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Na Liu
- Department
of Organic Chemistry and ‡State Key Laboratory of Natural
Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Tao Lu
- Department
of Organic Chemistry and ‡State Key Laboratory of Natural
Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Xiaowei Dou
- Department
of Organic Chemistry and ‡State Key Laboratory of Natural
Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
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8
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Singh VK, Upadhyay A, Singh RKP. Zinc-mediated synthesis of 3-alkynyl-3-hydroxyindolin-2-ones by addition of iodoalkynes to isatins. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2016.11.124] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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9
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Xu N, Gu DW, Zi J, Wu XY, Guo XX. Enantioselective Synthesis of 3-Alkynyl-3-hydroxyindolin-2-ones by Copper-Catalyzed Asymmetric Addition of Terminal Alkynes to Isatins. Org Lett 2016; 18:2439-42. [DOI: 10.1021/acs.orglett.6b00971] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Ning Xu
- Key
Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Da-Wei Gu
- Shanghai
Center for Systems Biomedicine, Ministry of Education Key Laboratory
of Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Jing Zi
- Shanghai
Center for Systems Biomedicine, Ministry of Education Key Laboratory
of Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Xin-Yan Wu
- Key
Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Xun-Xiang Guo
- Shanghai
Center for Systems Biomedicine, Ministry of Education Key Laboratory
of Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
- State
Key Laboratory of Elemento-organic Chemistry, Nankai University, Tianjin 300071, P. R. China
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10
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Dou X, Huang Y, Hayashi T. Asymmetric Conjugate Alkynylation of Cyclic α,β-Unsaturated Carbonyl Compounds with a Chiral Diene Rhodium Catalyst. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201509778] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Xiaowei Dou
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
| | - Yinhua Huang
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
| | - Tamio Hayashi
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
- Institute of Materials Research and Engineering, A*STAR; 2 Fusionopolis Way Singapore 138634 Singapore
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11
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Dou X, Huang Y, Hayashi T. Asymmetric Conjugate Alkynylation of Cyclic α,β-Unsaturated Carbonyl Compounds with a Chiral Diene Rhodium Catalyst. Angew Chem Int Ed Engl 2015; 55:1133-7. [DOI: 10.1002/anie.201509778] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Indexed: 11/10/2022]
Affiliation(s)
- Xiaowei Dou
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
| | - Yinhua Huang
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
| | - Tamio Hayashi
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
- Institute of Materials Research and Engineering, A*STAR; 2 Fusionopolis Way Singapore 138634 Singapore
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12
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Okayama Y, Maruhashi K, Tsuji S, Mori A. Studies on Diastereoselective Functionalization, Optical Resolution, and Racemization Behaviors of Macrocyclic Bisimidazole of Winding-Vine-Shaped Molecular Asymmetry. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2015. [DOI: 10.1246/bcsj.20150164] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Yoichi Okayama
- Department of Chemical Science and Engineering, Kobe University
| | | | - Satoru Tsuji
- Department of Chemical Science and Engineering, Kobe University
| | - Atsunori Mori
- Department of Chemical Science and Engineering, Kobe University
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13
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Sawano T, Hashizume M, Nishimoto S, Ou K, Nishimura T. Formation of Carbocycles via a 1,4-Rh Shift Triggered by a Rhodium-Catalyzed Addition of Terminal Alkynes to 3,3-Diarylcyclopropenes. Org Lett 2015; 17:2630-3. [DOI: 10.1021/acs.orglett.5b00984] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Takahiro Sawano
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Minoru Hashizume
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Shouta Nishimoto
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Keiyu Ou
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Takahiro Nishimura
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
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14
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Fan B, Li S, Chen H, Lu Z, Liu S, Yang Q, Yu L, Xu J, Zhou Y, Wang J. Palladium/Copper Complexes Co-Catalyzed Highly Enantioselective Ring Opening Reaction of Azabenzonorbornadienes with Terminal Alkynes. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201300748] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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15
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Sawano T, Ou K, Nishimura T, Hayashi T. Cobalt-Catalyzed Asymmetric Addition of Silylacetylenes to 1,1-Disubstituted Allenes. J Org Chem 2013; 78:8986-93. [DOI: 10.1021/jo401604n] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Takahiro Sawano
- Department
of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Keiyu Ou
- Department
of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Takahiro Nishimura
- Department
of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Tamio Hayashi
- Institute
of Materials Research and Engineering, A*STAR, 3 Research Link, Singapore 117602
- Department
of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543
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16
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Dabrowski JA, Haeffner F, Hoveyda AH. Combining NHC-Cu and Brønsted Base Catalysis: Enantioselective Allylic Substitution/Conjugate Additions with Alkynylaluminum Reagents and Stereospecific Isomerization of the Products to Trisubstituted Allenes. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201303501] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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17
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Dabrowski JA, Haeffner F, Hoveyda AH. Combining NHC-Cu and Brønsted base catalysis: enantioselective allylic substitution/conjugate additions with alkynylaluminum reagents and stereospecific isomerization of the products to trisubstituted allenes. Angew Chem Int Ed Engl 2013; 52:7694-9. [PMID: 23864395 DOI: 10.1002/anie.201303501] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2013] [Indexed: 12/17/2022]
Abstract
All-catalytic route to trisubstituted allenes: The first examples of catalytic enantioselective allylic substitution reactions that involve alkyne-based nucleophiles and lead to products having tertiary stereogenic centers are followed by an exceptionally stereospecific amine-catalyzed isomerization to trisubstituted allenes (see picture; NHC = N-heterocyclic carbene).
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Affiliation(s)
- Jennifer A Dabrowski
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, MA 02467, USA
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18
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Hiroi Y, Komine N, Komiya S, Hirano M. Asymmetric cross-dimerization between methyl methacrylate and substituted alkene by Ru(0)-bicyclononadiene complex. Org Lett 2013; 15:2486-9. [PMID: 23659279 DOI: 10.1021/ol400963d] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
New Ru(0)-naphthalene complexes containing a bicyclononadiene ligand catalyze the linear cross-dimerization between methyl methacrylate and substituted alkenes by an oxidative coupling mechanism. The chiral (S,S)-2-methylbicyclo[3.3.1]nona-2,6-diene complex (S,S)-1b catalyzes asymmetric linear cross-dimerization between methyl methacrylate and 2,5-dihydrofuran to give the cross-dimer in 74% yield in 80% ee.
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Affiliation(s)
- Yuki Hiroi
- Department of Applied Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology , 2-24-26 Nakacho, Koganei, Tokyo 184-8588, Japan, and Japan Science and Technology Agency (JST) , ACT-C, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
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19
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Blay G, Muñoz MC, Pedro JR, Sanz-Marco A. Enantioselective Synthesis of 4-Substituted Dihydrocoumarins through a Zinc Bis(hydroxyamide)-Catalyzed Conjugate Addition of Terminal Alkynes. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201201120] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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20
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Sawano T, Ashouri A, Nishimura T, Hayashi T. Cobalt-catalyzed asymmetric 1,6-addition of (triisopropylsilyl)-acetylene to α,β,γ,δ-unsaturated carbonyl compounds. J Am Chem Soc 2012; 134:18936-9. [PMID: 23131028 DOI: 10.1021/ja309756k] [Citation(s) in RCA: 77] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Asymmetric addition of (triisopropylsilyl)acetylene to α,β,γ,δ-unsaturated carbonyl compounds took place in the presence of a cobalt/Duphos catalyst to give the 1,6-addition products in high yields with high regio- and enantioselectivity.
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Affiliation(s)
- Takahiro Sawano
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
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21
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Blay G, Cardona L, Pedro JR, Sanz-Marco A. Enantioselective Zinc-Mediated Conjugate Addition of Terminal Alkynes to Enones. Chemistry 2012; 18:12966-9. [PMID: 22936365 DOI: 10.1002/chem.201201765] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2012] [Indexed: 11/08/2022]
Affiliation(s)
- Gonzalo Blay
- Departament de Química Orgànica, Facultat de Química, Universitat de València, C/Dr. Moliner 50, E-46100 Burjassot (València), Spain.
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22
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Hoshino Y, Shibata Y, Tanaka K. Rhodium-Catalyzed Three-Component Cross-Addition of Silylacetylenes, Alkynyl Esters, and Electron-Deficient Alkenes or Isocyanates. Angew Chem Int Ed Engl 2012; 51:9407-11. [DOI: 10.1002/anie.201204646] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2012] [Indexed: 11/06/2022]
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23
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Hoshino Y, Shibata Y, Tanaka K. Rhodium-Catalyzed Three-Component Cross-Addition of Silylacetylenes, Alkynyl Esters, and Electron-Deficient Alkenes or Isocyanates. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201204646] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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24
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Kumagai N, Shibasaki M. Cooperative Asymmetric Catalysis Using Thioamides toward Truly Practical Organic Syntheses. Isr J Chem 2012. [DOI: 10.1002/ijch.201100164] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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25
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Luo Y, Hepburn HB, Chotsaeng N, Lam HW. Enantioselective Rhodium-Catalyzed Nucleophilic Allylation of Cyclic Imines with Allylboron Reagents. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201204004] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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26
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Luo Y, Hepburn HB, Chotsaeng N, Lam HW. Enantioselective rhodium-catalyzed nucleophilic allylation of cyclic imines with allylboron reagents. Angew Chem Int Ed Engl 2012; 51:8309-13. [PMID: 22786686 DOI: 10.1002/anie.201204004] [Citation(s) in RCA: 151] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2012] [Indexed: 11/06/2022]
Affiliation(s)
- Yunfei Luo
- EaStCHEM, School of Chemistry, University of Edinburgh, Joseph Black Building, The King's Buildings, West Mains Road, Edinburgh EH9 3JJ, UK
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García Ruano JL, Marzo L, Marcos V, Alvarado C, Alemán J. Highly Stereoselective Synthesis of Tertiary Propargylic Centers and Their Isomerization to Enantiomerically Enriched Allenes. Chemistry 2012; 18:9775-9. [DOI: 10.1002/chem.201201607] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2012] [Indexed: 01/08/2023]
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28
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Wang J, Zhang Q, Zhang H, Feng Y, Yuan W, Zhang X. Organocatalytic enantioselective Michael addition of a kojic acid derivative to nitro olefins. Org Biomol Chem 2012; 10:2950-4. [DOI: 10.1039/c2ob07192d] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Jiyu Wang
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, China
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29
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Yazaki R, Kumagai N, Shibasaki M. Cooperative activation of alkyne and thioamide functionalities; direct catalytic asymmetric conjugate addition of terminal alkynes to α,β-unsaturated thioamides. Chem Asian J 2011; 6:1778-90. [PMID: 21538905 DOI: 10.1002/asia.201100050] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2011] [Indexed: 01/02/2023]
Abstract
A detailed study of the direct catalytic asymmetric conjugate addition of terminal alkynes to α,β-unsaturated thioamides is described. A soft Lewis acid/hard Brønsted base cooperative catalyst, comprising [Cu(CH(3)CN)(4)]PF(6), bisphosphine ligand, and Li(OC(6)H(4)-p-OMe) simultaneously activated both substrates to compensate for the low reactivity of copper alkynylide. A series of control experiments revealed that the intermediate copper-thioamide enolate functioned as a Brønsted base to generate copper alkynylide from the terminal alkyne, thus driving the catalytic cycle through an efficient proton transfer between substrates. These findings led to the identification of a more convenient catalyst using potassium hexamethyldisilazane (KHMDS) as the Brønsted base, which was particularly effective for the reaction of silylacetylenes. Divergent transformation of the thioamide functionality and a concise enantioselective synthesis of a GPR40 receptor agonist AMG-837 highlighted the synthetic utility of the present catalysis.
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Affiliation(s)
- Ryo Yazaki
- Institute of Microbial Chemistry, Tokyo, 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo 141-0021, Japan
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30
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Nishimura T, Nagaosa M, Hayashi T. Rhodium-catalyzed oxidative alkynylation of acrylate esters with propargylic alcohols. Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2010.11.120] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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31
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Dabrowski JA, Gao F, Hoveyda AH. Enantioselective synthesis of alkyne-substituted quaternary carbon stereogenic centers through NHC-Cu-catalyzed allylic substitution reactions with (i-Bu)2(alkynyl)aluminum reagents. J Am Chem Soc 2011; 133:4778-81. [PMID: 21384918 DOI: 10.1021/ja2010829] [Citation(s) in RCA: 124] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A catalytic enantioselective method for the formation of alkyne-substituted all-carbon quaternary stereogenic centers is reported. Additions of alkynylaluminums to alkyl-, aryl-, carboxylic ester-, or silyl-substituted allylic phosphates are promoted by 1.0-5.0 mol % loadings of NHC-Cu complexes derived from air-stable and commercially available CuCl(2)·2H(2)O. The requisite Al-based reagents are prepared through treatment of the corresponding aryl-, heteroaryl-, alkyl-, or alkenyl-substituted terminal alkynes with diisobutylaluminum hydride in the presence of 5.0 mol % Et(3)N at ambient temperature. The desired 1,4-enynes are obtained in up to 98% yield and >99:1 enantiomeric ratio. Selected Au-catalyzed cyclizations involving the alkyne unit of the enantiomerically enriched products are presented as a demonstration of the method's utility in chemical synthesis.
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Affiliation(s)
- Jennifer A Dabrowski
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, USA
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32
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Yazaki R, Kumagai N, Shibasaki M. Enantioselective synthesis of a GPR40 agonist AMG 837 via catalytic asymmetric conjugate addition of terminal alkyne to α,β-unsaturated thioamide. Org Lett 2011; 13:952-5. [PMID: 21291204 DOI: 10.1021/ol102998w] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A concise enantioselective synthetic route to a potent GPR40 agonist AMG 837 is described. The crucial catalytic asymmetric conjugate addition of terminal alkyne was promoted by a soft Lewis acid/hard Brønsted base cooperative catalyst, allowing efficient construction of the requisite stereogenic center. The thioamide functional group is key to both activation in asymmetric alkynylation and facile transformation into carboxylic acid.
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Affiliation(s)
- Ryo Yazaki
- Institute of Microbial Chemistry, Tokyo, Japan
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33
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Nishimura T, Sawano T, Ou K, Hayashi T. Cobalt-catalyzed conjugate addition of silylacetylenes to α,β-unsaturated ketones. Chem Commun (Camb) 2011; 47:10142-4. [DOI: 10.1039/c1cc14098a] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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