1
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Xu Y, Liu D, Gao F, Li S, Zhang X, Wang L, Yang D. Harnessing Dpp-Imine as a Powerful Achiral Cocatalyst to Dramatically Increase the Efficiency and Stereoselectivity in a Magnesium-Mediated Oxa-Michael Reaction. JACS AU 2024; 4:164-176. [PMID: 38274262 PMCID: PMC10806778 DOI: 10.1021/jacsau.3c00584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 12/06/2023] [Accepted: 12/11/2023] [Indexed: 01/27/2024]
Abstract
Dpp-imines are classic model substrates for synthetic method studies. Here, we disclose their powerful use as achiral coligands in metal-catalyzed reactions. It is highly interesting to find that the Dpp-imine can not only act as powerful ligand to create excellent chiral pockets with magnesium complexes but also, more importantly, this coligand can dramatically enhance the catalytic ability of the metal catalyst. The underlying reaction mechanism was extensively explored by conducting a series of experiments, including 31P NMR studies of the coordination complex between the Dpp-imine coligand and magnesium complexes, ESI capture results, multiple control experiments, studies and comparison of different coligands, 1H NMR studies on the relationship between the substrate and Dpp-imine coligand, as well as the relationship between the substrate and the full complexes. Furthermore, DFT calculation provided valuable insights in the role of the imine additive and demonstrated that adding the Dpp-imine coligand in the magnesium catalyst can switch the deprotonation/nucleophilic addition steps from a stepwise mechanism to a concerted process during the oxa-cyclization reaction. The crucial factors responsible for the excellent enantioselectivity and enhanced reaction efficiency brought by Dpp-imine have been extracted from the calculation model. These mechanistic experiments and DFT calculation data clearly disclose and prove the powerful and interesting functions of the Dpp-imine coligand, which also direct a novel application of this type of active imine as useful ligands in metal-catalyzed asymmetric reactions.
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Affiliation(s)
- Yingfan Xu
- Key
Laboratory of Preclinical Study for New Drugs of Gansu Province, School
of Basic Medical Sciences & Research Unit of Peptide Science,
2019RU066, Lanzhou University, Lanzhou 730000, Gansu, P. R. China
| | - Dan Liu
- Institute
of Systems and Physical Biology, Shenzhen
Bay Laboratory, Shenzhen 518055, P. R. China
| | - Feiyun Gao
- Key
Laboratory of Preclinical Study for New Drugs of Gansu Province, School
of Basic Medical Sciences & Research Unit of Peptide Science,
2019RU066, Lanzhou University, Lanzhou 730000, Gansu, P. R. China
| | - Shixin Li
- Key
Laboratory of Preclinical Study for New Drugs of Gansu Province, School
of Basic Medical Sciences & Research Unit of Peptide Science,
2019RU066, Lanzhou University, Lanzhou 730000, Gansu, P. R. China
| | - Xiaoyong Zhang
- Institute
of Systems and Physical Biology, Shenzhen
Bay Laboratory, Shenzhen 518055, P. R. China
| | - Linqing Wang
- Key
Laboratory of Preclinical Study for New Drugs of Gansu Province, School
of Basic Medical Sciences & Research Unit of Peptide Science,
2019RU066, Lanzhou University, Lanzhou 730000, Gansu, P. R. China
| | - Dongxu Yang
- Key
Laboratory of Preclinical Study for New Drugs of Gansu Province, School
of Basic Medical Sciences & Research Unit of Peptide Science,
2019RU066, Lanzhou University, Lanzhou 730000, Gansu, P. R. China
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2
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Chen KL, Tanaka F. Organocatalytic enantioselective Mannich and retro-Mannich reactions and combinations of these reactions to afford tetrasubstituted α-amino acid derivatives. Org Biomol Chem 2024; 22:477-481. [PMID: 38099926 DOI: 10.1039/d3ob01855e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
Organocatalytic asymmetric Mannich reactions and kinetic resolutions of the products via retro-Mannich reactions that afford enantiomerically enriched tetrasubstituted α-amino acid derivatives (α,α-disubstituted-α-amino acid derivatives) were developed. Furthermore, the combination of the Mannich reaction and the retro-Mannich reaction allowed access to products with almost perfect enantiopurities.
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Affiliation(s)
- Kuan-Lin Chen
- Chemistry and Chemical Bioengineering Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna, Okinawa 904-0495, Japan.
| | - Fujie Tanaka
- Chemistry and Chemical Bioengineering Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna, Okinawa 904-0495, Japan.
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3
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Uwaso Y, Yokoyama N, Kano T. Synthesis of biphenyl-based chiral amine catalysts from dibromopyrenes and their application in enamine catalysis. Org Biomol Chem 2023; 21:6484-6487. [PMID: 37526571 DOI: 10.1039/d3ob01059g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2023]
Abstract
Novel axially chiral biphenyl-based amine catalysts have been designed and synthesized from dibromopyrenes. These chiral amines function as effective catalysts for asymmetric reactions through enamine intermediates.
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Affiliation(s)
- Yuki Uwaso
- Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - Naoki Yokoyama
- Department of Applied Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology, Tokyo 184-8588, Japan.
| | - Taichi Kano
- Department of Applied Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology, Tokyo 184-8588, Japan.
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4
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Berry J, Lindhorst TK, Despras G. Sulfur and Azobenzenes, a Profitable Liaison: Straightforward Synthesis of Photoswitchable Thioglycosides with Tunable Properties. Chemistry 2022; 28:e202200354. [PMID: 35537915 PMCID: PMC9401004 DOI: 10.1002/chem.202200354] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Indexed: 01/07/2023]
Abstract
Azobenzene photoswitches are valuable tools for controlling properties of molecular systems with light. We have been investigating azobenzene glycoconjugates to probe carbohydrate-protein interactions and to design glycoazobenzene macrocycles with chiroptical and physicochemical properties modulated by light irradiation. To date, direct conjugation of glycosides to azobenzenes was performed by reactions providing target compounds in limited yields. We therefore sought a more effective and reliable coupling method. In this paper, we report on a straightforward thioarylation of azobenzene derivatives with glycosyl thiols as well as other thiols, thereby increasing the scope of azobenzene conjugation. Even challenging unsymmetrical conjugates can be achieved in good yields via sequential or one-pot procedures. Importantly, red-shifted azoswitches, which are addressed with visible light, were easily functionalized. Additionally, by oxidation of the sulfide bridge to the respective sulfones, both the photochromic and the thermal relaxation properties of the core azobenzene can be tuned. Utilizing this option, we realized orthogonal three-state photoswitching in mixtures containing two distinct azobenzene thioglycosides.
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Affiliation(s)
- Jonathan Berry
- Otto Diels Institute of Organic ChemistryChristiana Albertina University of KielOtto-Hahn-Platz 3/424118KielGermany
| | - Thisbe K. Lindhorst
- Otto Diels Institute of Organic ChemistryChristiana Albertina University of KielOtto-Hahn-Platz 3/424118KielGermany
| | - Guillaume Despras
- Otto Diels Institute of Organic ChemistryChristiana Albertina University of KielOtto-Hahn-Platz 3/424118KielGermany
- Laboratoire des IMRCPUniversité de ToulouseCNRS UMR 5623Université Paul Sabatier118 route de Narbonne31062Toulouse Cedex 9France
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5
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Lee HJ, Maruoka K. Design of Bifunctional Amino Tf-Amide Organocatalysts and Application in Various Asymmetric Transformations. CHEM REC 2022; 22:e202200004. [PMID: 35179310 DOI: 10.1002/tcr.202200004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 02/01/2022] [Accepted: 02/02/2022] [Indexed: 11/08/2022]
Abstract
In this personal account, we describe our recent developments on the four types of amino Tf-amide catalysts in asymmetric transformations. Firstly, axially chiral biaryl-based secondary-amino Tf-amide catalyzed various stereoselective reactions via enamine intermediates. Secondly, pyrrolidine-based secondary-amino aliphatic Tf-amide catalyzed asymmetric direct Mannich reaction. Thirdly, chiral primary-amino aliphatic Tf-amide catalyzed asymmetric direct aldol reaction and conjugate addition. Finally, modified chiral amino aromatic Tf-amide catalyzed asymmetric transformations. These four different strategies are illustrated by using various organocatalyzed asymmetric transformations.
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Affiliation(s)
- Hyo-Jun Lee
- Department of Chemistry, Kunsan National University, Gunsan, 54150, Republic of Korea
| | - Keiji Maruoka
- Graduate School of Pharmaceutical Sciences, Kyoto University Sakyo, Kyoto, 606-8501, Japan.,School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, China
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6
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Homma C, Kano T. Design and Synthesis of Phenylcyclopropane-based Chiral Amine Catalysts and Their Application in Asymmetric Reactions. J SYN ORG CHEM JPN 2022. [DOI: 10.5059/yukigoseikyokaishi.80.92] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
| | - Taichi Kano
- Department of Applied Chemistry, Tokyo University of Agriculture and Technology
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7
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Auras S, Trapp O. Scorpio‐Ligand: Synthesis of Biphenyl‐Dihydroazepine Phosphoramidite Ligands for Asymmetric Hydrogenation. Helv Chim Acta 2021. [DOI: 10.1002/hlca.202100147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Stefanie Auras
- Department of Chemistry Ludwig Maximilian University Munich Butenandtstr. 5–13 DE-81377 Munich Germany
| | - Oliver Trapp
- Department of Chemistry Ludwig Maximilian University Munich Butenandtstr. 5–13 DE-81377 Munich Germany
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8
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Hu K, Liu R, Zhou X. Sequential Addition of Amines to Nitrile and Carbon-Carbon Multiple Bond: A Route to 7-Amino-5 H-dibenzo[ c,e]azepines. Org Lett 2021; 23:6946-6950. [PMID: 34415175 DOI: 10.1021/acs.orglett.1c02540] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A rare earth metal-catalyzed sequential inter- and intramolecular C-N bond formation of 2-nitrile-2'-alkenyl(alkynyl)biphenyls with amines has been developed, which provides a straightforward and efficient access to a range of new functional dibenzo[c,e]azepines. This represents the first examples of direct construction of seven-membered azaheterocycle from unsaturated nitriles and amines. Such transformations have the advantages of avoiding the use of additives, easily available starting materials, step- and high atom-economy, mild reaction conditions, and high selectivity.
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Affiliation(s)
- Kun Hu
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200438, China
| | - Ruiting Liu
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200438, China
| | - Xigeng Zhou
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200438, China.,State Key Laboratory of Organometallic Chemistry, Shanghai 200032, China
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9
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Synthesis of alkynyl Z-ketimines and their application in amine-catalyzed asymmetric Mannich reactions and conjugate addition. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132225] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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10
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Xu C, Reep C, Jarvis J, Naumann B, Captain B, Takenaka N. Asymmetric Catalytic Ketimine Mannich Reactions and Related Transformations. Catalysts 2021; 11:712. [PMID: 34745653 PMCID: PMC8570560 DOI: 10.3390/catal11060712] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
The catalytic enantioselective ketimine Mannich and its related reactions provide direct access to chiral building blocks bearing an α-tertiary amine stereogenic center, a ubiquitous structural motif in nature. Although ketimines are often viewed as challenging electrophiles, various approaches/strategies to circumvent or overcome the adverse properties of ketimines have been developed for these transformations. This review showcases the selected examples that highlight the benefits and utilities of various ketimines and remaining challenges associated with them in the context of Mannich, allylation, and aza-Morita-Baylis-Hillman reactions as well as their variants.
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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 32901-6975, USA
| | - Carlyn Reep
- Chemistry Program, Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, 150 West University Boulevard, Melbourne, FL 32901-6975, USA
| | - Jamielyn Jarvis
- Chemistry Program, Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, 150 West University Boulevard, Melbourne, FL 32901-6975, USA
| | - Brandon Naumann
- Chemistry Program, Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, 150 West University Boulevard, Melbourne, FL 32901-6975, 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 32901-6975, USA
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11
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Lu H, Lv J, Zhou C, Zhou M, Fang Y, Dong J, Kato T, Liu Y, Maruoka K. Remarkable Effect of
tert
‐Amine Additives in the Asymmetric Direct Michael Reaction of Ketones with β‐Arylnitroethenes Catalyzed by an
L
‐Hydroxyproline‐Based Amino Tf‐Amide Organocatalyst. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100090] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Hanbin Lu
- School of Chemical Engineering and Light Industry Guangdong University of Technology 510006 Guangzhou China
| | - Jiamin Lv
- School of Chemical Engineering and Light Industry Guangdong University of Technology 510006 Guangzhou China
| | - Canhua Zhou
- School of Chemical Engineering and Light Industry Guangdong University of Technology 510006 Guangzhou China
| | - Mi Zhou
- School of Chemical Engineering and Light Industry Guangdong University of Technology 510006 Guangzhou China
| | - Yanxiong Fang
- School of Chemical Engineering and Light Industry Guangdong University of Technology 510006 Guangzhou China
| | - Jinxiang Dong
- School of Chemical Engineering and Light Industry Guangdong University of Technology 510006 Guangzhou China
| | - Terumasa Kato
- School of Chemical Engineering and Light Industry Guangdong University of Technology 510006 Guangzhou China
| | - Yan Liu
- School of Chemical Engineering and Light Industry Guangdong University of Technology 510006 Guangzhou China
| | - Keiji Maruoka
- School of Chemical Engineering and Light Industry Guangdong University of Technology 510006 Guangzhou China
- Graduate School of Pharmaceutical Sciences Kyoto University Sakyo 606-8501 Kyoto Japan
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12
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Homma C, Kano T, Maruoka K. Bifunctional amino sulfonamide-catalyzed asymmetric conjugate addition to alkenyl alkynyl ketimines as enone surrogates. Chem Commun (Camb) 2021; 57:2808-2811. [PMID: 33600542 DOI: 10.1039/d0cc07842e] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
A bifunctional amino sulfonamide-catalyzed asymmetric conjugate addition of aldehydes to alkenyl alkynyl ketimines as reactive surrogates for enones has been developed. Use of a phenylcyclopropane-based amino sulfonamide catalyst, which can activate and orient the ketimines through hydrogen bonding, affords the desired conjugate adducts with high chemo-, diastereo- and enantioselectivity.
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Affiliation(s)
- Chihiro Homma
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan.
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13
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Geng Y, Hua Y, Jia S, Wang M. Direct Asymmetric α‐Selective Mannich Reaction of β,γ‐Unsaturated Ketones with Cyclic α‐Imino Ester: Divergent Synthesis of Cyclocanaline and Tetrahydro Pyridazinone Derivatives. Chemistry 2021; 27:5130-5135. [DOI: 10.1002/chem.202100284] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Indexed: 12/16/2022]
Affiliation(s)
- Yu‐Huan Geng
- College of Chemistry and Institute of Green Catalysis Zhengzhou University No. 100, Science Road Zhengzhou City Henan province 450000 P. R. China
| | - Yuan‐Zhao Hua
- College of Chemistry and Institute of Green Catalysis Zhengzhou University No. 100, Science Road Zhengzhou City Henan province 450000 P. R. China
| | - Shi‐Kun Jia
- College of Chemistry and Institute of Green Catalysis Zhengzhou University No. 100, Science Road Zhengzhou City Henan province 450000 P. R. China
| | - Min‐Can Wang
- College of Chemistry and Institute of Green Catalysis Zhengzhou University No. 100, Science Road Zhengzhou City Henan province 450000 P. R. China
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14
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Homma C, Takeshima A, Kano T, Maruoka K. Construction of chiral α- tert-amine scaffolds via amine-catalyzed asymmetric Mannich reactions of alkyl-substituted ketimines. Chem Sci 2020; 12:1445-1450. [PMID: 34163907 PMCID: PMC8179053 DOI: 10.1039/d0sc05269h] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Stereoselective Mannich reactions of aldehydes with ketimines provide chiral β-amino aldehydes that bear an α-tert-amine moiety. However, the structural variation of the ketimines is limited due to the formation of inseparable E/Z isomers, low reactivity, and other synthetic difficulties. In this study, a highly diastereodivergent synthesis of hitherto difficult-to-access β-amino aldehydes that bear a chiral α-tert-amine moiety was achieved using the amine-catalyzed Mannich reactions of aldehydes with less-activated Z-ketimines that bear both alkyl and alkynyl groups.
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Affiliation(s)
- Chihiro Homma
- Department of Chemistry, Graduate School of Science, Kyoto University Sakyo Kyoto 606-8502 Japan
| | - Aika Takeshima
- Department of Chemistry, Graduate School of Science, Kyoto University Sakyo Kyoto 606-8502 Japan
| | - Taichi Kano
- Department of Chemistry, Graduate School of Science, Kyoto University Sakyo Kyoto 606-8502 Japan
| | - Keiji Maruoka
- Graduate School of Science, Graduate School of Pharmaceutical Sciences, Kyoto University Kyoto 606-8502 Japan .,School of Chemical Engineering and Light Industry, Guangdong University of Technology Guangzhou 510006 China
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15
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Dai J, Wang Z, Deng Y, Zhu L, Peng F, Lan Y, Shao Z. Enantiodivergence by minimal modification of an acyclic chiral secondary aminocatalyst. Nat Commun 2019; 10:5182. [PMID: 31729388 PMCID: PMC6858435 DOI: 10.1038/s41467-019-13183-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Accepted: 10/28/2019] [Indexed: 12/21/2022] Open
Abstract
The development of enantiodivergent catalysis for the preparation of both enantiomers of a chiral compound is of importance in pharmaceutical and bioorganic chemistry. With the design of a class of reactive and stereoselective organocatalysts, acyclic chiral secondary amines, a method for achieving the enantiodivergence is developed simply by changing the secondary N-i-Bu- to N-Me-group within the catalyst architecture while maintaining the same absolute configuration of the catalysts, which modulates the catalyst conformation. This catalyst-controlled enantiodivergent method not only enables challenging asymmetric transformations to occur in an enantiodivergent manner but also features a high level of stereocontrol and broad scope that is demonstrated in eight different reactions (90 examples), all delivering both enantiomers of a range of structurally diverse products including hitherto less accessible, yet important, compounds in good yields with high stereoselectivities. Enantiodivergent methods, which to access both enantiomers of the same compound, are of importance in drug synthesis. Here, the authors show that by simply changing a NiBu- to a NMe-group in readily available amine organocatalysts, high stereocontrol and broad scope are achieved in eight asymmetric reactions.
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Affiliation(s)
- Jun Dai
- Key Laboratory of Medicinal Chemistry for Natural Resource, School of Chemical Science and Technology, and State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, 650091, Kunming, China
| | - Zhuang Wang
- Key Laboratory of Medicinal Chemistry for Natural Resource, School of Chemical Science and Technology, and State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, 650091, Kunming, China
| | - Yuhua Deng
- Key Laboratory of Medicinal Chemistry for Natural Resource, School of Chemical Science and Technology, and State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, 650091, Kunming, China
| | - Lei Zhu
- School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University, 400030, Chongqing, China
| | - Fangzhi Peng
- Key Laboratory of Medicinal Chemistry for Natural Resource, School of Chemical Science and Technology, and State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, 650091, Kunming, China
| | - Yu Lan
- School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University, 400030, Chongqing, China.
| | - Zhihui Shao
- Key Laboratory of Medicinal Chemistry for Natural Resource, School of Chemical Science and Technology, and State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, 650091, Kunming, China.
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16
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Takeshima A, Kano T, Maruoka K. Synthesis of Phenylcyclopropane-Based Secondary Amine Catalysts and Their Applications in Enamine Catalysis. Org Lett 2019; 21:8071-8074. [PMID: 31513419 DOI: 10.1021/acs.orglett.9b03070] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A novel chiral motif based on a phenylcyclopropane scaffold has been designed, and a facile synthetic route to the key intermediate for the synthesis of phenylcyclopropane-based chiral secondary amines has been developed. Newly synthesized chiral amines function as effective catalysts for several asymmetric reactions through enamine intermediates.
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Affiliation(s)
- Aika Takeshima
- Department of Chemistry, Graduate School of Science , Kyoto University , Sakyo, Kyoto 606-8502 , Japan
| | - Taichi Kano
- Department of Chemistry, Graduate School of Science , Kyoto University , Sakyo, Kyoto 606-8502 , Japan
| | - Keiji Maruoka
- Department of Chemistry, Graduate School of Science , Kyoto University , Sakyo, Kyoto 606-8502 , Japan.,Department of Organocatalytic Chemistry, Graduate School of Pharmaceutical Sciences , Kyoto University , Sakyo, Kyoto 606-8501 , Japan.,School of Chemical Engineering and Light Industry , Guangdong University of Technology , Guangzhou 510006 , China
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17
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Yao X, Shao Y, Hu M, Zhang M, Li S, Xia Y, Cheng T, Chen J. Palladium‐Catalyzed Selective Synthesis of Dibenzo[
c
,
e
]azepin‐5‐ols and Benzo[
c
]pyrido[2,3‐
e
]azepin‐5‐ols. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900705] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Xinrong Yao
- College of Chemistry and Materials EngineeringWenzhou University Wenzhou 325035 People's Republic of China
| | - Yinlin Shao
- College of Chemistry and Materials EngineeringWenzhou University Wenzhou 325035 People's Republic of China
| | - Maolin Hu
- College of Chemistry and Materials EngineeringWenzhou University Wenzhou 325035 People's Republic of China
| | - Maosheng Zhang
- College of Chemistry and Materials EngineeringWenzhou University Wenzhou 325035 People's Republic of China
| | - Shaotong Li
- Shanghai Institute of Materia MedicaChinese Academy of Sciences Shanghai 201203 People's Republic of China
| | - Yuanzhi Xia
- College of Chemistry and Materials EngineeringWenzhou University Wenzhou 325035 People's Republic of China
| | - Tianxing Cheng
- College of Chemistry and Materials EngineeringWenzhou University Wenzhou 325035 People's Republic of China
| | - Jiuxi Chen
- College of Chemistry and Materials EngineeringWenzhou University Wenzhou 325035 People's Republic of China
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18
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Kim J, Shin M, Cho SH. Copper-Catalyzed Diastereoselective and Enantioselective Addition of 1,1-Diborylalkanes to Cyclic Ketimines and α-Imino Esters. ACS Catal 2019. [DOI: 10.1021/acscatal.9b02931] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Jeongho Kim
- Department of Chemistry, POSTECH, 37673, Pohang, Korea
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19
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Yao X, Shao Y, Hu M, Xia Y, Cheng T, Chen J. Palladium-Catalyzed Cascade Reaction of o-Cyanobiaryls with Arylboronic Acids: Synthesis of 5-Arylidene-7-aryl-5H-dibenzo[c,e]azepines. Org Lett 2019; 21:7697-7701. [DOI: 10.1021/acs.orglett.9b02351] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xinrong Yao
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
| | - Yinlin Shao
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
| | - Maolin Hu
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
| | - Yuanzhi Xia
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
| | - Tianxing Cheng
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
| | - Jiuxi Chen
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
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20
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Kattamuri PV, Bhakta U, Siriwongsup S, Kwon DH, Alemany LB, Yousufuddin M, Ess DH, Kürti L. Synthesis of Structurally Diverse 3-, 4-, 5-, and 6-Membered Heterocycles from Diisopropyl Iminomalonates and Soft C-Nucleophiles. J Org Chem 2019; 84:7066-7099. [PMID: 31009563 PMCID: PMC7879484 DOI: 10.1021/acs.joc.9b00681] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Herein, we present a general synthetic strategy for the preparation of 3-, 4-, 5-, and 6-membered heterocyclic unnatural amino acid derivatives by exploiting facile Mannich-type reactions between readily available N-alkyl- and N-aryl-substituted diisopropyl iminomalonates and a wide range of soft anionic C-nucleophiles without using any catalyst or additive. Fully substituted aziridines were obtained in a single step when enolates of α-bromo esters were employed as nucleophiles. Enantiomerically enriched azetidines, γ-lactones, and tetrahydroquinolines were obtained via a two-step catalytic asymmetric reduction and cyclization sequence from ketone enolate-derived adducts. Finally, highly substituted γ-lactams were prepared in one pot from adducts obtained using acetonitrile-derived carbanions. Overall, this work clearly demonstrates the utility of iminomalonates as highly versatile building blocks for the practical and scalable synthesis of structurally diverse heterocycles.
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Affiliation(s)
- Padmanabha V. Kattamuri
- Department of Chemistry, Rice University, BioScience Research Collaborative, Houston, Texas 77005, United States
| | - Urmibhusan Bhakta
- Department of Chemistry, Rice University, BioScience Research Collaborative, Houston, Texas 77005, United States
| | - Surached Siriwongsup
- Department of Chemistry, Rice University, BioScience Research Collaborative, Houston, Texas 77005, United States
| | - Doo-Hyun Kwon
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah 84602, United States
| | - Lawrence B. Alemany
- Department of Chemistry, Rice University, BioScience Research Collaborative, Houston, Texas 77005, United States
- Shared Equipment Authority, Rice University, 6100 Main Street, Houston, Texas 77005, United States
| | - Muhammed Yousufuddin
- Life and Health Sciences Department, University of North Texas at Dallas, Dallas, Texas 75241, United States
| | - Daniel H. Ess
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah 84602, United States
| | - László Kürti
- Department of Chemistry, Rice University, BioScience Research Collaborative, Houston, Texas 77005, United States
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21
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Advances in the Organocatalytic Asymmetric Mannich Reaction of Six‐Membered Unsaturated Heterocycles: Methodology and Application. ChemCatChem 2019. [DOI: 10.1002/cctc.201900379] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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22
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Ding R, De los Santos ZA, Wolf C. Catalytic Asymmetric Mannich Reaction of α-Fluoronitriles with Ketimines: Enantioselective and Diastereodivergent Construction of Vicinal Tetrasubstituted Stereocenters. ACS Catal 2019; 9:2169-2176. [PMID: 30956891 DOI: 10.1021/acscatal.8b05164] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Diastereodivergent and enantioselective conversion of isatin ketimines to α-fluoro-β-aminonitriles with vicinal tetrasubstituted stereocenters is achieved by a chiral copper complex/guanidine base catalyzed Mannich reaction with proper choice of the bisphosphine ligand. The reaction is broad in scope, scalable, and provides efficient access to a series of 3-aminoindolinones exhibiting a quaternary carbon-fluorine stereocenter with high yields and stereoselectivities. Selective transformations of the Mannich reaction products into multifunctional 3-aminooxindoles without erosion of enantiomeric and diastereomeric purity highlight the synthetic utility.
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Affiliation(s)
- Ransheng Ding
- Department of Chemistry, Georgetown University, 37th and O Streets, Washington, District of Columbia 20057, United States
| | - Zeus A. De los Santos
- Department of Chemistry, Georgetown University, 37th and O Streets, Washington, District of Columbia 20057, United States
| | - Christian Wolf
- Department of Chemistry, Georgetown University, 37th and O Streets, Washington, District of Columbia 20057, United States
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23
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Yang T, Guo X, Yin Q, Zhang X. Intramolecular asymmetric reductive amination: synthesis of enantioenriched dibenz[ c, e]azepines. Chem Sci 2018; 10:2473-2477. [PMID: 30881676 PMCID: PMC6385856 DOI: 10.1039/c8sc04482a] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Accepted: 12/21/2018] [Indexed: 01/11/2023] Open
Abstract
An enantioselective synthesis of dibenz[c,e]azepines containing both central and axial chiralities through a one pot N-Boc deprotection/intramolecular asymmetric reductive amination sequence has been achieved with generally excellent enantiocontrol (up to 97% ee).
An Ir-catalyzed intramolecular asymmetric reductive amination (ARA) of bridged biaryl derivatives has been described. Using this unprecedented approach, synthetically useful dibenz[c,e]azepines containing both central and axial chiralities are obtained with excellent enantiocontrol (up to 97% ee). This methodology represents a rare example of enantioselective chemocatalytic synthesis of chiral dibenz[c,e]azepines featuring a broad substrate scope, and their synthetic utilities are exhibited by derivatizing the products into a chiral amino acid derivative and chiral phosphoramidite ligands, which display excellent enantiocontrol in Rh-catalyzed asymmetric hydrogenation of α-dehydroamino acid derivatives. Remarkably, our method is also applicable to enantioselectively synthesize an allocolchicine analogue.
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Affiliation(s)
- Tao Yang
- Shenzhen Grubbs Institute and Department of Chemistry , Southern University of Science and Technology , Shenzhen , Guangdong 518055 , People's Republic of China .
| | - Xiaochong Guo
- Shenzhen Grubbs Institute and Department of Chemistry , Southern University of Science and Technology , Shenzhen , Guangdong 518055 , People's Republic of China .
| | - Qin Yin
- Shenzhen Grubbs Institute and Department of Chemistry , Southern University of Science and Technology , Shenzhen , Guangdong 518055 , People's Republic of China . .,SUSTech Academy for Advanced Interdisciplinary Studies , Southern University of Science and Technology , Shenzhen , Guangdong 518055 , People's Republic of China .
| | - Xumu Zhang
- Shenzhen Grubbs Institute and Department of Chemistry , Southern University of Science and Technology , Shenzhen , Guangdong 518055 , People's Republic of China .
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24
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Franchino A, Chapman J, Funes-Ardoiz I, Paton RS, Dixon DJ. Catalytic Enantio- and Diastereoselective Mannich Addition of TosMIC to Ketimines. Chemistry 2018; 24:17660-17664. [PMID: 30246415 DOI: 10.1002/chem.201804099] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Indexed: 12/31/2022]
Abstract
Chiral amines bearing a stereocenter in the α position are ubiquitous compounds with many applications in the pharmaceutical and agrochemical sectors, as well as in catalysis. Catalytic asymmetric Mannich additions represent a valuable method to access such compounds in enantioenriched form. This work reports the first enantio- and diastereoselective addition of commercially available p-toluenesulfonylmethyl isocyanide (TosMIC) to ketimines, affording 2-imidazolines bearing two contiguous stereocenters, one of which is fully-substituted, with high yields and excellent stereocontrol. The reaction, catalyzed by silver oxide and a dihydroquinine-derived N,P-ligand, is broad in scope, operationally simple, and scalable. Derivatization of the products provides enantioenriched vicinal diamines, precursors to NHC ligands and sp3 -rich heterocyclic scaffolds. Computations are used to understand catalysis and rationalize stereoselectivity.
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Affiliation(s)
- Allegra Franchino
- Department of Chemistry, Chemistry Research Laboratory University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK
| | - Jack Chapman
- Department of Chemistry, Chemistry Research Laboratory University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK
| | - Ignacio Funes-Ardoiz
- Institute of Chemical Research of Catalonia (ICIQ), Av. Països Catalans 16, 43007, Tarragona, Spain
| | - Robert S Paton
- Department of Chemistry, Chemistry Research Laboratory University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK
| | - Darren J Dixon
- Department of Chemistry, Chemistry Research Laboratory University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK
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25
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Shao Q, Wu L, Chen J, Gridnev ID, Yang G, Xie F, Zhang W. Copper (II)/RuPHOX-Catalyzed Enantioselective Mannich-Type Reaction of Glycine Schiff Bases with Cyclic Ketimines. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800850] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Qihang Shao
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Liang Wu
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Jianzhong Chen
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Ilya D. Gridnev
- Department of Chemistry, Graduate School of Science; Tohoku University, Aramaki 3-6, Aoba-ku; Sendai 9808578 Japan
| | - Guoqiang Yang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Fang Xie
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Wanbin Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
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26
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Viji M, Sim J, Li S, Lee H, Oh K, Jung JK. Organocatalytic and Regiodivergent Mannich Reaction of Ketones with Benzoxazinones. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800870] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Mayavan Viji
- College of Pharmacy and Medicinal Research Center (MRC); Chungbuk National University; Cheongju 28160 Republic of Korea
| | - Jaeuk Sim
- College of Pharmacy and Medicinal Research Center (MRC); Chungbuk National University; Cheongju 28160 Republic of Korea
| | - Siyuan Li
- College of Pharmacy and Medicinal Research Center (MRC); Chungbuk National University; Cheongju 28160 Republic of Korea
| | - Heesoon Lee
- College of Pharmacy and Medicinal Research Center (MRC); Chungbuk National University; Cheongju 28160 Republic of Korea
| | - Kyungsoo Oh
- Center for Metareceptome Research; College of Pharmacy, Chung-Ang University, 84 Heukseok-ro, Dongjak; Seoul 06974 Republic of Korea
| | - Jae-Kyung Jung
- College of Pharmacy and Medicinal Research Center (MRC); Chungbuk National University; Cheongju 28160 Republic of Korea
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27
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Choudhary S, Pawar AP, Yadav J, Sharma DK, Kant R, Kumar I. One-Pot Synthesis of Chiral Tetracyclic Dibenzo[ b, f][1,4]oxazepine-Fused 1,2-Dihydropyridines (DHPs) under Metal-Free Conditions. J Org Chem 2018; 83:9231-9239. [PMID: 29906390 DOI: 10.1021/acs.joc.8b01232] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An efficient protocol for the catalytic asymmetric synthesis of new dibenzo[ b, f][1,4]-oxazepine-fused 1,2-dihydropyridines (DHPs) has been described under metal-free conditions. This reaction proceeds through proline-catalyzed direct Mannich/cyclization between seven-membered dibenzo[ b, f][1,4]-oxazepine-imines and aqueous glutaraldehyde, followed by IBX-mediated site-selective dehydrogenative oxidation in one-pot operation with high yields (up to 92%) and excellent enantioselectivity (up to >99:1 er).
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Affiliation(s)
- Sachin Choudhary
- Department of Chemistry , Birla Institute of Technology & Science , Pilani 333 031 , India
| | - Amol Prakash Pawar
- Department of Chemistry , Birla Institute of Technology & Science , Pilani 333 031 , India
| | - Jyothi Yadav
- Department of Chemistry , Birla Institute of Technology & Science , Pilani 333 031 , India
| | - Devinder Kumar Sharma
- X-ray Crystallography Laboratory, Post-Graduate Department of Physics & Electronics , University of Jammu , Jammu and Kashmir 180 006 , India
| | - Rajni Kant
- X-ray Crystallography Laboratory, Post-Graduate Department of Physics & Electronics , University of Jammu , Jammu and Kashmir 180 006 , India
| | - Indresh Kumar
- Department of Chemistry , Birla Institute of Technology & Science , Pilani 333 031 , India
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28
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Dai J, Xiong D, Yuan T, Liu J, Chen T, Shao Z. Chiral Primary Amine Catalysis for Asymmetric Mannich Reactions of Aldehydes with Ketimines: Stereoselectivity and Reactivity. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201706304] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Jun Dai
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education, School of Chemical Science and Technology Yunnan University Kunming 650091 China
| | - Dan Xiong
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education, School of Chemical Science and Technology Yunnan University Kunming 650091 China
| | - Tengrui Yuan
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education, School of Chemical Science and Technology Yunnan University Kunming 650091 China
| | - Juan Liu
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education, School of Chemical Science and Technology Yunnan University Kunming 650091 China
| | - Tao Chen
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education, School of Chemical Science and Technology Yunnan University Kunming 650091 China
| | - Zhihui Shao
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education, School of Chemical Science and Technology Yunnan University Kunming 650091 China
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29
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Dai J, Xiong D, Yuan T, Liu J, Chen T, Shao Z. Chiral Primary Amine Catalysis for Asymmetric Mannich Reactions of Aldehydes with Ketimines: Stereoselectivity and Reactivity. Angew Chem Int Ed Engl 2017; 56:12697-12701. [PMID: 28786162 DOI: 10.1002/anie.201706304] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 07/17/2017] [Indexed: 01/01/2023]
Abstract
The application potential of primary amine catalysts in the context of Mannich reactions of aldehydes with ketimines is exemplified by isatin-derived ketimines and cyclic trifluoromethyl ketimines. Primary amine catalysts exhibit either unusual stereoselectivity or reactivity, which is not observable with secondary amine catalysts. Moreover, reversal of diastereofacial selectivity between primary and secondary amine catalysts is disclosed. These new reactions provide useful methods for the syntheses of chiral 3-substituted 3-amino-2-oxindoles and dihydroquinazolinones bearing a trifluoromethylated quaternary stereocenter. The synthetic utility of the reactions is demonstrated through the formal synthesis of AG-041R and DPC 083 and the total synthesis of (-)-psychotriasine.
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Affiliation(s)
- Jun Dai
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, China
| | - Dan Xiong
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, China
| | - Tengrui Yuan
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, China
| | - Juan Liu
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, China
| | - Tao Chen
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, China
| | - Zhihui Shao
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, China
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30
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Deng ZF, Huang B, Xu H, Shi F, Wang YQ. Highly Enantioselective Synthesis of 11-Substituted 10,11-Dihydrodibenzo[b,f
][1,4]thiazepines through a Proline-Catalyzed Mannich Reaction of Seven-Membered Cyclic Imines with Ketones. ASIAN J ORG CHEM 2017. [DOI: 10.1002/ajoc.201700283] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Zhuo-Fei Deng
- Provincial Key Laboratory of Natural Medicine and Immuno-Engineering; Henan University, Kaifeng; Henan 475004 P. R. China
| | - Bo Huang
- Provincial Key Laboratory of Natural Medicine and Immuno-Engineering; Henan University, Kaifeng; Henan 475004 P. R. China
| | - Huajing Xu
- School of Chemical and Pharmaceutical Engineering; Wuhan Institute of Technology; 693 Xiongchu Avenue, Wuhan Hubei 430073 P. R. China
| | - Feng Shi
- Provincial Key Laboratory of Natural Medicine and Immuno-Engineering; Henan University, Kaifeng; Henan 475004 P. R. China
| | - You-Qing Wang
- Provincial Key Laboratory of Natural Medicine and Immuno-Engineering; Henan University, Kaifeng; Henan 475004 P. R. China
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31
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Jang H, Romiti F, Torker S, Hoveyda AH. Catalytic diastereo- and enantioselective additions of versatile allyl groups to N-H ketimines. Nat Chem 2017; 9:1269-1275. [PMID: 29168479 DOI: 10.1038/nchem.2816] [Citation(s) in RCA: 94] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Accepted: 06/01/2017] [Indexed: 01/25/2023]
Abstract
There are many biologically active organic molecules that contain one or more nitrogen-containing moieties, and broadly applicable and efficient catalytic transformations that deliver them diastereoselectively and/or enantioselectively are much sought after. Various methods for enantioselective synthesis of α-secondary amines are available (for example, from additions to protected/activated aldimines), but those involving ketimines are much less common. There are no reported additions of carbon-based nucleophiles to unprotected/unactivated (or N-H) ketimines. Here, we report a catalytic, diastereo- and enantioselective three-component strategy for merging an N-H ketimine, a monosubstituted allene and B2(pin)2, affording products in up to 95% yield, >98% diastereoselectivity and >99:1 enantiomeric ratio. The utility of the approach is highlighted by synthesis of the tricyclic core of a class of compounds that have been shown to possess anti-Alzheimer activity. Stereochemical models developed with the aid of density functional theory calculations, which account for the observed trends and levels of enantioselectivity, are presented.
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Affiliation(s)
- Hwanjong Jang
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, USA
| | - Filippo Romiti
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, USA
| | - Sebastian Torker
- 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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32
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Pelagalli A, Pellacani L, Fioravanti S. In Pursuit of β-Amino-α-nitro-β-(trifluoromethyl) Ketones: Nitro-Mannich versus Mannich-Type Reactions. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700510] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Alessia Pelagalli
- Dipartimento di Chimica; Università degli Studi di Roma “La Sapienza”; P.le Aldo Moro 5 00185 Roma Italy
| | - Lucio Pellacani
- Dipartimento di Chimica; Università degli Studi di Roma “La Sapienza”; P.le Aldo Moro 5 00185 Roma Italy
| | - Stefania Fioravanti
- Dipartimento di Chimica; Università degli Studi di Roma “La Sapienza”; P.le Aldo Moro 5 00185 Roma Italy
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33
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Affiliation(s)
| | - Maryam Zirak
- Department
of Chemistry, Payame Noor University, Tehran 19395-3697, Iran
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34
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Cui XY, Duan HX, Zhang Y, Wang YQ. Asymmetric Mannich Reaction of Aryl Methyl Ketones with Cyclic Imines Benzo[e
][1,2,3]oxathiazine 2,2-Dioxides Catalyzed by Cinchona Alkaloid-based Primary Amines. Chem Asian J 2016; 11:3118-3125. [DOI: 10.1002/asia.201601149] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Xiao-Yu Cui
- Key Laboratory of Polyoxometalate Chemistry of Henan Province; Key Laboratory of Natural Medicine and Immuno-Engineering of Henan Province; College of Chemistry and Chemical Engineering; Henan University; Kaifeng Henan 475004 P. R. China
| | - Hui-Xin Duan
- Key Laboratory of Polyoxometalate Chemistry of Henan Province; Key Laboratory of Natural Medicine and Immuno-Engineering of Henan Province; College of Chemistry and Chemical Engineering; Henan University; Kaifeng Henan 475004 P. R. China
| | - Yongna Zhang
- Key Laboratory of Polyoxometalate Chemistry of Henan Province; Key Laboratory of Natural Medicine and Immuno-Engineering of Henan Province; College of Chemistry and Chemical Engineering; Henan University; Kaifeng Henan 475004 P. R. China
| | - You-Qing Wang
- Key Laboratory of Polyoxometalate Chemistry of Henan Province; Key Laboratory of Natural Medicine and Immuno-Engineering of Henan Province; College of Chemistry and Chemical Engineering; Henan University; Kaifeng Henan 475004 P. R. China
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35
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Lin S, Kumagai N, Shibasaki M. Direct Catalytic Asymmetric Mannich-type Reaction of α,β-Unsaturated γ-Butyrolactam with Ketimines. Chemistry 2016; 22:3296-3299. [DOI: 10.1002/chem.201600034] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Shaoquan Lin
- Institute of Microbial Chemistry (BIKAKEN), Tokyo; 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
| | - Naoya Kumagai
- Institute of Microbial Chemistry (BIKAKEN), Tokyo; 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
| | - Masakatsu Shibasaki
- Institute of Microbial Chemistry (BIKAKEN), Tokyo; 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
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36
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Wu LL, Xiang Y, Yang DC, Guan Z, He YH. Biocatalytic asymmetric Mannich reaction of ketimines using wheat germ lipase. Catal Sci Technol 2016. [DOI: 10.1039/c5cy01923k] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Wheat germ lipase (WGL) was used for the first time as a biocatalyst in asymmetric Mannich reaction of ketimines.
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Affiliation(s)
- Ling-Ling Wu
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- PR China
| | - Yang Xiang
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- PR China
| | - Da-Cheng Yang
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- PR China
| | - Zhi Guan
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- PR China
| | - Yan-Hong He
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- PR China
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37
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Nakamura S, Yamaji R, Hayashi M. Direct Enantioselective Vinylogous Mannich Reaction of Ketimines with γ-Butenolide by Using Cinchona Alkaloid Amide/Zinc(II) Catalysts. Chemistry 2015; 21:9615-8. [DOI: 10.1002/chem.201500599] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2015] [Indexed: 11/08/2022]
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38
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Kumagai N, Shibasaki M. Recent Advances in Catalytic Asymmetric C–C Bond-Forming Reactions to Ketimines Promoted by Metal-Based Catalysts. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2015. [DOI: 10.1246/bcsj.20140302] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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39
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Yang K, Jiang M, Liu JT. Synthesis of Chiral β-Aminomalonates from 2-Chlorotetrafluoroethanesulfinyl Aldimines through the Mannich Reaction. European J Org Chem 2015. [DOI: 10.1002/ejoc.201500134] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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40
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Wu L, Liu RR, Zhang G, Wang DJ, Wu H, Gao J, Jia YX. Enantioselective Construction of Cyclic Indolyl α-Amino Estersviaa Friedel-Crafts Alkylation Reaction. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201400987] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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41
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Zhang S, Li L, Hu Y, Zha Z, Wang Z, Loh TP. Bifunctional Amino Sulfonohydrazide Catalyzed Direct Asymmetric Mannich Reaction of Cyclic Ketimines with Ketones: Highly Diastereo- and Enantioselective Construction of Quaternary Carbon Stereocenters. Org Lett 2015; 17:1050-3. [DOI: 10.1021/acs.orglett.5b00196] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Sheng Zhang
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Lijun Li
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Yanbin Hu
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zhenggen Zha
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zhiyong Wang
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Teck-Peng Loh
- Hefei
National Laboratory for Physical Science at the Microscale and Department
of Chemistry, University of Sciences and Technology of China, Hefei, Anhui 230026, P. R. China
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42
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Zhao Z, Li R, Li Y, Wang G. Simple primary amine catalyzed aerobic reductive ring-cleavage of isoxazole motif. CHINESE JOURNAL OF CATALYSIS 2015. [DOI: 10.1016/s1872-2067(14)60200-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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43
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Wang YQ, Ren YY. Highly enantioselective direct Mannich reaction of seven-membered cyclic imines dibenzo[b,f][1,4]oxazepines with acetone via organocatalysis. CHINESE JOURNAL OF CATALYSIS 2015. [DOI: 10.1016/s1872-2067(14)60225-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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44
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Yu JS, Zhou J. A highly efficient Mukaiyama–Mannich reaction of N-Boc isatin ketimines and other active cyclic ketimines using difluoroenol silyl ethers catalyzed by Ph3PAuOTf. Org Biomol Chem 2015; 13:10968-72. [DOI: 10.1039/c5ob01895a] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A Ph3PAuOTf catalyzed highly efficient reaction of difluoroenoxysilanes and active ketimines is reported, which represents the first Au(i)-catalyzed Mukaiyama–Mannich reaction.
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Affiliation(s)
- Jin-Sheng Yu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- China
| | - Jian Zhou
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- China
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45
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Umezawa T, Sato A, Ameda Y, Casalme LO, Matsuda F. Synthetic study on dolastatin 16: concise and scalable synthesis of two unusual amino acid units. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2014.11.054] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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46
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Eftekhari-Sis B, Zirak M. Chemistry of α-oxoesters: a powerful tool for the synthesis of heterocycles. Chem Rev 2014; 115:151-264. [PMID: 25423283 DOI: 10.1021/cr5004216] [Citation(s) in RCA: 95] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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47
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Zhao J, Fang B, Luo W, Hao X, Liu X, Lin L, Feng X. Enantioselective Construction of Vicinal Tetrasubstituted Stereocenters by the Mannich Reaction of Silyl Ketene Imines with Isatin‐Derived Ketimines. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201408730] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jiannan Zhao
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Bing Fang
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Weiwei Luo
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Xiaoyu Hao
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Lili Lin
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin (China)
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48
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Zhao J, Fang B, Luo W, Hao X, Liu X, Lin L, Feng X. Enantioselective Construction of Vicinal Tetrasubstituted Stereocenters by the Mannich Reaction of Silyl Ketene Imines with Isatin‐Derived Ketimines. Angew Chem Int Ed Engl 2014; 54:241-4. [DOI: 10.1002/anie.201408730] [Citation(s) in RCA: 116] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 10/05/2014] [Indexed: 11/08/2022]
Affiliation(s)
- Jiannan Zhao
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Bing Fang
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Weiwei Luo
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Xiaoyu Hao
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Lili Lin
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin (China)
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49
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Ren YY, Wang YQ, Liu S, Pan K. Organocatalysed Asymmetric Direct Mannich Reaction of Acetophenone Derivatives and Dibenzo[b,f][1,4]oxazepines with Azetidine-2-carboxylic Acid. ChemCatChem 2014. [DOI: 10.1002/cctc.201402446] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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50
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Hayashi M, Iwanaga M, Shiomi N, Nakane D, Masuda H, Nakamura S. Direct Asymmetric Mannich-Type Reaction of α-Isocyanoacetates with Ketimines using Cinchona Alkaloid/Copper(II) Catalysts. Angew Chem Int Ed Engl 2014; 53:8411-5. [DOI: 10.1002/anie.201404629] [Citation(s) in RCA: 92] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2014] [Indexed: 11/08/2022]
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