1
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Sohtome Y, Sodeoka M. Theoretical Insights into the Substrate-Dependent Diastereodivergence in (3 + 2) Cycloaddition of α-Keto Ester Enolates with Nitrones. Chem Pharm Bull (Tokyo) 2022; 70:616-623. [DOI: 10.1248/cpb.c22-00041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Yoshihiro Sohtome
- Synthetic Organic Chemistry Laboratory, RIKEN Cluster for Pioneering Research
| | - Mikiko Sodeoka
- Catalysis and Integrated Research Group, RIKEN Center for Sustainable Resource Science
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2
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Yoon H, Lee J, Kang P, Choi SH. Promotion of 11/9‐helical folding in α/β‐peptides containing β
2
‐homoalanine residue. Pept Sci (Hoboken) 2021. [DOI: 10.1002/pep2.24244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Hyerim Yoon
- Department of Chemistry Yonsei University Seoul South Korea
| | - Jaeyeon Lee
- Department of Chemistry Yonsei University Seoul South Korea
| | - Philjae Kang
- Department of Chemistry Yonsei University Seoul South Korea
| | - Soo Hyuk Choi
- Department of Chemistry Yonsei University Seoul South Korea
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3
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Ezawa T, Sohtome Y, Hashizume D, Adachi M, Akakabe M, Koshino H, Sodeoka M. Dynamics in Catalytic Asymmetric Diastereoconvergent (3 + 2) Cycloadditions with Isomerizable Nitrones and α-Keto Ester Enolates. J Am Chem Soc 2021; 143:9094-9104. [PMID: 34107685 DOI: 10.1021/jacs.1c02833] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Reaction design in asymmetric catalysis has traditionally been predicated on a structurally robust scaffold in both substrates and catalysts, to reduce the number of possible diastereomeric transition states. Herein, we present the stereochemical dynamics in the Ni(II)-catalyzed diastereoconvergent (3 + 2) cycloadditions of isomerizable nitrile-conjugated nitrones with α-keto ester enolates. Even in the presence of multiple equilibrating species, the catalytic protocol displays a wide substrate scope to access a range of CN-containing building blocks bearing adjacent stereocenters with high enantio- and diastereoselectivities. Our computational investigations suggest that the enantioselectivity is governed in the deprotonation process to form (Z)-Ni-enolates, while the unique syn addition is mainly controlled by weak noncovalent bonding interactions between the nitrone and ligand.
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Affiliation(s)
- Tetsuya Ezawa
- Synthetic Organic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.,RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Yoshihiro Sohtome
- Synthetic Organic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.,RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Daisuke Hashizume
- RIKEN Center for Emergent Matter Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Masaya Adachi
- Synthetic Organic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Mai Akakabe
- Synthetic Organic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Hiroyuki Koshino
- Synthetic Organic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.,RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Mikiko Sodeoka
- Synthetic Organic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.,RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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4
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Thakur S, Das A, Das T. 1,3-Dipolar cycloaddition of nitrones: synthesis of multisubstituted, diverse range of heterocyclic compounds. NEW J CHEM 2021. [DOI: 10.1039/d1nj02023d] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The 1,3-dipolar cycloaddition reaction of nitrone is one of the most important methods for the synthesis of different sizes of heterocycles which have enormous applications in natural products, biologically active molecules and pharmaceuticals.
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Affiliation(s)
- Seema Thakur
- Department of Chemistry
- NIT Jamshedpur
- Jamshedpur 831014
- India
| | - Arunima Das
- Department of Chemistry
- NIT Jamshedpur
- Jamshedpur 831014
- India
| | - Tapas Das
- Department of Chemistry
- NIT Jamshedpur
- Jamshedpur 831014
- India
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5
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Xu J, Zhang X, Chen Z, Sun Z, Bian G, Song L. Facile access to chiral β-homoglutamic acid from 3-cyclohexene-carboxylic acid. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1802760] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Jing Xu
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, China
- The Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, China
| | - Xuebo Zhang
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, China
- The Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, China
| | - Zhongxiang Chen
- The Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, China
- The University of Chinese Academy of Sciences, Beijing, China
| | - Zhaofeng Sun
- The Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, China
- The University of Chinese Academy of Sciences, Beijing, China
| | - Guangling Bian
- The Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, China
- The University of Chinese Academy of Sciences, Beijing, China
| | - Ling Song
- The Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, China
- The University of Chinese Academy of Sciences, Beijing, China
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6
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Baldauf S, Ogunkoya AO, Boross GN, Bode JW. Aspartic Acid Forming α-Ketoacid–Hydroxylamine (KAHA) Ligations with (S)-4,4-Difluoro-5-oxaproline. J Org Chem 2019; 85:1352-1364. [DOI: 10.1021/acs.joc.9b02271] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Simon Baldauf
- Laboratorium für Organische Chemie, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland
| | - Ayodele O. Ogunkoya
- Laboratorium für Organische Chemie, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland
| | - Gábor N. Boross
- Laboratorium für Organische Chemie, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland
| | - Jeffrey W. Bode
- Laboratorium für Organische Chemie, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland
- Institute of Transformative Bio-Molecules (WPI−ITbM), Nagoya University, Chikusa, Nagoya 464-8602, Japan
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7
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Noda H, Shibasaki M. Recent Advances in the Catalytic Asymmetric Synthesis of β
2
‐ and β
2,2
‐Amino Acids. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901596] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Hidetoshi Noda
- Institute of Microbial Chemistry (BIKAKEN) 3–14–23 Kamiosaki, Shinagawa‐ku, Tokyo 141–0021 Tokyo Japan
| | - Masakatsu Shibasaki
- Institute of Microbial Chemistry (BIKAKEN) 3–14–23 Kamiosaki, Shinagawa‐ku, Tokyo 141–0021 Tokyo Japan
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8
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Zhou W, Xiao Q, Chang Y, Liu Q, Zang X, Hu M, Zeng X, Du Z, Zhong G. Substrate-controlled Diastereoselective Michael Addition of Alkylidene Malonates by Grignard Reagents. HETEROCYCL COMMUN 2019. [DOI: 10.1515/hc-2019-0019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
AbstractHerein is described a diastereoselective Michael addition of Grignard reagents to α, β- unsaturated diethyl malonates incorporated with a 2-oxazolidone chiral auxiliary. The catalyst-free Michael addition proceeds with good chemical efficiency and excellent stereoselectivity; and it provides new thoughts to the asymmetric synthesis of β-substituted β3 amino acid derivatives.
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Affiliation(s)
- Wei Zhou
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, 100 Waihuanxi Road, Guangzhou Higher Education Mega Center, Guangzhou510006, PR China
| | - Qingwei Xiao
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, 100 Waihuanxi Road, Guangzhou Higher Education Mega Center, Guangzhou510006, PR China
| | - Yuanyuan Chang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, 100 Waihuanxi Road, Guangzhou Higher Education Mega Center, Guangzhou510006, PR China
| | - Qifa Liu
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, 100 Waihuanxi Road, Guangzhou Higher Education Mega Center, Guangzhou510006, PR China
| | - Xiaohao Zang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, 100 Waihuanxi Road, Guangzhou Higher Education Mega Center, Guangzhou510006, PR China
| | - Mengmeng Hu
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, 100 Waihuanxi Road, Guangzhou Higher Education Mega Center, Guangzhou510006, PR China
| | - Xi Zeng
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, 100 Waihuanxi Road, Guangzhou Higher Education Mega Center, Guangzhou510006, PR China
| | - Zhiyun Du
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, 100 Waihuanxi Road, Guangzhou Higher Education Mega Center, Guangzhou510006, PR China
| | - Guifa Zhong
- Drug Discovery Pipeline, Institutes of Biomedicine and Health, Chinese Academy of Sciences, 190 Kaiyuan Avenue, Science Park, Guangzhou510530, PR China
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9
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Stepek IA, Cao T, Koetemann A, Shimura S, Wollscheid B, Bode JW. Antibiotic Discovery with Synthetic Fermentation: Library Assembly, Phenotypic Screening, and Mechanism of Action of β-Peptides Targeting Penicillin-Binding Proteins. ACS Chem Biol 2019; 14:1030-1040. [PMID: 30990649 DOI: 10.1021/acschembio.9b00227] [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
In analogy to biosynthetic pathways leading to bioactive natural products, synthetic fermentation generates mixtures of molecules from simple building blocks under aqueous, biocompatible conditions, allowing the resulting cultures to be directly screened for biological activity. In this work, a novel β-peptide antibiotic was successfully identified using the synthetic fermentation platform. Phenotypic screening was carried out in an initially random fashion, allowing simple identification of active cultures. Subsequent deconvolution, focused screening, and structure-activity relationship studies led to the identification of a potent antimicrobial peptide, showing strong selectivity for our model system Bacillus subtilis over human HEK293 cells. To determine the antibacterial mechanism of action, a peptide probe bearing a photoaffinity tag was readily synthesized through the use of appropriate synthetic fermentation building blocks and utilized for target identification using a quantitative mass spectrometry-based strategy. The chemoproteomic approach led to the identification of a number of bacterial membrane proteins as prospective targets. These findings were validated through binding affinity studies with penicillin-binding protein 4 using microscale thermophoresis, with the bioactive peptide showing a dissociation constant ( Kd) in the nanomolar range. Through these efforts, we provide a proof of concept for the synthetic fermentation approach presented here as a new strategy for the phenotypic discovery of novel bioactive compounds.
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Affiliation(s)
- Iain A. Stepek
- Laboratorium für Organische Chemie, Department of Chemistry and Applied Biosciences, ETH-Zürich, 8093 Zürich, Switzerland
| | - Trung Cao
- Laboratorium für Organische Chemie, Department of Chemistry and Applied Biosciences, ETH-Zürich, 8093 Zürich, Switzerland
| | - Anika Koetemann
- Department of Health Sciences and Technology, Institute of Molecular Systems Biology, and BioMedical Proteomics Platform (BMPP), ETH Zurich, 8093 Zurich, Switzerland
| | - Satomi Shimura
- Laboratorium für Organische Chemie, Department of Chemistry and Applied Biosciences, ETH-Zürich, 8093 Zürich, Switzerland
| | - Bernd Wollscheid
- Department of Health Sciences and Technology, Institute of Molecular Systems Biology, and BioMedical Proteomics Platform (BMPP), ETH Zurich, 8093 Zurich, Switzerland
| | - Jeffrey W. Bode
- Laboratorium für Organische Chemie, Department of Chemistry and Applied Biosciences, ETH-Zürich, 8093 Zürich, Switzerland
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Chikusa, Nagoya 464-8602, Japan
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10
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Vishe M, Johnston JN. The inverted ketene synthon: a double umpolung approach to enantioselective β 2,3-amino amide synthesis. Chem Sci 2019; 10:1138-1143. [PMID: 30774911 PMCID: PMC6349014 DOI: 10.1039/c8sc04330b] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Accepted: 11/11/2018] [Indexed: 12/29/2022] Open
Abstract
A stereocontrolled synthesis of β2,3-amino amides is reported. Innovation is encapsulated by the first use of nitroalkenes to achieve double umpolung in enantioselective β-amino amide synthesis. Step economy is also fulfilled by the use of Umpolung Amide Synthesis (UmAS) in the second step, delivering the amide product without intermediacy of a carboxylic acid or activated derivative. Molybdenum oxide-mediated hydride reduction provides the anti-β2,3-amino amide with high selectivity.
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Affiliation(s)
- Mahesh Vishe
- Department of Chemistry , Vanderbilt Institute of Chemical Biology Vanderbilt University , Nashville , Tennessee 37235 , USA .
| | - Jeffrey N Johnston
- Department of Chemistry , Vanderbilt Institute of Chemical Biology Vanderbilt University , Nashville , Tennessee 37235 , USA .
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11
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Stepek IA, Bode JW. Synthetic fermentation of bioactive molecules. Curr Opin Chem Biol 2018; 46:18-24. [PMID: 29627458 DOI: 10.1016/j.cbpa.2018.03.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 03/18/2018] [Accepted: 03/22/2018] [Indexed: 02/08/2023]
Abstract
The concept of synthetic fermentation is to 'grow' complex organic molecules in a controlled and predictable manner by combining small molecule building blocks in water-without the need for reagents, enzymes, or organisms. This approach mimics the production of small mixtures of structurally related natural products by living organisms, particularly microbes, under conditions compatible with direct screening of the cultures for biological activity. This review discusses the development and implementation of this concept, its use for the discovery of protease inhibitors, its basis as a chemistry outreach program allowing non-specialists to make and discover new antibiotics, and highlights of related approaches.
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Affiliation(s)
- Iain A Stepek
- Laboratorium für Organische Chemie, Department of Chemistry and Applied Biosciences, ETH-Zürich, 8093 Zürich, Switzerland
| | - Jeffrey W Bode
- Laboratorium für Organische Chemie, Department of Chemistry and Applied Biosciences, ETH-Zürich, 8093 Zürich, Switzerland; Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Chikusa, Nagoya 464-8602, Japan.
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12
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Nascimento de Oliveira M, Arseniyadis S, Cossy J. Palladium-Catalyzed Asymmetric Allylic Alkylation of 4-Substituted Isoxazolidin-5-ones: Straightforward Access to β2,2
-Amino Acids. Chemistry 2018; 24:4810-4814. [DOI: 10.1002/chem.201800641] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Indexed: 12/15/2022]
Affiliation(s)
- Marllon Nascimento de Oliveira
- Laboratoire de Chimie Organique; Institute of Chemistry, Biology and Innovation (CBI)-ESPCI; Paris/CNRS (UMR8231)/PSL* Research University; 10 rue Vauquelin 75231 Paris Cedex 05 France
| | - Stellios Arseniyadis
- Laboratoire de Chimie Organique; Institute of Chemistry, Biology and Innovation (CBI)-ESPCI; Paris/CNRS (UMR8231)/PSL* Research University; 10 rue Vauquelin 75231 Paris Cedex 05 France
- Queen Mary, University of London; School of Biological and Chemical Sciences; Mile End Road London E1 4NS UK
| | - Janine Cossy
- Laboratoire de Chimie Organique; Institute of Chemistry, Biology and Innovation (CBI)-ESPCI; Paris/CNRS (UMR8231)/PSL* Research University; 10 rue Vauquelin 75231 Paris Cedex 05 France
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13
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Zhang D, Yin C, Zhou Y, Xu Y, Lin L, Liu X, Feng X. Chiral N,N′-dioxide/Co(ii)-promoted asymmetric 1,3-dipolar cycloaddition of nitrones with methyleneindolinones. Chem Commun (Camb) 2017; 53:7925-7928. [DOI: 10.1039/c7cc03575f] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A chiral N,N′-dioxide/Co(ii) complex has been developed to efficiently catalyze the asymmetric 1,3-dipolar cycloaddition of nitrones with methyleneindolinones. The corresponding spiroisoxazolidines were obtained in high yields with excellent dr and ee values.
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Affiliation(s)
- Dong Zhang
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Chengkai Yin
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Yuhang Zhou
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Yali Xu
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Lili Lin
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
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14
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Cadart T, Berthonneau C, Levacher V, Perrio S, Brière JF. Enantioselective Phase-Transfer Catalyzed α-Sulfanylation of Isoxazolidin-5-ones: An Entry to β2,2-Amino Acid Derivatives. Chemistry 2016; 22:15261-15264. [DOI: 10.1002/chem.201603910] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Indexed: 12/18/2022]
Affiliation(s)
- Timothée Cadart
- Normandie Univ; INSA Rouen; UNIROUEN, CNRS, COBRA (UMR 6014); 76000 Rouen France
| | - Clément Berthonneau
- Normandie Univ; INSA Rouen; UNIROUEN, CNRS, COBRA (UMR 6014); 76000 Rouen France
| | - Vincent Levacher
- Normandie Univ; INSA Rouen; UNIROUEN, CNRS, COBRA (UMR 6014); 76000 Rouen France
| | - Stéphane Perrio
- Normandie Univ; ENSICAEN; UNICAEN, CNRS, LCMT; 14000 Caen France
| | - Jean-François Brière
- Normandie Univ; INSA Rouen; UNIROUEN, CNRS, COBRA (UMR 6014); 76000 Rouen France
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15
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Longobardo L, DellaGreca M, de Paola I. A practical route to β(2,3)-amino acids with alkyl side chains. SPRINGERPLUS 2015; 4:553. [PMID: 26435899 PMCID: PMC4583557 DOI: 10.1186/s40064-015-1351-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Accepted: 09/16/2015] [Indexed: 11/10/2022]
Abstract
Enantiopure N(Boc)-β3-amino nitriles, valuable synthetic intermediates in the multistep homologation of α-amino acids, were alkylated using n-BuLi as base. Alkylations afforded easily separable, almost equimolecular mixtures of diastereomeric N(Boc)-protected syn and anti β2,3-amino nitriles. Suitable manipulations of both cyano and amino groups eventually led to enantiopure N- and/or C-protected β2,3-amino acids. For example, methanolysis using conc. HCl gas in MeOH, provides C-protected β2,3 amino acids in excellent yields. This methodology is applied to the synthesis of a series N(Boc)-β2,3-dialkyl amino nitriles derived from l-phenylalanine, d-phenylalanine, l-valine and one C-protected β2,3 amino acid. We demonstrate an efficient procedure for the preparation of anti and syn β2,3-amino acids with alkyl side chains, from α-amino acids in reasonable yields.
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Affiliation(s)
- Luigi Longobardo
- Dipartimento di Scienze Chimiche, Università degli Studi di Napoli Federico II, Via Cinthia 4, 80126 Naples, Italy
| | - Marina DellaGreca
- Dipartimento di Scienze Chimiche, Università degli Studi di Napoli Federico II, Via Cinthia 4, 80126 Naples, Italy
| | - Ivan de Paola
- Dipartimento delle Scienze Biologiche, Università degli Studi di Napoli Federico II, Via Mezzocannone 16, 80134 Naples, Italy
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16
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Shpak-Kraievskyi P, Mankou Makaya A, Beauchard A, Martel A, Laurent MY, Dujardin G. [3+2] Route to Quaternary Oxaprolinol Derivatives as Masked Precursors of Disubstituted β3,β3-Amino Aldehyde. European J Org Chem 2015. [DOI: 10.1002/ejoc.201500339] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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17
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Kiss L, Cherepanova M, Fülöp F. Recent advances in the stereoselective syntheses of acyclic disubstituted β2,3-amino acids. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.01.060] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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18
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Murar CE, Thuaud F, Bode JW. KAHA Ligations That Form Aspartyl Aldehyde Residues as Synthetic Handles for Protein Modification and Purification. J Am Chem Soc 2014; 136:18140-8. [DOI: 10.1021/ja511231f] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Claudia E. Murar
- Laboratorium
für Organische Chemie, Department of Chemistry and Applied
Biosciences, ETH−Zürich, 8093 Zürich, Switzerland
| | - Frédéric Thuaud
- Laboratorium
für Organische Chemie, Department of Chemistry and Applied
Biosciences, ETH−Zürich, 8093 Zürich, Switzerland
- Institute
of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Chikusa, Nagoya 464-8602, Japan
| | - Jeffrey W. Bode
- Laboratorium
für Organische Chemie, Department of Chemistry and Applied
Biosciences, ETH−Zürich, 8093 Zürich, Switzerland
- Institute
of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Chikusa, Nagoya 464-8602, Japan
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19
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Synthetic fermentation of bioactive non-ribosomal peptides without organisms, enzymes or reagents. Nat Chem 2014; 6:877-84. [DOI: 10.1038/nchem.2048] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2014] [Accepted: 07/28/2014] [Indexed: 12/28/2022]
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20
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Chakrabarty S, Chatterjee I, Wibbeling B, Daniliuc CG, Studer A. Stereospecific Formal [3+2] Dipolar Cycloaddition of Cyclopropanes with Nitrosoarenes: An Approach to Isoxazolidines. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201400885] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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21
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Chakrabarty S, Chatterjee I, Wibbeling B, Daniliuc CG, Studer A. Stereospecific Formal [3+2] Dipolar Cycloaddition of Cyclopropanes with Nitrosoarenes: An Approach to Isoxazolidines. Angew Chem Int Ed Engl 2014; 53:5964-8. [DOI: 10.1002/anie.201400885] [Citation(s) in RCA: 129] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Revised: 03/10/2014] [Indexed: 12/16/2022]
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22
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Chiang YL, Russak JA, Carrillo N, Bode JW. Synthesis of Enantiomerically Pure Isoxazolidine Monomers for the Preparation ofβ3-Oligopeptides by Iterativeα-Keto AcidHydroxylamine (KAHA) Ligations. Helv Chim Acta 2012. [DOI: 10.1002/hlca.201200484] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Gerfaud T, Chiang YL, Kreituss I, Russak JA, Bode JW. Enantioselective, Chromatography-Free Synthesis of β3-Amino Acids with Natural and Unnatural Side Chains. Org Process Res Dev 2012. [DOI: 10.1021/op300069n] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Thibaud Gerfaud
- Laboratorium für
Organische Chemie, Department
of Chemistry and Applied Biosciences, ETH−Zürich, Wolfgang Pauli Strasse 10, 8093 Zürich, Switzerland
| | - Ying-Ling Chiang
- Laboratorium für
Organische Chemie, Department
of Chemistry and Applied Biosciences, ETH−Zürich, Wolfgang Pauli Strasse 10, 8093 Zürich, Switzerland
| | - Imants Kreituss
- Laboratorium für
Organische Chemie, Department
of Chemistry and Applied Biosciences, ETH−Zürich, Wolfgang Pauli Strasse 10, 8093 Zürich, Switzerland
| | - Justin A. Russak
- Laboratorium für
Organische Chemie, Department
of Chemistry and Applied Biosciences, ETH−Zürich, Wolfgang Pauli Strasse 10, 8093 Zürich, Switzerland
| | - Jeffrey W. Bode
- Laboratorium für
Organische Chemie, Department
of Chemistry and Applied Biosciences, ETH−Zürich, Wolfgang Pauli Strasse 10, 8093 Zürich, Switzerland
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Pattabiraman VR, Ogunkoya AO, Bode JW. Chemical Protein Synthesis by Chemoselective α-Ketoacid-Hydroxylamine (KAHA) Ligations with 5-Oxaproline. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201200907] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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25
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Pattabiraman VR, Ogunkoya AO, Bode JW. Chemical Protein Synthesis by Chemoselective α-Ketoacid-Hydroxylamine (KAHA) Ligations with 5-Oxaproline. Angew Chem Int Ed Engl 2012; 51:5114-8. [DOI: 10.1002/anie.201200907] [Citation(s) in RCA: 102] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2012] [Indexed: 12/22/2022]
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27
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Geng ZC, Li N, Chen J, Huang XF, Wu B, Liu GG, Wang XW. Enantioselective synthesis of optically active cis-β-thio-α-amino acid derivatives through an organocatalytic cascade thio-Michael/ring opening process. Chem Commun (Camb) 2012; 48:4713-5. [DOI: 10.1039/c2cc30799e] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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28
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W. Bode J, Narumi T. α,α-Dichloroisoxazolidinones for the Synthesis and Chemoselective Peptide Ligation of α-Peptide α-Ketoacids. HETEROCYCLES 2010. [DOI: 10.3987/com-10-s(e)106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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