1
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Larghi EL, Bracca ABJ, Simonetti SO, Kaufman TS. Recent developments in the total synthesis of natural products using the Ugi multicomponent reactions as the key strategy. Org Biomol Chem 2024; 22:429-465. [PMID: 38126459 DOI: 10.1039/d3ob01837g] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
The total syntheses of selected natural products using different versions of the Ugi multicomponent reaction is reviewed on a case-by-case basis. The revision covers the period 2008-2023 and includes detailed descriptions of the synthetic sequences, the use of state-of-the-art chemical reagents and strategies, as well as the advantages and limitations of the transformation and some remedial solutions. Relevant data on the isolation and bioactivity of the different natural targets are also briefly provided. The examples clearly evidence the strategic importance of this transformation and its key role in the modern natural products synthetic chemistry toolbox. This methodology proved to be a valuable means for easily building molecular complexity and efficiently delivering step-economic syntheses even of intricate structures, with a promising future.
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Affiliation(s)
- Enrique L Larghi
- Instituto de Química Rosario (IQUIR, CONICET-UNR) and Facultad de Ciencias Bioquímicas y Farmacéuticas - Universidad Nacional de Rosario, Suipacha 531 (2000), Rosario, Argentina.
| | - Andrea B J Bracca
- Instituto de Química Rosario (IQUIR, CONICET-UNR) and Facultad de Ciencias Bioquímicas y Farmacéuticas - Universidad Nacional de Rosario, Suipacha 531 (2000), Rosario, Argentina.
| | - Sebastián O Simonetti
- Instituto de Química Rosario (IQUIR, CONICET-UNR) and Facultad de Ciencias Bioquímicas y Farmacéuticas - Universidad Nacional de Rosario, Suipacha 531 (2000), Rosario, Argentina.
| | - Teodoro S Kaufman
- Instituto de Química Rosario (IQUIR, CONICET-UNR) and Facultad de Ciencias Bioquímicas y Farmacéuticas - Universidad Nacional de Rosario, Suipacha 531 (2000), Rosario, Argentina.
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2
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Rivera DG, Ojeda-Carralero GM, Reguera L, Van der Eycken EV. Peptide macrocyclization by transition metal catalysis. Chem Soc Rev 2020; 49:2039-2059. [PMID: 32142086 DOI: 10.1039/c9cs00366e] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Peptide macrocyclization has traditionally relied on lactam, lactone and disulfide bond-forming reactions that aim at introducing conformational constraints into small peptide sequences. With the advent of ruthenium-catalyzed ring-closing metathesis and copper-catalyzed alkyne-azide cycloaddition, peptide chemists embraced transition metal catalysis as a powerful macrocyclization tool with relevant applications in chemical biological and peptide drug discovery. This article provides a comprehensive overview of the reactivity and methodological diversification of metal-catalyzed peptide macrocyclization as a special class of late-stage peptide derivatization method. We report the evolution from classic palladium-catalyzed cross-coupling approaches to more modern oxidative versions based on C-H activation, heteroatom alkylation/arylation and annulation processes, in which aspects such as chemoselectivity and diversity generation at the ring-closing moiety became dominant over the last years. The transit from early cycloadditions and alkyne couplings as ring-closing steps to very recent 3d metal-catalyzed macrocyclization methods is highlighted. Similarly, the new trends in decarboxylative radical macrocyclizations and the interplay between photoredox and transition metal catalysis are included. This review charts future perspectives in the field hoping to encourage further progress and applications, while bringing attention to the countless possibilities available by diversifying not only the metal, but also the reactivity modes and tactics to bring peptide functional groups together and produce structurally diverse macrocycles.
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Affiliation(s)
- Daniel G Rivera
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001 Leuven, Belgium. and Center for Natural Product Research, Faculty of Chemistry, University of Havana, Zapata y G, Havana 10400, Cuba.
| | - Gerardo M Ojeda-Carralero
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001 Leuven, Belgium. and Center for Natural Product Research, Faculty of Chemistry, University of Havana, Zapata y G, Havana 10400, Cuba.
| | - Leslie Reguera
- Center for Natural Product Research, Faculty of Chemistry, University of Havana, Zapata y G, Havana 10400, Cuba.
| | - Erik V Van der Eycken
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001 Leuven, Belgium. and Peoples' Friendship University of Russia (RUDN University), Miklukho-Maklaya Street 6, 117198 Moscow, Russia
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3
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Singla P, Salunke DB. Recent advances in steroid amino acid conjugates: Old scaffolds with new dimensions. Eur J Med Chem 2020; 187:111909. [PMID: 31830636 DOI: 10.1016/j.ejmech.2019.111909] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2019] [Revised: 11/20/2019] [Accepted: 11/22/2019] [Indexed: 12/13/2022]
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4
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Reguera L, Attorresi CI, Ramírez JA, Rivera DG. Steroid diversification by multicomponent reactions. Beilstein J Org Chem 2019; 15:1236-1256. [PMID: 31293671 PMCID: PMC6604710 DOI: 10.3762/bjoc.15.121] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 05/14/2019] [Indexed: 12/19/2022] Open
Abstract
Reports on structural diversification of steroids by means of multicomponent reactions (MCRs) have significantly increased over the last decade. This review covers the most relevant strategies dealing with the use of steroidal substrates in MCRs, including the synthesis of steroidal heterocycles and macrocycles as well as the conjugation of steroids to amino acids, peptides and carbohydrates. We demonstrate that steroids are available with almost all types of MCR reactive functionalities, e.g., carbonyl, carboxylic acid, alkyne, amine, isocyanide, boronic acid, etc., and that steroids are suitable starting materials for relevant MCRs such as those based on imine and isocyanide. The focus is mainly posed on proving the amenability of MCRs for the diversity-oriented derivatization of naturally occurring steroids and the construction of complex steroid-based platforms for drug discovery, chemical biology and supramolecular chemistry applications.
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Affiliation(s)
- Leslie Reguera
- Center for Natural Product Research, Faculty of Chemistry, University of Havana, Zapata y G, Havana 10400, Cuba
| | - Cecilia I Attorresi
- Departamento de Química Orgánica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Ciudad Universitaria, Ciudad Autónoma de Buenos Aires, C1428EGA, Argentina.,CONICET - Universidad de Buenos Aires. Unidad de Microanálisis y Métodos Físicos Aplicados a Química Orgánica (UMYMFOR). Ciudad Universitaria, Ciudad Autónoma de Buenos Aires, C1428EGA, Argentina
| | - Javier A Ramírez
- Departamento de Química Orgánica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Ciudad Universitaria, Ciudad Autónoma de Buenos Aires, C1428EGA, Argentina.,CONICET - Universidad de Buenos Aires. Unidad de Microanálisis y Métodos Físicos Aplicados a Química Orgánica (UMYMFOR). Ciudad Universitaria, Ciudad Autónoma de Buenos Aires, C1428EGA, Argentina
| | - Daniel G Rivera
- Center for Natural Product Research, Faculty of Chemistry, University of Havana, Zapata y G, Havana 10400, Cuba
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5
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Junior EFC, Guimarães CFRC, Franco LL, Alves RJ, Kato KC, Martins HR, de Souza Filho JD, Bemquerer MP, Munhoz VHO, Resende JM, Verly RM. Glycotriazole-peptides derived from the peptide HSP1: synergistic effect of triazole and saccharide rings on the antifungal activity. Amino Acids 2017; 49:1389-1400. [PMID: 28573520 DOI: 10.1007/s00726-017-2441-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2016] [Accepted: 05/22/2017] [Indexed: 12/21/2022]
Abstract
This work proposes a strategy that uses solid-phase peptide synthesis associated with copper(I)-catalyzed azide alkyne cycloaddition reaction to promote the glycosylation of an antimicrobial peptide (HSP1) containing a carboxyamidated C-terminus (HSP1-NH2). Two glycotriazole-peptides, namely [p-Glc-trz-G1]HSP1-NH2 and [p-GlcNAc-trz-G1]HSP1-NH2, were prepared using per-O-acetylated azide derivatives of glucose and N-acetylglucosamine in the presence of copper(II) sulfate pentahydrate (CuSO4·5H2O) and sodium ascorbate as a reducing agent. In order to investigate the synergistic action of the carbohydrate motif linked to the triazole-peptide structure, a triazole derivative [trz-G1]HSP1-NH2 was also prepared. A set of biophysical approaches such as DLS, Zeta Potential, SPR and carboxyfluorescein leakage from phospholipid vesicles confirmed higher membrane disruption and lytic activities as well as stronger peptide-LUVs interactions for the glycotriazole-peptides when compared to HSP1-NH2 and to its triazole derivative, which is in accordance with the performed biological assays: whereas HSP1-NH2 presents relatively low and [trz-G1]HSP1-NH2 just moderate fungicidal activity, the glycotriazole-peptides are significantly more effective antifungal agents. In addition, the glycotriazole-peptides and the triazole derivative present strong inhibition effects on ergosterol biosynthesis in Candida albicans, when compared to HSP1-NH2 alone. In conclusion, the increased fungicidal activity of the glycotriazole-peptides seems to be the result of (A) more pronounced membrane-disruptive properties, which is related to the presence of a saccharide ring, together with (B) the inhibition of ergosterol biosynthesis, which seems to be related to the presence of both the monosaccharide and the triazole rings.
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Affiliation(s)
- Eduardo F C Junior
- Departamento de Química, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, 39100-000, Brazil
| | - Carlos F R C Guimarães
- Departamento de Química, Universidade Federal de Minas Gerais, PO Box 486, Belo Horizonte, MG, 31270-901, Brazil
| | - Lucas L Franco
- Faculdade de Farmácia, Universidade Federal de Minas Gerais, PO Box 486, Belo Horizonte, MG, 31270-901, Brazil
| | - Ricardo J Alves
- Faculdade de Farmácia, Universidade Federal de Minas Gerais, PO Box 486, Belo Horizonte, MG, 31270-901, Brazil
| | - Kelly C Kato
- Faculdade de Farmácia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, 39100-000, Brazil
| | - Helen R Martins
- Faculdade de Farmácia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, 39100-000, Brazil
| | - José D de Souza Filho
- Departamento de Química, Universidade Federal de Minas Gerais, PO Box 486, Belo Horizonte, MG, 31270-901, Brazil
| | - Marcelo P Bemquerer
- Laboratório de Espectrometria de Massa, Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA)-Recursos Genéticos e Biotecnologia, Estação Parque Biológico, Final W5, Asa Norte, Brasília, DF, 70770-900, Brazil
| | - Victor H O Munhoz
- Instituto de Ciência e Tecnologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, 39100-000, Brazil
| | - Jarbas M Resende
- Departamento de Química, Universidade Federal de Minas Gerais, PO Box 486, Belo Horizonte, MG, 31270-901, Brazil
| | - Rodrigo M Verly
- Departamento de Química, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, 39100-000, Brazil.
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6
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Ruiz García Y, Iyer A, Van Lysebetten D, Pabon YV, Louage B, Honcharenko M, De Geest BG, Smith CIE, Strömberg R, Madder A. Sequence-selective DNA recognition and enhanced cellular up-take by peptide-steroid conjugates. Chem Commun (Camb) 2016; 51:17552-5. [PMID: 26477302 DOI: 10.1039/c5cc07097j] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Several GCN4 bZIP TF models have previously been designed and synthesized. However, the synthetic routes towards these constructs are typically tedious and difficult. We here describe the substitution of the Leucine zipper domain of the protein by a deoxycholic acid derivative appending the two GCN4 binding region peptides through an optimized double azide-alkyne cycloaddition click reaction. In addition to achieving sequence specific dsDNA binding, we have investigated the potential of these compounds to enter cells. Confocal microscopy and flow cytometry show the beneficial influence of the steroid on cell uptake. This unique synthetic model of the bZIP TF thus combines sequence specific dsDNA binding properties with enhanced cell-uptake. Given the unique properties of deoxycholic acid and the convergent nature of the synthesis, we believe this work represents a key achievement in the field of TF mimicry.
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Affiliation(s)
- Yara Ruiz García
- Organic and Biomimetic Chemistry Research Group, Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281 (S4), B-9000 Ghent, Belgium.
| | - Abhishek Iyer
- Organic and Biomimetic Chemistry Research Group, Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281 (S4), B-9000 Ghent, Belgium.
| | - Dorien Van Lysebetten
- Organic and Biomimetic Chemistry Research Group, Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281 (S4), B-9000 Ghent, Belgium.
| | - Y Vladimir Pabon
- Clinical Research Center, Department of Laboratory Medicine, Karolinska University Hospital Huddinge, SE-141 86, Stockholm, Sweden.
| | - Benoit Louage
- Department of Pharmaceutics, Ghent University, Harelbekestraat 72, 9000 Ghent, Belgium.
| | - Malgorzata Honcharenko
- Department of Biosciences and Nutrition (BioNut), H2. Karolinska Institutet, Novum 141 83 Huddinge, Stockholm, Sweden.
| | - Bruno G De Geest
- Department of Pharmaceutics, Ghent University, Harelbekestraat 72, 9000 Ghent, Belgium.
| | - C I Edvard Smith
- Clinical Research Center, Department of Laboratory Medicine, Karolinska University Hospital Huddinge, SE-141 86, Stockholm, Sweden.
| | - Roger Strömberg
- Department of Biosciences and Nutrition (BioNut), H2. Karolinska Institutet, Novum 141 83 Huddinge, Stockholm, Sweden.
| | - Annemieke Madder
- Organic and Biomimetic Chemistry Research Group, Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281 (S4), B-9000 Ghent, Belgium.
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7
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Synthesis and evaluation of novel 1,2,3-triazole-based acetylcholinesterase inhibitors with neuroprotective activity. Bioorg Med Chem Lett 2016; 26:3881-5. [DOI: 10.1016/j.bmcl.2016.07.017] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Revised: 07/04/2016] [Accepted: 07/06/2016] [Indexed: 12/26/2022]
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8
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Wessjohann LA, Morejón MC, Ojeda GM, Rhoden CRB, Rivera DG. Applications of Convertible Isonitriles in the Ligation and Macrocyclization of Multicomponent Reaction-Derived Peptides and Depsipeptides. J Org Chem 2016; 81:6535-45. [PMID: 27390908 DOI: 10.1021/acs.joc.6b01150] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Peptide ligation and macrocyclization are among the most relevant approaches in the field of peptide chemistry. Whereas a variety of strategies relying on coupling reagents and native chemical ligation are available, there is a continuous need for efficient peptide ligation and cyclization methods. Herein we report on the utilization of convertible isonitriles as effective synthetic tools for the ligation and macrocyclization of peptides arising from isocyanide-based multicomponent reactions. The strategy relies on the use of convertible isonitriles-derived from Fukuyama amines-and peptide carboxylic acids in Ugi and Passerini reactions to afford N-alkylated peptides and depsipeptides, respectively, followed by conversion of the C-terminal amide onto either N-peptidoacyl indoles or pyrroles. Such activated peptides proved efficient in the ligation to peptidic, lipidic and fluorescently labeled amines and in macrocyclization protocols. As a result, a wide set of N-substituted peptides (with methyl, glycosyl and amino acids as N-substituents), cyclic N-methylated peptides and a depsipeptide were produced in good yields using conditions that involve either classical heating or microwave irradiation. This report improves the repertoire of peptide covalent modification methods by exploiting the synthetic potential of multicomponent reactions and convertible isonitriles.
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Affiliation(s)
- Ludger A Wessjohann
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry , Weinberg 3, 06120, Halle/Saale, Germany
| | - Micjel C Morejón
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry , Weinberg 3, 06120, Halle/Saale, Germany
| | - Gerardo M Ojeda
- Center for Natural Products Research, Faculty of Chemistry, University of Havana , Zapata y G, 10400, La Habana, Cuba
| | - Cristiano R B Rhoden
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry , Weinberg 3, 06120, Halle/Saale, Germany
| | - Daniel G Rivera
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry , Weinberg 3, 06120, Halle/Saale, Germany
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9
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Kacprzak K, Skiera I, Piasecka M, Paryzek Z. Alkaloids and Isoprenoids Modification by Copper(I)-Catalyzed Huisgen 1,3-Dipolar Cycloaddition (Click Chemistry): Toward New Functions and Molecular Architectures. Chem Rev 2016; 116:5689-743. [DOI: 10.1021/acs.chemrev.5b00302] [Citation(s) in RCA: 176] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Karol Kacprzak
- Bioorganic Chemistry Department, Faculty of Chemistry, Adam Mickiewicz University, Ul. Umultowska 89b, 61-614 Poznań, Poland
| | - Iwona Skiera
- Bioorganic Chemistry Department, Faculty of Chemistry, Adam Mickiewicz University, Ul. Umultowska 89b, 61-614 Poznań, Poland
| | - Monika Piasecka
- Bioorganic Chemistry Department, Faculty of Chemistry, Adam Mickiewicz University, Ul. Umultowska 89b, 61-614 Poznań, Poland
| | - Zdzisław Paryzek
- Bioorganic Chemistry Department, Faculty of Chemistry, Adam Mickiewicz University, Ul. Umultowska 89b, 61-614 Poznań, Poland
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10
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Coffey SB, Aspnes G, Londregan AT. Expedient Synthesis of N1-Substituted Triazole Peptidomimetics. ACS COMBINATORIAL SCIENCE 2015; 17:706-9. [PMID: 26562078 DOI: 10.1021/acscombsci.5b00150] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
A general procedure for the rapid diversification of peptide scaffolds is described. A one-pot click reaction between a peptide-alkyne and a series of in situ generated aryl/alkyl azides affords novel N1-substituted triazole peptidomimetics. This transformation is of broad scope, operates under mild conditions, and is parallel chemical synthesis compatible.
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Affiliation(s)
- Steven B. Coffey
- Pfizer Worldwide Medicinal Chemistry, Eastern Point Road, Groton, Connecticut 06340, United States
| | - Gary Aspnes
- Pfizer Worldwide Medicinal Chemistry, Eastern Point Road, Groton, Connecticut 06340, United States
- Pfizer Worldwide Medicinal Chemistry, 610 Main Street, Cambridge, Massachusetts 02139, United States
| | - Allyn T. Londregan
- Pfizer Worldwide Medicinal Chemistry, Eastern Point Road, Groton, Connecticut 06340, United States
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11
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Audran G, Brémond P, El Abed D, Marque SRA, Siri D, Santelli M. Computational Studies on Intramolecular Cycloadditions of Azidoenynes and Azidobutenenitriles to Give 6 H-Pyrrolo[1,2- c][1,2,3]triazoles and 5 H-Pyrrolo[1,2- d]tetrazoles. Helv Chim Acta 2015. [DOI: 10.1002/hlca.201500003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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12
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Singh DP, Allam BK, Singh KN, Singh VP. Binuclear Cu(I) complex of (N′1E,N′2E)-N′1,N′2-bis(phenyl(pyridin-2-yl)methylene)oxalohydrazide: Synthesis, crystal structure and catalytic activity for the synthesis of 1,2,3-triazoles. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.molcata.2014.12.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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13
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Chavez-Acevedo L, Miranda LD. Synthesis of novel tryptamine-based macrocycles using an Ugi 4-CR/microwave assisted click-cycloaddition reaction protocol. Org Biomol Chem 2015; 13:4408-12. [DOI: 10.1039/c5ob00067j] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
A practical synthesis of novel tryptamine-based macrocycles using an Ugi 4-CR/click-cycloaddition sequential reaction protocol is described.
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Affiliation(s)
- Lizbeth Chavez-Acevedo
- Instituto de Química
- Universidad Nacional Autónoma de México
- Circuito Exterior S.N
- Ciudad Universitaria
- Coyoacán
| | - Luis D. Miranda
- Instituto de Química
- Universidad Nacional Autónoma de México
- Circuito Exterior S.N
- Ciudad Universitaria
- Coyoacán
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14
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Rivera DG, Vasco AV, Echemendía R, Concepción O, Pérez CS, Gavín JA, Wessjohann LA. A Multicomponent Conjugation Strategy to UniqueN-Steroidal Peptides: First Evidence of the Steroidal Nucleus as a β-Turn Inducer in Acyclic Peptides. Chemistry 2014; 20:13150-61. [DOI: 10.1002/chem.201403773] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2014] [Indexed: 01/14/2023]
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15
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Ali A, Corrêa AG, Alves D, Zukerman-Schpector J, Westermann B, Ferreira MAB, Paixão MW. An efficient one-pot strategy for the highly regioselective metal-free synthesis of 1,4-disubstituted-1,2,3-triazoles. Chem Commun (Camb) 2014; 50:11926-9. [DOI: 10.1039/c4cc04678a] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A simple and efficient metal-free methodology for the regioselective synthesis of 1,4-disubstituted-1,2,3-triazoles by applying a novel inverse electron-demand-1,3-dipolar cycloaddition approach has been developed.
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Affiliation(s)
- Akbar Ali
- Department of Chemistry
- Universidade Federal de São Carlos (UFSCar)
- São Carlos, Brazil
| | - Arlene G. Corrêa
- Department of Chemistry
- Universidade Federal de São Carlos (UFSCar)
- São Carlos, Brazil
| | - Diego Alves
- Department of Chemistry
- Universidade Federal de Pelotas (UFPel)
- Pelotas, Brazil
| | | | - Bernhard Westermann
- Department of Bioorganic Chemistry
- Leibniz-Institute of Plant Biochemistry
- Halle, Germany
| | - Marco A. B. Ferreira
- Department of Chemistry
- Universidade Federal de São Carlos (UFSCar)
- São Carlos, Brazil
| | - Márcio W. Paixão
- Department of Chemistry
- Universidade Federal de São Carlos (UFSCar)
- São Carlos, Brazil
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