1
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Jwad R, Weissberger D, Hunter L. Strategies for Fine-Tuning the Conformations of Cyclic Peptides. Chem Rev 2020; 120:9743-9789. [PMID: 32786420 DOI: 10.1021/acs.chemrev.0c00013] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Cyclic peptides are promising scaffolds for drug development, attributable in part to their increased conformational order compared to linear peptides. However, when optimizing the target-binding or pharmacokinetic properties of cyclic peptides, it is frequently necessary to "fine-tune" their conformations, e.g., by imposing greater rigidity, by subtly altering certain side chain vectors, or by adjusting the global shape of the macrocycle. This review systematically examines the various types of structural modifications that can be made to cyclic peptides in order to achieve such conformational control.
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Affiliation(s)
- Rasha Jwad
- Department of Chemistry, College of Science, Al-Nahrain University, Baghdad, Iraq
| | - Daniel Weissberger
- School of Chemistry, University of New South Wales (UNSW) Sydney, New South Wales 2052, Australia
| | - Luke Hunter
- School of Chemistry, University of New South Wales (UNSW) Sydney, New South Wales 2052, Australia
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2
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Frydrych R, Ślepokura K, Bil A, Gregoliński J. Mixed Macrocycles Derived from 2,6-Diformylpyridine and Opposite Enantiomers of trans-1,2-Diaminocyclopentane and trans-1,2-Diaminocyclohexane. J Org Chem 2019; 84:5695-5711. [PMID: 30966752 DOI: 10.1021/acs.joc.9b00614] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The condensation reaction of 2,6-diformylpyridine with an equimolar mixture of opposite enantiomers of trans-1,2-diaminocyclopentane and trans-1,2-diaminocyclohexane using a dynamic combinatorial chemistry approach has been examined. In nonmetal-templated reactions, depending on reaction conditions, mixed 2 + 1 + 1 macrocyclic imine or bigger mixed 4 + 2 + 2 imine macrocycle are formed selectively. The 2 + 1 + 1 imine used as a precursor in the templated by CdII ions produces a library of enlarged chiral mixed imines coordinated with metal cations among which the hexanuclear CdII complex of 6 + 3 + 3 imine was isolated and characterized. All macrocyclic imine compounds have been reduced to the corresponding macrocyclic amines, which have been further transformed into their hydrochlorides. Each macrocyclic compound has been obtained as two enantiomers. For imine macrocycles and for the hydrochloride derivatives of macrocyclic amines, their X-ray crystal structures have been determined. In particular, the crystals of protonated 4 + 2 + 2 macrocyclic amine, which contains two types of diastereomeric cations differing in terms of inverted twists of pyridine moieties, and hexanuclear CdII complex of 6 + 3 + 3 imine, which gives a deeper insight into the expansion reaction, have been investigated. A heterochiral self-sorting of 2 + 2 and 2 + 1 + 1 macrocyclic imines has been confirmed by a competition reaction of 2,6-diformylpyridine, racemic trans-1,2-diaminocyclopentane, and racemic trans-1,2-diaminocyclohexane and theoretical calculations.
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Affiliation(s)
- Rafał Frydrych
- Department of Chemistry , University of Wrocław , 14 F. Joliot-Curie , 50-383 Wrocław , Poland
| | - Katarzyna Ślepokura
- Department of Chemistry , University of Wrocław , 14 F. Joliot-Curie , 50-383 Wrocław , Poland
| | - Andrzej Bil
- Department of Chemistry , University of Wrocław , 14 F. Joliot-Curie , 50-383 Wrocław , Poland
| | - Janusz Gregoliński
- Department of Chemistry , University of Wrocław , 14 F. Joliot-Curie , 50-383 Wrocław , Poland
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3
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Reguera L, Rivera DG. Multicomponent Reaction Toolbox for Peptide Macrocyclization and Stapling. Chem Rev 2019; 119:9836-9860. [PMID: 30990310 DOI: 10.1021/acs.chemrev.8b00744] [Citation(s) in RCA: 188] [Impact Index Per Article: 37.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In the past decade, multicomponent reactions have experienced a renaissance as powerful peptide macrocyclization tools enabling the rapid creation of skeletal complexity and diversity with low synthetic cost. This review provides both a historical and modern overview of the development of the peptide multicomponent macrocyclization as a strategy capable to compete with the classic peptide cyclization methods in terms of chemical efficiency and synthetic scope. We prove that the utilization of multicomponent reactions for cyclizing peptides by either their termini or side chains provides a key advantage over those more established methods; that is, the possibility to explore the cyclic peptide chemotype space not only at the amino acid sequence but also at the ring-forming moiety. Owing to its multicomponent nature, this type of peptide cyclization process is well-suited to generate diversity at both the endo- and exo-cyclic fragments formed during the ring-closing step, which stands as a distinctive and useful characteristic for the creation and screening of cyclic peptide libraries. Examples of the novel multicomponent peptide stapling approach and heterocycle ring-forming macrocyclizations are included, along with multicomponent methods incorporating macrocyclization handles and the one-pot syntheses of macromulticyclic peptide cages. Interesting applications of this strategy in the field of drug discovery and chemical biology are provided.
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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
| | - Daniel G Rivera
- Center for Natural Product Research, Faculty of Chemistry , University of Havana , Zapata y G , Havana 10400 , Cuba
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4
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Zaretsky S, Yudin AK. Recent advances in the synthesis of cyclic pseudopeptides. DRUG DISCOVERY TODAY. TECHNOLOGIES 2017; 26:3-10. [PMID: 29249240 DOI: 10.1016/j.ddtec.2017.11.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Accepted: 11/15/2017] [Indexed: 06/07/2023]
Abstract
Constrained peptides pose tremendous value in drug discovery. For example, owing to their large surface areas, they offer novel ways at inhibiting protein-protein interactions. As this field has grown, it has become desirable to introduce non-peptidic functionality into these rings to enable differentiated structure activity relationships and improved pharmacokinetic properties. Recent advances in the synthesis of cyclic pseudopeptides include macrocyclization through cysteine alkylation, multicomponent reactions, decarboxylative couplings, and novel stapling chemistry.
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Affiliation(s)
- Serge Zaretsky
- University of Toronto, Lash Miller Chemical Labs, 80 St. George Street, Toronto, ON M5S 3H6, Canada.
| | - Andrei K Yudin
- University of Toronto, Lash Miller Chemical Labs, 80 St. George Street, Toronto, ON M5S 3H6, Canada.
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5
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Tangara S, Kanazawa A, Py S. The Baldwin Rearrangement: Synthesis of 2-Acylaziridines. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700920] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Salia Tangara
- Univ. Grenoble Alpes; DCM; CNRS; 38000 Grenoble France
| | | | - Sandrine Py
- Univ. Grenoble Alpes; DCM; CNRS; 38000 Grenoble France
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6
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Morejón MC, Laub A, Kaluđerović GN, Puentes AR, Hmedat AN, Otero-González AJ, Rivera DG, Wessjohann LA. A multicomponent macrocyclization strategy to natural product-like cyclic lipopeptides: synthesis and anticancer evaluation of surfactin and mycosubtilin analogues. Org Biomol Chem 2017; 15:3628-3637. [DOI: 10.1039/c7ob00459a] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Two birds in one shot: oligopeptides can be cyclized and lipidated in one step with multicomponent reactions.
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Affiliation(s)
- Micjel C. Morejón
- Department of Bioorganic Chemistry
- Leibniz Institute of Plant Biochemistry
- Halle/Saale
- Germany
- Center for Natural Products Research
| | - Annegret Laub
- Department of Bioorganic Chemistry
- Leibniz Institute of Plant Biochemistry
- Halle/Saale
- Germany
| | - Goran N. Kaluđerović
- Department of Bioorganic Chemistry
- Leibniz Institute of Plant Biochemistry
- Halle/Saale
- Germany
| | - Alfredo R. Puentes
- Department of Bioorganic Chemistry
- Leibniz Institute of Plant Biochemistry
- Halle/Saale
- Germany
- Center for Natural Products Research
| | - Ali N. Hmedat
- Department of Bioorganic Chemistry
- Leibniz Institute of Plant Biochemistry
- Halle/Saale
- Germany
| | | | - Daniel G. Rivera
- Department of Bioorganic Chemistry
- Leibniz Institute of Plant Biochemistry
- Halle/Saale
- Germany
- Center for Natural Products Research
| | - Ludger A. Wessjohann
- Department of Bioorganic Chemistry
- Leibniz Institute of Plant Biochemistry
- Halle/Saale
- Germany
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7
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Morejón MC, Laub A, Westermann B, Rivera DG, Wessjohann LA. Solution- and Solid-Phase Macrocyclization of Peptides by the Ugi-Smiles Multicomponent Reaction: Synthesis of N-Aryl-Bridged Cyclic Lipopeptides. Org Lett 2016; 18:4096-9. [PMID: 27505031 DOI: 10.1021/acs.orglett.6b02001] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A new multicomponent methodology for the solution- and solid-phase macrocyclization of peptides is described. The approach comprises the utilization of the Ugi-Smiles reaction for the cyclization of 3-nitrotyrosine-containing peptides either by the N-terminus or the lysine side-chain amino groups. Both the on-resin and solution cyclizations took place with good to excellent efficiency in the presence of an aldehyde and a lipidic isocyanide, while the use of paraformaldehyde required an aminocatalysis-mediated imine formation prior to the on-resin Ugi-Smiles ring closure. The introduction of a turn motif in the peptide sequence facilitated the cyclization step, shortened the reaction time, and delivered crude products with >90% purity. This powerful method provided a variety of structurally novel N-aryl-bridged cyclic lipopeptides occurring as single atropisomers.
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Affiliation(s)
- Micjel C Morejón
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry , Weinberg 3, 06120 Halle/Saale, Germany.,Center for Natural Products Research, Faculty of Chemistry, University of Havana , Zapata y G, 10400 Havana, Cuba
| | - Annegret Laub
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry , Weinberg 3, 06120 Halle/Saale, Germany
| | - Bernhard Westermann
- 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.,Center for Natural Products Research, Faculty of Chemistry, University of Havana , Zapata y G, 10400 Havana, Cuba
| | - Ludger A Wessjohann
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry , Weinberg 3, 06120 Halle/Saale, Germany
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8
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Gregoliński J, Ślepokura K, Paćkowski T, Panek J, Stefanowicz P, Lisowski J. From 2 + 2 to 8 + 8 Condensation Products of Diamine and Dialdehyde: Giant Container-Shaped Macrocycles for Multiple Anion Binding. J Org Chem 2016; 81:5285-94. [DOI: 10.1021/acs.joc.6b00531] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Janusz Gregoliński
- Department
of Chemistry, University of Wrocław, 14 F. Joliot-Curie, 50-383 Wrocław, Poland
| | - Katarzyna Ślepokura
- Department
of Chemistry, University of Wrocław, 14 F. Joliot-Curie, 50-383 Wrocław, Poland
| | - Tomasz Paćkowski
- Department
of Chemistry, University of Wrocław, 14 F. Joliot-Curie, 50-383 Wrocław, Poland
| | - Jarosław Panek
- Department
of Chemistry, University of Wrocław, 14 F. Joliot-Curie, 50-383 Wrocław, Poland
| | - Piotr Stefanowicz
- Department
of Chemistry, University of Wrocław, 14 F. Joliot-Curie, 50-383 Wrocław, Poland
| | - Jerzy Lisowski
- Department
of Chemistry, University of Wrocław, 14 F. Joliot-Curie, 50-383 Wrocław, Poland
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9
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de la Torre AF, Rivera DG, Concepción O, Echemendia R, Correa AG, Paixão MW. Multicomponent Synthesis of Cyclic Depsipeptide Mimics by Ugi Reaction Including Cyclic Hemiacetals Derived from Asymmetric Organocatalysis. J Org Chem 2016; 81:803-9. [PMID: 26720907 DOI: 10.1021/acs.joc.5b02158] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The synthesis of novel cyclic depsipeptide mimics by means of an organocatalytic conjugate addition, leading to chiral cyclic hemiacetals, followed by a multicomponent reaction with α-amino acids and isocyanides, is described. The initial organocatalytic step is employed for the asymmetric derivatization of α,β-unsaturated aldehydes to 4,5-disubstituted 2-hydroxytetrahydropyrans, which are next used as chiral bifunctional substrates on the Ugi five-center three-component reaction, giving rise to nine-membered-ring lactones. This sequential approach proved to be suitable for the rapid generation of molecular complexity through the combination of aliphatic, dipeptidic, glucosidic, and lipidic isocyanides with several amino acids, thus giving access to amido-, glyco-, and lipo-depsipeptide scaffolds featuring natural product-like structures.
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Affiliation(s)
- Alexander F de la Torre
- Departamento de Química, Universidade Federal de São Carlos , São Carlos, SP, 13565-905, Brazil
| | - Daniel G Rivera
- Departamento de Química, Universidade Federal de São Carlos , São Carlos, SP, 13565-905, Brazil.,Center for Natural Products Research, Faculty of Chemistry, University of Havana , Zapata y G, 10400, La Habana, Cuba
| | - Odette Concepción
- Center for Natural Products Research, Faculty of Chemistry, University of Havana , Zapata y G, 10400, La Habana, Cuba
| | - Radell Echemendia
- Departamento de Química, Universidade Federal de São Carlos , São Carlos, SP, 13565-905, Brazil.,Center for Natural Products Research, Faculty of Chemistry, University of Havana , Zapata y G, 10400, La Habana, Cuba
| | - Arlene G Correa
- Departamento de Química, Universidade Federal de São Carlos , São Carlos, SP, 13565-905, Brazil
| | - Márcio W Paixão
- Departamento de Química, Universidade Federal de São Carlos , São Carlos, SP, 13565-905, Brazil
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10
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Zaretsky S, Hickey JL, Tan J, Pichugin D, St Denis MA, Ler S, Chung BKW, Scully CCG, Yudin AK. Mechanistic investigation of aziridine aldehyde-driven peptide macrocyclization: the imidoanhydride pathway. Chem Sci 2015; 6:5446-5455. [PMID: 29861887 PMCID: PMC5949604 DOI: 10.1039/c5sc01958c] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Accepted: 07/07/2015] [Indexed: 01/30/2023] Open
Abstract
Aziridine aldehyde dimers, peptides, and isocyanides participate in a multicomponent reaction to yield peptide macrocycles. We have investigated the selectivity and kinetics of this process and performed a detailed analysis of its chemoselectivity. While the reactants encompass all of the elements of the traditional Ugi four-component condensation, there is a significant deviation from the previously proposed mechanism. Our results provide evidence for an imidoanhydride pathway in peptide macrocyclization and lend justification for the diastereoselectivity and high effective molarity observed in the reaction.
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Affiliation(s)
- Serge Zaretsky
- Davenport Research Laboratories , Department of Chemistry , University of Toronto , 80 St. George Street , Toronto , Ontario M5S 3H6 , Canada .
| | - Jennifer L Hickey
- Davenport Research Laboratories , Department of Chemistry , University of Toronto , 80 St. George Street , Toronto , Ontario M5S 3H6 , Canada .
- Encycle Therapeutics Inc. , 101 College Street, Suite 314 , Toronto , Ontario M5G 1L7 , Canada
| | - Joanne Tan
- Davenport Research Laboratories , Department of Chemistry , University of Toronto , 80 St. George Street , Toronto , Ontario M5S 3H6 , Canada .
| | - Dmitry Pichugin
- Center for Structural Investigations of Complex Organic Molecules and Polymers , Department of Chemistry , University of Toronto , 80 St. George Street , Toronto , Ontario M5S 3H6 , Canada
| | - Megan A St Denis
- Davenport Research Laboratories , Department of Chemistry , University of Toronto , 80 St. George Street , Toronto , Ontario M5S 3H6 , Canada .
- Encycle Therapeutics Inc. , 101 College Street, Suite 314 , Toronto , Ontario M5G 1L7 , Canada
| | - Spencer Ler
- Davenport Research Laboratories , Department of Chemistry , University of Toronto , 80 St. George Street , Toronto , Ontario M5S 3H6 , Canada .
| | - Benjamin K W Chung
- Davenport Research Laboratories , Department of Chemistry , University of Toronto , 80 St. George Street , Toronto , Ontario M5S 3H6 , Canada .
| | - Conor C G Scully
- Davenport Research Laboratories , Department of Chemistry , University of Toronto , 80 St. George Street , Toronto , Ontario M5S 3H6 , Canada .
| | - Andrei K Yudin
- Davenport Research Laboratories , Department of Chemistry , University of Toronto , 80 St. George Street , Toronto , Ontario M5S 3H6 , Canada .
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11
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Vasco AV, Pérez CS, Morales FE, Garay HE, Vasilev D, Gavín JA, Wessjohann LA, Rivera DG. Macrocyclization of Peptide Side Chains by the Ugi Reaction: Achieving Peptide Folding and Exocyclic N-Functionalization in One Shot. J Org Chem 2015; 80:6697-707. [DOI: 10.1021/acs.joc.5b00858] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Aldrin V. Vasco
- Center
for Natural Products Research, Faculty of Chemistry, University of Havana, Zapata y G, 10400, La Habana, Cuba
- Facultad
de Ingeniería Química, Instituto Superior Politécnico José Antonio Echeverría, CUJAE, Calle 114 # 11901, 11500, La Habana, Cuba
| | - Carlos S. Pérez
- Center
for Natural Products Research, Faculty of Chemistry, University of Havana, Zapata y G, 10400, La Habana, Cuba
| | - Fidel E. Morales
- Center
for Natural Products Research, Faculty of Chemistry, University of Havana, Zapata y G, 10400, La Habana, Cuba
| | - Hilda E. Garay
- Synthetic Peptides
Group, Center for Genetic Engineering and Biotechnology, P.O. Box 6162, La Habana, Cuba
| | - Dimitar Vasilev
- Department
of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, Weinberg 3, D-06120, Halle/Saale, Germany
| | - José A. Gavín
- Instituto
Universitario de Bioorgánica Antonio González and Departamento
de Química Orgánica, Universidad de La Laguna, 38206 La Laguna, Tenerife, Spain
| | - Ludger A. Wessjohann
- Department
of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, Weinberg 3, D-06120, Halle/Saale, Germany
| | - Daniel G. Rivera
- Center
for Natural Products Research, Faculty of Chemistry, University of Havana, Zapata y G, 10400, La Habana, Cuba
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12
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Treder AP, Hickey JL, Tremblay MCJ, Zaretsky S, Scully CCG, Mancuso J, Doucet A, Yudin AK, Marsault E. Solid-Phase Parallel Synthesis of Functionalised Medium-to-Large Cyclic Peptidomimetics through Three-Component Coupling Driven by Aziridine Aldehyde Dimers. Chemistry 2015; 21:9249-55. [PMID: 26014974 DOI: 10.1002/chem.201500068] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Indexed: 11/06/2022]
Abstract
The first solid-phase parallel synthesis of macrocyclic peptides using three-component coupling driven by aziridine aldehyde dimers is described. The method supports the synthesis of 9- to 18-membered aziridine-containing macrocycles, which are then functionalized by nucleophilic opening of the aziridine ring. This constitutes a robust approach for the rapid parallel synthesis of macrocyclic peptides.
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Affiliation(s)
- Adam P Treder
- Institut de Pharmacologie de Sherbrooke, Université de Sherbrooke, 3001, 12e av nord Sherbrooke (QC) J1H 5N4 (Canada)
| | - Jennifer L Hickey
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto (ON) M5S 3H6 (Canada)
| | - Marie-Claude J Tremblay
- Institut de Pharmacologie de Sherbrooke, Université de Sherbrooke, 3001, 12e av nord Sherbrooke (QC) J1H 5N4 (Canada)
| | - Serge Zaretsky
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto (ON) M5S 3H6 (Canada)
| | - Conor C G Scully
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto (ON) M5S 3H6 (Canada)
| | - John Mancuso
- Institut de Pharmacologie de Sherbrooke, Université de Sherbrooke, 3001, 12e av nord Sherbrooke (QC) J1H 5N4 (Canada)
| | - Annie Doucet
- Institut de Pharmacologie de Sherbrooke, Université de Sherbrooke, 3001, 12e av nord Sherbrooke (QC) J1H 5N4 (Canada)
| | - Andrei K Yudin
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto (ON) M5S 3H6 (Canada)
| | - Eric Marsault
- Institut de Pharmacologie de Sherbrooke, Université de Sherbrooke, 3001, 12e av nord Sherbrooke (QC) J1H 5N4 (Canada).
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13
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Zaretsky S, Tan J, Hickey JL, Yudin AK. Macrocyclic templates for library synthesis of peptido-conjugates. Methods Mol Biol 2015; 1248:67-80. [PMID: 25616326 DOI: 10.1007/978-1-4939-2020-4_5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Cyclic peptides have wide utility in the biological sciences. As conformationally locked analogs of the parent linear peptides, they possess greater stability under physiological conditions and increased binding affinity for their targets. As investigations of biological processes often require reporter molecules and functional readouts, chemical probes are commonly appended with functional groups that allow for conjugation to biological entities. Herein we describe the functionalization of cyclic peptides prepared via aziridine aldehyde-mediated macrocyclization. These cyclic peptides contain an aziridine ring that can be further functionalized by ring opening with nucleophiles. We report on the methodology used to produce a cyclic peptide analog of Pro-Gly-Leu-Gly-Phe with either azido or sulfhydryl functionality.
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Affiliation(s)
- Serge Zaretsky
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, Canada, M5S 3H6
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14
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Belding L, Zaretsky S, Rotstein BH, Yudin AK, Dudding T. Shifting the energy landscape of multicomponent reactions using aziridine aldehyde dimers: a mechanistic study. J Org Chem 2014; 79:9465-71. [PMID: 25264960 DOI: 10.1021/jo501242r] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
A multicomponent reaction between an aziridine aldehyde dimer, isocyanide, and l-proline to afford a chiral piperazinone was studied to gain insight into the stereodetermining and rate-limiting steps of the reaction. The stereochemistry of the reaction was found to be determined by isocyanide addition, while the rate-limiting step was found to deviate from traditional isocyanide-based multicomponent reactions. A first-order rate dependence on aziridine aldehyde dimer and a zero-order rate dependence on all other reagents have been obtained. Computations at the MPWPW91/6-31G(d) level supported the experimental kinetic results and provide insight into the overall mechanism and the factors contributing to stereochemical induction. These factors are similar to traditional isocyanide-based multicomponent reactions, such as the Ugi reaction. The computations revealed that selective formation of a Z-iminium ion plays a key role in controlling the stereoselectivity of isocyanide addition, and the carboxylate group of l-proline mediates stereofacial addition. These conclusions are expected to be applicable to a wide range of reported stereoselective Ugi reactions and provide a basis for understanding the related macrocyclization of peptides with aziridine aldehydes.
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Affiliation(s)
- Lee Belding
- Brock University , St. Catharines, Ontario L2S 3A1, Canada
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15
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Gregoliński J, Ślepokura K, Paćkowski T, Lisowski J. Expansion of a 2 + 2 Macrocycle into a 6 + 6 Macrocycle: Template Effect of Cadmium(II). Org Lett 2014; 16:4372-5. [DOI: 10.1021/ol501602f] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Janusz Gregoliński
- Department of Chemistry, University of Wrocław, 14 F.
Joliot-Curie, 50-383 Wrocław, Poland
| | - Katarzyna Ślepokura
- Department of Chemistry, University of Wrocław, 14 F.
Joliot-Curie, 50-383 Wrocław, Poland
| | - Tomasz Paćkowski
- Department of Chemistry, University of Wrocław, 14 F.
Joliot-Curie, 50-383 Wrocław, Poland
| | - Jerzy Lisowski
- Department of Chemistry, University of Wrocław, 14 F.
Joliot-Curie, 50-383 Wrocław, Poland
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16
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Rotstein BH, Zaretsky S, Rai V, Yudin AK. Small Heterocycles in Multicomponent Reactions. Chem Rev 2014; 114:8323-59. [DOI: 10.1021/cr400615v] [Citation(s) in RCA: 664] [Impact Index Per Article: 66.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Benjamin H. Rotstein
- Davenport
Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario Canada, M5S 3H6
- Division
of Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital,
and Department of Radiology, Harvard Medical School, 55 Fruit Street, Boston, Massachusetts 02114, United States
| | - Serge Zaretsky
- Davenport
Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario Canada, M5S 3H6
| | - Vishal Rai
- Davenport
Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario Canada, M5S 3H6
- Department
of Chemistry, Indian Institute of Science Education and Research (IISER) Bhopal, Indore By-pass Road, Bhauri, Bhopal 462 066, MP India
| | - Andrei K. Yudin
- Davenport
Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario Canada, M5S 3H6
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Callebaut G, Meiresonne T, De Kimpe N, Mangelinckx S. Synthesis and Reactivity of 2-(Carboxymethyl)aziridine Derivatives. Chem Rev 2014; 114:7954-8015. [DOI: 10.1021/cr400582d] [Citation(s) in RCA: 142] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Gert Callebaut
- Department of Sustainable
Organic Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Tamara Meiresonne
- Department of Sustainable
Organic Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Norbert De Kimpe
- Department of Sustainable
Organic Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Sven Mangelinckx
- Department of Sustainable
Organic Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
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He Z, Zajdlik A, Yudin AK. Air- and moisture-stable amphoteric molecules: enabling reagents in synthesis. Acc Chem Res 2014; 47:1029-40. [PMID: 24495255 DOI: 10.1021/ar400210c] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Researchers continue to develop chemoselective synthesis strategies with the goal of rapidly assembling complex molecules. As one appealing approach, chemists are searching for new building blocks that include multiple functional groups with orthogonal chemical reactivity. Amphoteric molecules that possess nucleophilic and electrophilic sites offer a versatile platform for the development of chemoselective transformations. As part of a program focused on new methods of synthesis, we have been developing this type of reagents. This Account highlights examples of amphoteric molecules developed by our lab since 2006. We have prepared and evaluated aziridine aldehydes, a class of stable unprotected α-amino aldehydes. Structurally, aziridine aldehydes include both a nucleophilic amine nitrogen and an electrophilic aldehyde carbon over the span of three atoms. Under ambient conditions, these compounds exist as homochiral dimers with an aziridine-fused five-membered cyclic hemiaminal structure. We have investigated chemoselective reactions of aziridine aldehydes that involve both the aziridine and aldehyde functionalities. These transformations have produced a variety of densely functionalized nitrogen-containing compounds, including amino aldehydes, 1,2-diamines, reduced hydantoins, C-vinyl or alkynyl aziridines, and macrocyclic peptides. We have also developed air- and moisture-stable α-boryl aldehydes, another class of molecules that are kinetically amphoteric. The α-boryl aldehydes contain a tetracoordinated N-methyliminodiacetyl (MIDA) boryl substituent, which stabilizes the α-metalloid carbonyl system and prevents isomerization to its O-bond enolate form. Primarily taking advantage of chemoselective transformations at the aldehyde functionality, these α-boryl aldehydes have allowed us to synthesize a series of new functionalized boron-containing compounds that are difficult or impossible to prepare using established protocols, such as α-borylcarboxylic acids, boryl alcohols, enol ethers, and enamides. Using α-borylcarboxylic acids as starting materials, we have also prepared several new amphoteric borylated reagents, such as α-boryl isocyanates, isocyanides, and acylboronates. These compounds are versatile building blocks in their own right, enabling the rapid synthesis of other boron-containing molecules.
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Affiliation(s)
- Zhi He
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto M5S 3H6, Canada
| | - Adam Zajdlik
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto M5S 3H6, Canada
| | - Andrei K. Yudin
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto M5S 3H6, Canada
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Zajdlik A, Wang Z, Hickey JL, Aman A, Schimmer AD, Yudin AK. α-Boryl isocyanides enable facile preparation of bioactive boropeptides. Angew Chem Int Ed Engl 2013; 52:8411-5. [PMID: 23818141 DOI: 10.1002/anie.201302818] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2013] [Revised: 05/24/2013] [Indexed: 12/27/2022]
Affiliation(s)
- Adam Zajdlik
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George St., Toronto, ON M5S3H6, Canada
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Zajdlik A, Wang Z, Hickey JL, Aman A, Schimmer AD, Yudin AK. α-Boryl Isocyanides Enable Facile Preparation of Bioactive Boropeptides. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201302818] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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