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Gauvin J, Frégeau G, Elimam H, Ménard L, Huynh D, Lê C, Ahsanullah A, Lubell WD, Ong H, Marleau S. A cyclic azapeptide ligand of the scavenger receptor CD36/SR-B2 reduces the atherosclerotic lesion progression and enhances plaque stability in apolipoprotein E-deficient mice. Front Pharmacol 2023; 14:1204905. [PMID: 37332345 PMCID: PMC10270736 DOI: 10.3389/fphar.2023.1204905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 05/15/2023] [Indexed: 06/20/2023] Open
Abstract
Atherosclerosis is a chronic inflammatory disease of the arterial walls that develops at predisposed sites. As a major risk factor for adverse cardiovascular pathology, atherosclerosis can progress to myocardial infarction and stroke, due to the rupture of unstable atherosclerotic lesions. Macrophage uptake of modified lipoproteins and metabolic dysfunction contributes significantly to the initiation and development of atherosclerotic lesions. The cluster of differentiation 36 receptor [CD36 (SR-B2)] plays a key role in atherosclerotic lesion progression and acts as an efferocytic molecule in the resolution of advanced plaque. In previous studies, linear azapeptide CD36 ligands were shown to exhibit anti-atherosclerotic properties. In the present study, a novel potent and selective macrocyclic azapeptide CD36 ligand, MPE-298, has proven effective in protecting against atherosclerosis progression. Features of greater plaque stability were observed after 8 weeks of daily injections with the cyclic azapeptide in apolipoprotein E-deficient mice fed a high-fat high-cholesterol diet.
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Affiliation(s)
- Jade Gauvin
- Faculty of Pharmacy, Université de Montréal, Montréal, QC, Canada
| | | | - Hanan Elimam
- Faculty of Pharmacy, Université de Montréal, Montréal, QC, Canada
- Department of Biochemistry, Faculty of Pharmacy, University of Sadat City, Sadat City, Egypt
- Department of Biochemistry, Faculty of Pharmacy, Sinai University-Kantara Branch, Ismailia, Egypt
| | - Liliane Ménard
- Faculty of Pharmacy, Université de Montréal, Montréal, QC, Canada
| | - David Huynh
- Faculty of Pharmacy, Université de Montréal, Montréal, QC, Canada
| | - Catherine Lê
- Faculty of Pharmacy, Université de Montréal, Montréal, QC, Canada
| | - Ahsanullah Ahsanullah
- Department of Chemistry, Université de Montréal, Montréal, QC, Canada
- Department of Chemistry, Quaid-i-Azam University, Islamabad, Pakistan
| | - William D. Lubell
- Department of Chemistry, Université de Montréal, Montréal, QC, Canada
| | - Huy Ong
- Faculty of Pharmacy, Université de Montréal, Montréal, QC, Canada
| | - Sylvie Marleau
- Faculty of Pharmacy, Université de Montréal, Montréal, QC, Canada
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2
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Van Holsbeeck K, Elsocht M, Ballet S. Propargylamine Amino Acids as Constrained Nε-Substituted Lysine Mimetics. Org Lett 2023; 25:130-133. [PMID: 36546856 DOI: 10.1021/acs.orglett.2c03931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Herein, alkylated propargylamines are reported as constrained lysine mimetics and constructed in a single step using a copper(I)-catalyzed A3-coupling reaction. Using multiple secondary amines, the reaction allowed the generation of a structurally diverse set of N-Fmoc protected amino acid derivatives. In addition, the A3-reaction was applied on solid phase via the assembly of short model tripeptides. Moreover, the internal alkyne moiety allowed further functionalization toward novel 1,4,5-trisubstituted 1,2,3-triazole-based amino acids.
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Affiliation(s)
- Kevin Van Holsbeeck
- Research Group of Organic Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, Brussels 1050, Belgium
| | - Mathias Elsocht
- Research Group of Organic Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, Brussels 1050, Belgium
| | - Steven Ballet
- Research Group of Organic Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, Brussels 1050, Belgium
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3
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Le Du E, Borrel J, Waser J. Copper-Catalyzed Alkynylation of Hydrazides: An Easy Access to Functionalized Azadipeptides. Org Lett 2022; 24:6614-6618. [PMID: 36066898 DOI: 10.1021/acs.orglett.2c02625] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We report a copper-catalyzed alkynylation of azadipeptides using ethynylbenziodoxolone (EBX) reagents. Nonsymmetrical ynehydrazides could be obtained in 25-97% yield using azaglycine derivatives as nucleophiles. The transformation is compatible with most functional groups naturally occurring on amino acid side chains and allows the transfer of silyl-, alkyl-, and aryl-substituted alkynes. The obtained α-alkynyl azaglycine products could be further functionalized by nucleophilic attack or cycloaddition on the triple bond.
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Affiliation(s)
- Eliott Le Du
- Laboratory of Catalysis and Organic Synthesis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO, BCH 4306, 1015 Lausanne, Switzerland
| | - Julien Borrel
- Laboratory of Catalysis and Organic Synthesis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO, BCH 4306, 1015 Lausanne, Switzerland
| | - Jerome Waser
- Laboratory of Catalysis and Organic Synthesis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO, BCH 4306, 1015 Lausanne, Switzerland
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4
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Bowles M, Proulx C. Solid phase submonomer azapeptide synthesis. Methods Enzymol 2021; 656:169-190. [PMID: 34325786 DOI: 10.1016/bs.mie.2021.04.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Azapeptides contain at least one aza-amino acid, where the α-carbon has been replaced by a nitrogen atom, and have found broad applicability in fields ranging from medicinal chemistry to biomaterials. In this chapter, we provide a step-by-step protocol for the solid phase submonomer synthesis of azapeptides, which includes three steps: (1) hydrazone activation and coupling onto a resin-bound peptide, (2) chemoselective semicarbazone functionalization for installation of the aza-amino acid side chain, and (3) orthogonal deprotection of the semicarbazone to complete the monomer addition cycle. We focus on semicarbazone functionalization by N-alkylation with primary alkyl halides, and describe conditions for coupling onto aza-amino acids. Such divergent methods accelerate the synthesis of peptidomimetics and allow the rapid introduction of a wide variety of natural and unnatural side chains directly on solid support using easily accessible submonomers.
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Affiliation(s)
- Maxwell Bowles
- Department of Chemistry, North Carolina State University, Raleigh, NC, United States
| | - Caroline Proulx
- Department of Chemistry, North Carolina State University, Raleigh, NC, United States.
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On-resin multicomponent protocols for biopolymer assembly and derivatization. Nat Protoc 2021; 16:561-578. [PMID: 33473197 DOI: 10.1038/s41596-020-00445-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Accepted: 10/13/2020] [Indexed: 01/29/2023]
Abstract
Solid-phase synthesis represents the methodological showcase for technological advances such as split-and-pool combinatorial chemistry and the automated synthesis of peptides, nucleic acids and polysaccharides. These strategies involve iterative coupling cycles that do not generate functional diversity besides that incorporated by the amino acids, nucleosides and monosaccharide building blocks. In sharp contrast, multicomponent reactions (MCRs) are traditionally used to generate both skeletal and appendage diversity in short, batchwise procedures. On-resin MCRs have traditionally been employed for the construction of heterocycle and peptidomimetic libraries, but that scenario has changed recently, and today the focus is more on the solid-phase derivatization of peptides and oligonucleotides. This review presents relevant experimental details and addresses the synthetic scope of such on-resin multicomponent protocols employed to accomplish specific biopolymer covalent modifications that are practically inviable by traditional solution-phase methodologies. Recommendations are provided to facilitate the implementation of solid-supported protocols and avoid possible pitfalls associated with the selection of the polymeric resin, the solvent and the order and amount of the reagents employed. We describe procedures comprising the multicomponent lipidation, biotinylation and labeling of both termini and the side chains, as well as the use of MCRs in the traceless on-resin synthesis of ligated and cyclic peptides. Solid-phase protocols for the assembly of α-helical and parallel β-sheet peptides as well as hybrid peptide-peptoid and peptide-peptide nucleic acid architectures are described. Finally, the solid-supported multicomponent derivatization of DNA oligonucleotides is illustrated as part of the DNA-encoded library technology relying on MCR-derived heterocyclic compounds.
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Wang Y, Oliveira MT, Madsen D, Thompson A, Meldal M, Diness F. Dihydroquinazolinones via A 3 -Type Reactions of N-Carbamoyliminium Ions. Chemistry 2020; 26:15825-15829. [PMID: 32790088 DOI: 10.1002/chem.202003117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/12/2020] [Indexed: 12/15/2022]
Abstract
A variant of the A3 coupling reaction was developed utilizing in situ generated N-carbamoyliminium ions. The tandem INCIC/A3 -coupling sequence provided a facile one-pot synthesis of dihydroquinazolinone derivatives. The scope of the reaction was demonstrated in solution as well as on solid support. The reaction was further combined with peptide synthesis, SN Ar reactions, CuAAC triazole formation or bromination, providing additional opportunities for further diversification of the dihydroquinazolinone scaffolds.
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Affiliation(s)
- Yuanyuan Wang
- Center for Evolutionary Chemical Biology, Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen, Denmark
| | - Maria Teresa Oliveira
- Center for Evolutionary Chemical Biology, Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen, Denmark
| | - Daniel Madsen
- Center for Evolutionary Chemical Biology, Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen, Denmark
| | - Andrej Thompson
- Center for Evolutionary Chemical Biology, Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen, Denmark
| | - Morten Meldal
- Center for Evolutionary Chemical Biology, Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen, Denmark
| | - Frederik Diness
- Center for Evolutionary Chemical Biology, Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen, Denmark
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Miyata K, Narita A, Fujisawa R, Roppongi M, Ito S, Shingo T, Oba T. Synthesis of boronophenylalanine-like aza-amino acids for boron-containing azapeptide precursors. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.152585] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Proulx C, Zhang J, Sabatino D, Chemtob S, Ong H, Lubell WD. Synthesis and Biomedical Potential of Azapeptide Modulators of the Cluster of Differentiation 36 Receptor (CD36). Biomedicines 2020; 8:biomedicines8080241. [PMID: 32717955 PMCID: PMC7459725 DOI: 10.3390/biomedicines8080241] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 07/15/2020] [Accepted: 07/17/2020] [Indexed: 12/14/2022] Open
Abstract
The innovative development of azapeptide analogues of growth hormone releasing peptide-6 (GHRP-6) has produced selective modulators of the cluster of differentiation 36 receptor (CD36). The azapeptide CD36 modulators curb macrophage-driven inflammation and mitigate atherosclerotic and angiogenic pathology. In macrophages activated with Toll-like receptor-2 heterodimer agonist, they reduced nitric oxide production and proinflammatory cytokine release. In a mouse choroidal explant microvascular sprouting model, they inhibited neovascularization. In murine models of cardiovascular injury, CD36-selective azapeptide modulators exhibited cardioprotective and anti-atherosclerotic effects. In subretinal inflammation models, they altered activated mononuclear phagocyte metabolism and decreased immune responses to alleviate subsequent inflammation-dependent neuronal injury associated with retinitis pigmentosa, diabetic retinopathy and age-related macular degeneration. The translation of GHRP-6 to potent and selective linear and cyclic azapeptide modulators of CD36 is outlined in this review which highlights the relevance of turn geometry for activity and the biomedical potential of prototypes for the beneficial treatment of a wide range of cardiovascular, metabolic and immunological disorders.
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Affiliation(s)
- Caroline Proulx
- Department of Chemistry, North Carolina State University, Raleigh, NC 27695, USA;
| | - Jinqiang Zhang
- Innovative Drug Research Centre, Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China;
| | - David Sabatino
- Department of Chemistry and Biochemistry, Seton Hall University, 400 South Orange Ave, South Orange, NJ 07079, USA;
| | - Sylvain Chemtob
- Département d’Ophtalmologie, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, QC H3C3J7, Canada;
| | - Huy Ong
- Faculté de Pharmacie, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, QC H3C3J7, Canada;
| | - William D. Lubell
- Département de Chimie, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, QC H3C3J7, Canada
- Correspondence:
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9
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Frégeau G, Sarduy R, Elimam H, Esposito CL, Mellal K, Ménard L, Leitão da Graça SD, Proulx C, Zhang J, Febbraio M, Soto Y, Lubell WD, Ong H, Marleau S. Atheroprotective and atheroregressive potential of azapeptide derivatives of GHRP-6 as selective CD36 ligands in apolipoprotein E-deficient mice. Atherosclerosis 2020; 307:52-62. [PMID: 32721647 DOI: 10.1016/j.atherosclerosis.2020.06.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 06/08/2020] [Accepted: 06/12/2020] [Indexed: 12/27/2022]
Abstract
BACKGROUND AND AIMS Scavenger receptor class B member 3, also known as cluster of differentiation-36 (CD36) receptor, is involved in the uptake and accumulation of modified lipoprotein in macrophages, driving atherosclerosis progression. Azapeptide analogs of growth hormone-releasing peptide-6 (GHRP-6) have been developed as selective CD36 ligands and evaluated for their anti-atherosclerotic properties in apoe-/- mice. METHODS From 4 to 19 weeks of age, male apoe-/- mice were fed a high fat high cholesterol (HFHC) diet, then switched to normal chow and treated daily with 300 nmol/kg of MPE-001 ([aza-Tyr4]-GHRP-6) or MPE-003 ([aza-(N,N-diallylaminobut-2-ynyl)Gly4]-GHRP-6) for 9 weeks. In another protocol, mice were fed a HFHC diet throughout the study. RESULTS Azapeptides decreased lesion progression in the aortic arch and reduced aortic sinus lesion areas below pre-existing lesions levels in apoe-/- mice which were switched to chow diet. In mice fed a HFHC throughout the study, azapeptides reduced lesion progression in the aortic vessel and sinus. The anti-atherosclerotic effect of azapeptides was associated with a reduced ratio of iNOS+/CD206+ macrophages within lesions, and lowered plasma inflammatory cytokine levels. Monocytes from azapeptide-treated mice showed altered mitochondrial oxygen consumption rates, consistent with an M2-like phenotype. These effects were dependent on CD36, and not observed in apoe-/-cd36-/- mice. CONCLUSIONS Azapeptides MPE-001 and MPE-003 diminished aortic lesion progression and reduced, below pre-existing levels, lesions in the aortic sinus of atherosclerotic mice. A relative increase of M2-like macrophages was observed in lesions, associated with reduced systemic inflammation. Development of CD36-selective azapeptide ligands merits consideration for treating atherosclerotic disease.
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Affiliation(s)
- Geneviève Frégeau
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | - Roger Sarduy
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | - Hanan Elimam
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada; Department of Biochemistry, Faculty of Pharmacy, University of Sadat City, Sadat City, Egypt
| | - Cloé L Esposito
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | - Katia Mellal
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | - Liliane Ménard
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | | | - Caroline Proulx
- Department of Chemistry, Université de Montréal, Montréal, Québec, Canada
| | - Jinqiang Zhang
- Department of Chemistry, Université de Montréal, Montréal, Québec, Canada
| | - Maria Febbraio
- Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Yosdel Soto
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | - William D Lubell
- Department of Chemistry, Université de Montréal, Montréal, Québec, Canada
| | - Huy Ong
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | - Sylvie Marleau
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada.
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10
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Mir FM, Atmuri NDP, Bourguet CB, Fores JR, Hou X, Chemtob S, Lubell WD. Paired Utility of Aza-Amino Acyl Proline and Indolizidinone Amino Acid Residues for Peptide Mimicry: Conception of Prostaglandin F2α Receptor Allosteric Modulators That Delay Preterm Birth. J Med Chem 2019; 62:4500-4525. [PMID: 30932486 DOI: 10.1021/acs.jmedchem.9b00056] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Peptide mimicry employing a combination of aza-amino acyl proline and indolizidinone residues has been used to develop allosteric modulators of the prostaglandin F2α receptor. The systematic study of the N-terminal phenylacetyl moiety and the conformation and side chain functions of the central turn dipeptide residue has demonstrated the sensitive relationships between modulator activity and topology. Examination of aza-Gly-Pro and aza-Phe-Pro analogs 2a and 2b in a murine preterm labor model featuring treatment with lipopolysaccharide demonstrated their capacity to extend significantly (>20 h) the average time of delivery offering new prototypes for delaying premature birth.
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Affiliation(s)
- Fatemeh M Mir
- Département de Chimie , Université de Montréal , C.P. 6128 Succursale Centre-Ville , Montréal H3C 3J7 QC , Canada
| | - N D Prasad Atmuri
- Département de Chimie , Université de Montréal , C.P. 6128 Succursale Centre-Ville , Montréal H3C 3J7 QC , Canada
| | - Carine B Bourguet
- Département de Chimie , Université de Montréal , C.P. 6128 Succursale Centre-Ville , Montréal H3C 3J7 QC , Canada
| | - Jennifer Rodon Fores
- Département de Chimie , Université de Montréal , C.P. 6128 Succursale Centre-Ville , Montréal H3C 3J7 QC , Canada
| | - Xin Hou
- Centre Hospitalier Universitaire Sainte-Justine Research Center , Montréal H3T 1C5 , QC , Canada
| | - Sylvain Chemtob
- Centre Hospitalier Universitaire Sainte-Justine Research Center , Montréal H3T 1C5 , QC , Canada
| | - William D Lubell
- Département de Chimie , Université de Montréal , C.P. 6128 Succursale Centre-Ville , Montréal H3C 3J7 QC , Canada
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11
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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: 182] [Impact Index Per Article: 36.4] [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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12
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Chingle R, Mulumba M, Chung NN, Nguyen TMD, Ong H, Ballet S, Schiller PW, Lubell WD. Solid-Phase Azopeptide Diels–Alder Chemistry for Aza-pipecolyl Residue Synthesis To Study Peptide Conformation. J Org Chem 2019; 84:6006-6016. [DOI: 10.1021/acs.joc.8b03283] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
| | | | - Nga N. Chung
- Laboratory of Chemical Biology and Peptide Research, Clinical Research Institute of Montreal, 110 Pine Avenue West, Montréal, Québec H2W 1R7, Canada
| | - Thi M.-D. Nguyen
- Laboratory of Chemical Biology and Peptide Research, Clinical Research Institute of Montreal, 110 Pine Avenue West, Montréal, Québec H2W 1R7, Canada
| | | | - Steven Ballet
- Research Group of Organic Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium
| | - Peter W. Schiller
- Laboratory of Chemical Biology and Peptide Research, Clinical Research Institute of Montreal, 110 Pine Avenue West, Montréal, Québec H2W 1R7, Canada
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13
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Ahsanullah, Chingle R, Ohm RG, Chauhan PS, Lubell WD. Aza‐propargylglycine installation by aza‐amino acylation: Synthesis and Ala‐scan of an azacyclopeptide CD36 modulator. Pept Sci (Hoboken) 2018. [DOI: 10.1002/pep2.24102] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Ahsanullah
- Département de ChimieUniversité de Montréal Montréal Québec Canada
| | - Ramesh Chingle
- Département de ChimieUniversité de Montréal Montréal Québec Canada
| | - Ragnhild G. Ohm
- Département de ChimieUniversité de Montréal Montréal Québec Canada
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14
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Amino-β-lactams in Ugi reaction: An efficient method for preparation of functionalized peptidomimetics. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.11.028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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15
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Chignen Possi K, Mulumba M, Omri S, Garcia-Ramos Y, Tahiri H, Chemtob S, Ong H, Lubell WD. Influences of Histidine-1 and Azaphenylalanine-4 on the Affinity, Anti-inflammatory, and Antiangiogenic Activities of Azapeptide Cluster of Differentiation 36 Receptor Modulators. J Med Chem 2017; 60:9263-9274. [DOI: 10.1021/acs.jmedchem.7b01209] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Kelvine Chignen Possi
- Département
de Chimie, ‡Département de Pédiatrie, and §Faculté de Pharmacie, Université de Montréal, C.P. 6128, Succursale, Centre-Ville, Montréal, Québec H3C 3J7, Canada
| | - Mukandila Mulumba
- Département
de Chimie, ‡Département de Pédiatrie, and §Faculté de Pharmacie, Université de Montréal, C.P. 6128, Succursale, Centre-Ville, Montréal, Québec H3C 3J7, Canada
| | - Samy Omri
- Département
de Chimie, ‡Département de Pédiatrie, and §Faculté de Pharmacie, Université de Montréal, C.P. 6128, Succursale, Centre-Ville, Montréal, Québec H3C 3J7, Canada
| | - Yesica Garcia-Ramos
- Département
de Chimie, ‡Département de Pédiatrie, and §Faculté de Pharmacie, Université de Montréal, C.P. 6128, Succursale, Centre-Ville, Montréal, Québec H3C 3J7, Canada
| | - Houda Tahiri
- Département
de Chimie, ‡Département de Pédiatrie, and §Faculté de Pharmacie, Université de Montréal, C.P. 6128, Succursale, Centre-Ville, Montréal, Québec H3C 3J7, Canada
| | - Sylvain Chemtob
- Département
de Chimie, ‡Département de Pédiatrie, and §Faculté de Pharmacie, Université de Montréal, C.P. 6128, Succursale, Centre-Ville, Montréal, Québec H3C 3J7, Canada
| | - Huy Ong
- Département
de Chimie, ‡Département de Pédiatrie, and §Faculté de Pharmacie, Université de Montréal, C.P. 6128, Succursale, Centre-Ville, Montréal, Québec H3C 3J7, Canada
| | - William D. Lubell
- Département
de Chimie, ‡Département de Pédiatrie, and §Faculté de Pharmacie, Université de Montréal, C.P. 6128, Succursale, Centre-Ville, Montréal, Québec H3C 3J7, Canada
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16
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Chingle R, Proulx C, Lubell WD. Azapeptide Synthesis Methods for Expanding Side-Chain Diversity for Biomedical Applications. Acc Chem Res 2017; 50:1541-1556. [PMID: 28598597 DOI: 10.1021/acs.accounts.7b00114] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Mimicry of bioactive conformations is critical for peptide-based medicinal chemistry because such peptidomimetics may augment stability, enhance affinity, and increase specificity. Azapeptides are peptidomimetics in which the α-carbon(s) of one or more amino acid residues are substituted by nitrogen. The resulting semicarbazide analogues have been shown to reinforce β-turn conformation through the combination of lone pair-lone pair repulsion of the adjacent hydrazine nitrogen and urea planarity. Substitution of a semicarbazide for an amino amide residue in a peptide may retain biological activity and add benefits such as improved metabolic stability. The applications of azapeptides include receptor ligands, enzyme inhibitors, prodrugs, probes, and imaging agents. Moreover, azapeptides have proven therapeutic utility. For example, the aza-glycinamide analogue of the luteinizing hormone-releasing hormone analogue Zoladex is a potent long-acting agonist currently used in the clinic for the treatment of prostate and breast cancer. However, the use of azapeptides was hampered by tedious solution-phase synthetic routes for selective hydrazine functionalization. A remarkable stride to overcome this bottleneck was made in 2009 through the introduction of the submonomer procedure for azapeptide synthesis, which enabled addition of diverse side chains onto a common semicarbazone intermediate, providing a means to construct azapeptide libraries by solution- and solid-phase chemistry. In brief, aza residues are introduced into the peptide chain using the submonomer strategy by semicarbazone incorporation, deprotonation, N-alkylation, and orthogonal deprotection. Amino acylation of the resulting semicarbazide and elongation gives the desired azapeptide. Since the initial report, a number of chemical transformations have taken advantage of the orthogonal chemistry of semicarbazone residues (e.g., Michael additions and N-arylations). In addition, libraries have been synthesized from libraries by diversification of aza-propargylglycine (e.g., A3 coupling reactions, [1,3]-dipolar cycloadditions, and 5-exo-dig cyclizations) and aza-chloroalkylglycine residues. In addition, oxidation of aza-glycine residues has afforded azopeptides that react in pericyclic reactions (e.g., Diels-Alder and Alder-ene chemistry). The bulk of these transformations of aza-glycine residues have been developed by the Lubell laboratory, which has applied such chemistry in the synthesis of ligands with promising biological activity for treating diseases such as cancer and age-related macular degeneration. Azapeptide analogues of growth hormone-releasing peptide-6 (His-d-Trp-Ala-Trp-d-Phe-Lys-NH2, GHRP-6) have for example been pursued as ligands of the cluster of differentiation 36 receptor (CD36) and show promising activity for the development of treatments for angiogenesis-related diseases, such as age-related macular degeneration, as well as for atherosclerosis. Azapeptides have also been employed to make a series of conformationally constrained second mitochondria-derived activator of caspase (Smac) mimetics that exhibit promising apoptosis-inducing activity in cancer cells. The synthesis of cyclic azapeptide derivatives was used to make an aza scan to study the conformation-activity relationships of the anticancer agent cilengitide, cyclo(RGDf-N(Me)V), and its parent counterpart cyclo(RGDfV), which exhibit potency against human tumor metastasis and tumor-induced angiogenesis. Innovations in the synthesis and application of azapeptides will be presented in this Account, focusing on the creation and use of side-chain diversity in medicinal chemistry.
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Affiliation(s)
- Ramesh Chingle
- Department of Chemistry, Université de Montréal, C. P. 6128, Succursale Centre-Ville, Montreal, Quebec, Canada H3C 3J7
| | - Caroline Proulx
- Department of Chemistry, Université de Montréal, C. P. 6128, Succursale Centre-Ville, Montreal, Quebec, Canada H3C 3J7
| | - William D. Lubell
- Department of Chemistry, Université de Montréal, C. P. 6128, Succursale Centre-Ville, Montreal, Quebec, Canada H3C 3J7
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Paul J, Presset M, Le Gall E. Multicomponent Mannich-Like Reactions of Organometallic Species. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700038] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Jérôme Paul
- Electrochimie et Synthèse Organique; Université Paris Est, ICMPE (UMR 7182), CNRS, UPEC; 2-8 rue Henri Dunant 94320 Thiais France
| | - Marc Presset
- Electrochimie et Synthèse Organique; Université Paris Est, ICMPE (UMR 7182), CNRS, UPEC; 2-8 rue Henri Dunant 94320 Thiais France
| | - Erwan Le Gall
- Electrochimie et Synthèse Organique; Université Paris Est, ICMPE (UMR 7182), CNRS, UPEC; 2-8 rue Henri Dunant 94320 Thiais France
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Traoré M, Gignac M, Doan ND, Hof F, Lubell WD. Aza-amino acid scanning of chromobox homolog 7 (CBX7) ligands. J Pept Sci 2017; 23:266-271. [DOI: 10.1002/psc.2982] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 01/23/2017] [Accepted: 01/25/2017] [Indexed: 02/06/2023]
Affiliation(s)
- Mariam Traoré
- Département de Chimie; Université de Montréal; C.P. 6128, Succursale Centre-Ville Montréal Québec H3C 3J7 Canada
- NuChem Therapeutics Inc.; 6100 Royalmount Ave Montreal H4P 2R2 Canada
| | - Michael Gignac
- Department of Chemistry; University of Victoria; Victoria British Columbia V8W 3V6 Canada
| | - Ngoc-Duc Doan
- Département de Chimie; Université de Montréal; C.P. 6128, Succursale Centre-Ville Montréal Québec H3C 3J7 Canada
- Department of Chemistry; Massachusetts Institute of Technology; 77 Massachusetts Ave Cambridge 02139 USA
| | - Fraser Hof
- Department of Chemistry; University of Victoria; Victoria British Columbia V8W 3V6 Canada
| | - William D. Lubell
- Département de Chimie; Université de Montréal; C.P. 6128, Succursale Centre-Ville Montréal Québec H3C 3J7 Canada
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Zhang J, Mulumba M, Ong H, Lubell WD. Diversity-Oriented Synthesis of Cyclic Azapeptides by A3-Macrocyclization Provides High-Affinity CD36-Modulating Peptidomimetics. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201611685] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Jinqiang Zhang
- Département de Chimie; Université de Montréal; C.P. 6128, Succursale Centre-Ville Montréal Québec H3C 3J7 Canada
- Present address: School of Pharmaceutical Science; Chongqing University; Chongqing 401331 China
| | - Mukandila Mulumba
- Faculté de Pharmacie; Université de Montréal; C.P. 6128, Succursale Centre-Ville Montréal Québec H3C 3J7 Canada
| | - Huy Ong
- Faculté de Pharmacie; Université de Montréal; C.P. 6128, Succursale Centre-Ville Montréal Québec H3C 3J7 Canada
| | - William D. Lubell
- Département de Chimie; Université de Montréal; C.P. 6128, Succursale Centre-Ville Montréal Québec H3C 3J7 Canada
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Zhang J, Mulumba M, Ong H, Lubell WD. Diversity-Oriented Synthesis of Cyclic Azapeptides by A 3 -Macrocyclization Provides High-Affinity CD36-Modulating Peptidomimetics. Angew Chem Int Ed Engl 2017; 56:6284-6288. [PMID: 28090719 DOI: 10.1002/anie.201611685] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 12/14/2016] [Indexed: 11/11/2022]
Abstract
Macrocyclization has enabled the use of peptides in drug discovery creating a need for methods to synthesize diverse peptide macrocycles. Azapeptides have advanced to clinically used drugs, however, few cyclic azapeptides have been studied. A multiple component "A3 -macrocyclization" strategy is described for the preparation of diverse cyclic azapeptides and is demonstrated by the synthesis of 15 growth hormone releasing hormone-6 (GHRP-6) analogs. Certain cyclic aza-GHRP-6 analogs exhibited unprecedented affinity for the CD36 receptor, and capacity to modulate Toll-like receptor agonist-induced overproduction of nitric oxide, and reduce pro-inflammatory cytokine and chemokine production in macrophages.
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Affiliation(s)
- Jinqiang Zhang
- Département de Chimie, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, Québec, H3C 3J7, Canada.,Present address: School of Pharmaceutical Science, Chongqing University, Chongqing, 401331, China
| | - Mukandila Mulumba
- Faculté de Pharmacie, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, Québec, H3C 3J7, Canada
| | - Huy Ong
- Faculté de Pharmacie, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, Québec, H3C 3J7, Canada
| | - William D Lubell
- Département de Chimie, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, Québec, H3C 3J7, Canada
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Chingle R, Ratni S, Claing A, Lubell WD. Application of constrained aza-valine analogs for Smac mimicry. Biopolymers 2016; 106:235-44. [DOI: 10.1002/bip.22851] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 03/31/2016] [Accepted: 04/05/2016] [Indexed: 01/06/2023]
Affiliation(s)
- Ramesh Chingle
- Département De Chimie; Université De Montréal, C.P. 6128, Succursale Centre-Ville, Montréal; QC H3C 3J7 Canada
| | - Sara Ratni
- Département De Pharmacologie; Université De Montréal, C.P. 6128, Succursale Centre-Ville, Montréal; QC H3C 3J7 Canada
| | - Audrey Claing
- Département De Pharmacologie; Université De Montréal, C.P. 6128, Succursale Centre-Ville, Montréal; QC H3C 3J7 Canada
| | - William D. Lubell
- Département De Chimie; Université De Montréal, C.P. 6128, Succursale Centre-Ville, Montréal; QC H3C 3J7 Canada
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Romero-Estudillo I, Boto A. Domino Process Achieves Site-Selective Peptide Modification with High Optical Purity. Applications to Chain Diversification and Peptide Ligation. J Org Chem 2015; 80:9379-91. [DOI: 10.1021/acs.joc.5b00932] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Ivan Romero-Estudillo
- Instituto de Productos Naturales y Agrobiología del CSIC, Avda. Astrofísico Francisco Sánchez 3, 38206-La Laguna, Tenerife, Spain
| | - Alicia Boto
- Instituto de Productos Naturales y Agrobiología del CSIC, Avda. Astrofísico Francisco Sánchez 3, 38206-La Laguna, Tenerife, Spain
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Furukawa S, Fukuyama T, Matsui A, Kuratsu M, Nakaya R, Ineyama T, Ueda H, Ryu I. Coupling-Reagent-Free Synthesis of Dipeptides and Tripeptides Using Amino Acid Ionic Liquids. Chemistry 2015. [DOI: 10.1002/chem.201501783] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Doan ND, Zhang J, Traoré M, Kamdem W, Lubell WD. Solid-phase synthesis of C-terminal azapeptides. J Pept Sci 2014; 21:387-91. [DOI: 10.1002/psc.2711] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Revised: 10/04/2014] [Accepted: 10/13/2014] [Indexed: 12/21/2022]
Affiliation(s)
- Ngoc-Duc Doan
- Département de Chimie; Université de Montréal; C.P. 6128, Succursale Centre-Ville Montréal Québec H3C 3J7 Canada
| | - Jinqiang Zhang
- Département de Chimie; Université de Montréal; C.P. 6128, Succursale Centre-Ville Montréal Québec H3C 3J7 Canada
| | - Mariam Traoré
- Département de Chimie; Université de Montréal; C.P. 6128, Succursale Centre-Ville Montréal Québec H3C 3J7 Canada
| | - Winnie Kamdem
- Département de Chimie; Université de Montréal; C.P. 6128, Succursale Centre-Ville Montréal Québec H3C 3J7 Canada
| | - William D. Lubell
- Département de Chimie; Université de Montréal; C.P. 6128, Succursale Centre-Ville Montréal Québec H3C 3J7 Canada
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Traoré M, Doan ND, Lubell WD. Diversity-Oriented Synthesis of Azapeptides with Basic Amino Acid Residues: Aza-Lysine, Aza-Ornithine, and Aza-Arginine. Org Lett 2014; 16:3588-91. [DOI: 10.1021/ol501586y] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Mariam Traoré
- Département de Chimie, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, Québec, Canada H3C 3J7
| | - Ngoc-Duc Doan
- Département de Chimie, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, Québec, Canada H3C 3J7
| | - William D. Lubell
- Département de Chimie, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, Québec, Canada H3C 3J7
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Liu Y, Liu Y, Shanahan CS, Xu X, Doyle MP. A survey of enoldiazo nucleophilicity in selective C-C bond forming reactions for the synthesis of natural product-like frameworks. Org Biomol Chem 2014; 12:5227-34. [PMID: 24920324 DOI: 10.1039/c4ob00709c] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A survey of in situ, catalytically generated carbocations for coupling with enoldiazoacetate nucleophiles was performed. These couplings facilitate the rapid assembly of complex organodiazo compounds that provide a template for the synthesis of a variety of carbocyclic and heterocyclic ring systems.
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Affiliation(s)
- Yuxiao Liu
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742, USA.
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