1
|
Das BK, Chowdhury A, Chatterjee S, Tripathi NM, Pati B, Dutta S, Bandyopadhyay A. Harnessing a bis-electrophilic boronic acid lynchpin for azaborolo thiazolidine (ABT) grafting in cyclic peptides. Chem Sci 2024:d4sc04348k. [PMID: 39144456 PMCID: PMC11320178 DOI: 10.1039/d4sc04348k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Accepted: 07/24/2024] [Indexed: 08/16/2024] Open
Abstract
Chemical modifications of native peptides have significantly advanced modern drug discovery in recent decades. On this front, the installation of multitasking molecular grafts onto macrocyclic peptides offers numerous opportunities in biomedical applications. Here, we showcase a new class of borono-cyclic peptides featuring an azaborolo thiazolidine (ABT) graft, which can be readily assembled utilizing a bis-electrophilic boronic acid lynchpin while harnessing the inherent reactivity difference (>103 M-1 s-1) between the N-terminal cysteine and backbone cysteine for rapid and highly regioselective macrocyclization (∼1 h) under physiological conditions. The ABT-crosslinked peptides are fairly stable in endogenous environments, but can provide the linear diazaborine peptides via treatment with α-nucleophiles. This efficient peptide crosslinking protocol was further extended for regioselective bicyclizations and engineering of α-helical structures. Finally, ABT-grafted peptides were exploited in biorthogonal conjugation, leading to highly effective intracellular delivery of an apoptotic peptide (KLA) in cancer cells. The mechanism of action by which ABT-grafted KLA peptide induces apoptosis was also explored.
Collapse
Affiliation(s)
- Basab Kanti Das
- Biomimetic Peptide Engineering Laboratory, Department of Chemistry, Indian Institute of Technology Ropar Rupnagar Punjab 140001 India
| | - Arnab Chowdhury
- Biomimetic Peptide Engineering Laboratory, Department of Chemistry, Indian Institute of Technology Ropar Rupnagar Punjab 140001 India
| | - Saurav Chatterjee
- Biomimetic Peptide Engineering Laboratory, Department of Chemistry, Indian Institute of Technology Ropar Rupnagar Punjab 140001 India
| | - Nitesh Mani Tripathi
- Biomimetic Peptide Engineering Laboratory, Department of Chemistry, Indian Institute of Technology Ropar Rupnagar Punjab 140001 India
| | - Bibekananda Pati
- Biomimetic Peptide Engineering Laboratory, Department of Chemistry, Indian Institute of Technology Ropar Rupnagar Punjab 140001 India
| | - Soumit Dutta
- Biomimetic Peptide Engineering Laboratory, Department of Chemistry, Indian Institute of Technology Ropar Rupnagar Punjab 140001 India
| | - Anupam Bandyopadhyay
- Biomimetic Peptide Engineering Laboratory, Department of Chemistry, Indian Institute of Technology Ropar Rupnagar Punjab 140001 India
| |
Collapse
|
2
|
Fan C, Zhang Z, Lai Z, Yang Y, Li J, Liu L, Chen S, Hu X, Zhao H, Cui S. Chemical Evolution and Biological Evaluation of Natural Products for Efficient Therapy of Acute Lung Injury. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2305432. [PMID: 38126681 PMCID: PMC10870070 DOI: 10.1002/advs.202305432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 11/01/2023] [Indexed: 12/23/2023]
Abstract
Acute lung injury (ALI) is one of the most common complications in COVID-19 and also a syndrome of acute respiratory failure with high mortality rates, but lacks effective therapeutic drugs. Natural products provide inspiration and have proven to be the most valuable source for bioactive molecule discovery. In this study, the chemical evolution of the natural product Tanshinone IIA (Tan-IIA) to achieve a piperidine-fused scaffold through a synthetic route of pre-activation, multi-component reaction, and post-modification is presented. Through biological evaluation, it is pinpointed that compound 8b is a standout candidate with remarkable anti-inflammation and anti-oxidative stress properties, coupled with low toxicity. The mechanistic study unveils a multifaceted biological profile of 8b and shows that 8b is highly efficient in vivo for the treatment of ALI. Therefore, this work not only provides an effective strategy for the treatment of ALI, but also offers a distinctive natural product-inspired drug discovery.
Collapse
Affiliation(s)
- Chengcheng Fan
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesNational Key Laboratory of Advanced Drug Delivery and Release SystemsZhejiang University866 Yuhangtang RoadHangzhou310058China
| | - Zeyi Zhang
- College of Pharmaceutical SciencesZhejiang Chinese Medical UniversityHangzhou311402China
| | - Zhencheng Lai
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesNational Key Laboratory of Advanced Drug Delivery and Release SystemsZhejiang University866 Yuhangtang RoadHangzhou310058China
| | - Yanzi Yang
- College of Pharmaceutical SciencesZhejiang Chinese Medical UniversityHangzhou311402China
| | - Jiaming Li
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesNational Key Laboratory of Advanced Drug Delivery and Release SystemsZhejiang University866 Yuhangtang RoadHangzhou310058China
| | - Lei Liu
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesNational Key Laboratory of Advanced Drug Delivery and Release SystemsZhejiang University866 Yuhangtang RoadHangzhou310058China
| | - Siyu Chen
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesNational Key Laboratory of Advanced Drug Delivery and Release SystemsZhejiang University866 Yuhangtang RoadHangzhou310058China
| | - Xueping Hu
- Institute of Molecular Sciences and EngineeringInstitute of Frontier and Interdisciplinary ScienceShandong UniversityQingdao266237China
| | - Huajun Zhao
- College of Pharmaceutical SciencesZhejiang Chinese Medical UniversityHangzhou311402China
| | - Sunliang Cui
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesNational Key Laboratory of Advanced Drug Delivery and Release SystemsZhejiang University866 Yuhangtang RoadHangzhou310058China
- Jinhua Institute of Zhejiang UniversityJinhuaZhejiang321299China
| |
Collapse
|
3
|
Jaiswal MK, Gupta A, Ansari FJ, Pandey VK, Tiwari VK. Recent Progress on Synthesis of Functionalized 1,5-Disubstituted Triazoles. Curr Org Synth 2024; 21:513-558. [PMID: 38804327 DOI: 10.2174/1570179420666230418123350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 12/13/2022] [Accepted: 01/12/2023] [Indexed: 05/29/2024]
Abstract
Immediately after the invention of 'Click Chemistry' in 2002, the regioselective 1,2,3- triazole scaffolds resulted from respective organic azides and terminal alkynes under Cu(I) catalysis have been well recognized as the functional heterocyclic core at the centre of modern organic chemistry, medicinal chemistry, and material sciences. This CuAAC reaction has several notable features including excellent regioselectivity, high-to-excellent yields, easy to execute, short reaction time, modular in nature, mild condition, readily available starting materials, etc. Moreover, the resulting regioselective triazoles can serve as amide bond isosteres, a privileged functional group in drug discovery and development. More than hundreds of reviews had been devoted to the 'Click Chemistry' in special reference to 1,4-disubstituted triazoles, while only little efforts were made for an opposite regioisomer i.e., 1,5-disubstituted triazole. Herein, we have presented various classical approaches for an expeditious synthesis of a wide range of biologically relevant 1,5- disubstituted 1,2,3-triazole analogues. The syntheses of such a class of diversly functionalized triazoles have emerged as a crucial investigation in the domain of chemistry and biology. This tutorial review covers the literature assessment on the development of various synthetic protocols for the functionalized 1,5-disubstituted triazoles reported during the last 12 years.
Collapse
Affiliation(s)
- Manoj K Jaiswal
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Abhishek Gupta
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Faisal J Ansari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Vinay K Pandey
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Vinod K Tiwari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| |
Collapse
|
4
|
Fumo VM, Roberts RC, Zhang J, O'Reilly MC. Diastereoselective synthesis of cyclic tetrapeptide pseudoxylallemycin A illuminates the impact of base during macrolactamization. Org Biomol Chem 2023; 21:1056-1069. [PMID: 36628602 PMCID: PMC11311250 DOI: 10.1039/d2ob02126a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Therapeutic agents with unique molecular structures and new mechanisms of action are needed to confront the phenomenon of multidrug resistance among bacteria. Pseudoxylallemycins, cyclic tetrapeptide (CTP) natural products, have exhibited modest antibiotic activity, but their synthesis has proven challenging. Inherent ring strain in CTPs decreases the rate of cyclization in lieu of polymerization and racemization pathways, which has resulted in previous syntheses describing mixtures of diastereomers containing predominantly an undesired epimer. We have optimized the cyclization step of pseudoxylallemycin A to favor production of the natural diastereomer; notably, variation of the base, temperature, and solvent with peptide coupling reagent propylphosphonic anhydride (T3P) afforded exquisite selectivity for the natural product in as high as 97 : 3 DR, and our conditions can provide the natural product in up to 32% overall yield through 8 steps. Employing weaker bases than those typically used in peptide coupling reactions led to the greatest improvement in diastereoselectivity, and these studies demonstrated that the identity of the amine base has enormous impact on the rate of C-terminal epimerization when T3P is used, a variable usually considered of lesser consequence when combined with typical amide coupling reagents. Toward fully characterizing pseudoxylallemycin stereoisomers, variable temperature NMR was described as a tool to more clearly analyze CTPs that exhibit multiple conformational states. These synthetic and spectroscopic insights were applied toward synthesizing several natural product analogues, and their antibacterial activity was examined using microdilution assays.
Collapse
Affiliation(s)
- Vincent M Fumo
- Department of Chemistry, Villanova University, 800 E Lancaster Ave, Villanova, Pennsylvania 19085, USA.
| | - R Charlie Roberts
- Department of Chemistry, Villanova University, 800 E Lancaster Ave, Villanova, Pennsylvania 19085, USA.
| | - Jieyu Zhang
- Department of Chemistry, Villanova University, 800 E Lancaster Ave, Villanova, Pennsylvania 19085, USA.
| | - Matthew C O'Reilly
- Department of Chemistry, Villanova University, 800 E Lancaster Ave, Villanova, Pennsylvania 19085, USA.
| |
Collapse
|
5
|
Brusa I, Sondo E, Falchi F, Pedemonte N, Roberti M, Cavalli A. Proteostasis Regulators in Cystic Fibrosis: Current Development and Future Perspectives. J Med Chem 2022; 65:5212-5243. [PMID: 35377645 PMCID: PMC9014417 DOI: 10.1021/acs.jmedchem.1c01897] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In cystic fibrosis (CF), the deletion of phenylalanine 508 (F508del) in the CF transmembrane conductance regulator (CFTR) leads to misfolding and premature degradation of the mutant protein. These defects can be targeted with pharmacological agents named potentiators and correctors. During the past years, several efforts have been devoted to develop and approve new effective molecules. However, their clinical use remains limited, as they fail to fully restore F508del-CFTR biological function. Indeed, the search for CFTR correctors with different and additive mechanisms has recently increased. Among them, drugs that modulate the CFTR proteostasis environment are particularly attractive to enhance therapy effectiveness further. This Perspective focuses on reviewing the recent progress in discovering CFTR proteostasis regulators, mainly describing the design, chemical structure, and structure-activity relationships. The opportunities, challenges, and future directions in this emerging and promising field of research are discussed, as well.
Collapse
Affiliation(s)
- Irene Brusa
- Department of Pharmacy and Biotechnology, University of Bologna, 40126 Bologna, Italy.,Computational & Chemical Biology, Istituto Italiano di Tecnologia, 16163 Genova, Italy
| | - Elvira Sondo
- UOC Genetica Medica, IRCCS Istituto Giannina Gaslini, 16147 Genova, Italy
| | | | | | - Marinella Roberti
- Department of Pharmacy and Biotechnology, University of Bologna, 40126 Bologna, Italy
| | - Andrea Cavalli
- Department of Pharmacy and Biotechnology, University of Bologna, 40126 Bologna, Italy.,Computational & Chemical Biology, Istituto Italiano di Tecnologia, 16163 Genova, Italy
| |
Collapse
|
6
|
Song Q, Cheng Z, Kariuki M, Hall SCL, Hill SK, Rho JY, Perrier S. Molecular Self-Assembly and Supramolecular Chemistry of Cyclic Peptides. Chem Rev 2021; 121:13936-13995. [PMID: 33938738 PMCID: PMC8824434 DOI: 10.1021/acs.chemrev.0c01291] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Indexed: 01/19/2023]
Abstract
This Review focuses on the establishment and development of self-assemblies governed by the supramolecular interactions between cyclic peptides. The Review first describes the type of cyclic peptides able to assemble into tubular structures to form supramolecular cyclic peptide nanotubes. A range of cyclic peptides have been identified to have such properties, including α-peptides, β-peptides, α,γ-peptides, and peptides based on δ- and ε-amino acids. The Review covers the design and functionalization of these cyclic peptides and expands to a recent advance in the design and application of these materials through their conjugation to polymer chains to generate cyclic peptide-polymer conjugates nanostructures. The Review, then, concentrates on the challenges in characterizing these systems and presents an overview of the various analytical and characterization techniques used to date. This overview concludes with a critical survey of the various applications of the nanomaterials obtained from supramolecular cyclic peptide nanotubes, with a focus on biological and medical applications, ranging from ion channels and membrane insertion to antibacterial materials, anticancer drug delivery, gene delivery, and antiviral applications.
Collapse
Affiliation(s)
- Qiao Song
- Department
of Chemistry, University of Warwick, Coventry CV4 7AL, U.K.
| | - Zihe Cheng
- Department
of Chemistry, University of Warwick, Coventry CV4 7AL, U.K.
| | - Maria Kariuki
- Department
of Chemistry, University of Warwick, Coventry CV4 7AL, U.K.
| | | | - Sophie K. Hill
- Department
of Chemistry, University of Warwick, Coventry CV4 7AL, U.K.
| | - Julia Y. Rho
- Department
of Chemistry, University of Warwick, Coventry CV4 7AL, U.K.
| | - Sébastien Perrier
- Department
of Chemistry, University of Warwick, Coventry CV4 7AL, U.K.
- Warwick Medical
School, University of Warwick, Coventry CV4 7AL, U.K.
- Faculty
of Pharmacy and Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
| |
Collapse
|
7
|
Ghosh U, Basu M, Pal S, Meena S, Datta D, Ampapathi RS, Kundu TK, Singh G, Chakraborty TK. Design, Synthesis and Conformational Studies of Cyclic Tetrapeptides having βγ Fused Turns as HDAC Inhibitors. ChemistrySelect 2021. [DOI: 10.1002/slct.202102417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Uttam Ghosh
- Department of Organic Chemistry Indian Institute of Science Bengaluru 560012 India
| | - Moumita Basu
- Transcription and Disease Laboratory Molecular Biology & Genetics Unit Jawaharlal Nehru Centre for Advanced Scientific Research Bengaluru 560064 India
| | - Sudip Pal
- CSIR-Central Drug Research Institute Sector 10, Jankipuram Extension Sitapur Road Lucknow 226031 India
| | - Sanjeev Meena
- CSIR-Central Drug Research Institute Sector 10, Jankipuram Extension Sitapur Road Lucknow 226031 India
| | - Dipak Datta
- CSIR-Central Drug Research Institute Sector 10, Jankipuram Extension Sitapur Road Lucknow 226031 India
| | - Ravi Sankar Ampapathi
- CSIR-Central Drug Research Institute Sector 10, Jankipuram Extension Sitapur Road Lucknow 226031 India
| | - Tapas K Kundu
- Transcription and Disease Laboratory Molecular Biology & Genetics Unit Jawaharlal Nehru Centre for Advanced Scientific Research Bengaluru 560064 India
- CSIR-Central Drug Research Institute Sector 10, Jankipuram Extension Sitapur Road Lucknow 226031 India
| | - Gajendra Singh
- CSIR-Central Drug Research Institute Sector 10, Jankipuram Extension Sitapur Road Lucknow 226031 India
- National Centre for Biological Sciences Tata Institute of Fundamental Research Bellary Road Bengaluru 560065 India
| | | |
Collapse
|
8
|
Bechtler C, Lamers C. Macrocyclization strategies for cyclic peptides and peptidomimetics. RSC Med Chem 2021; 12:1325-1351. [PMID: 34447937 PMCID: PMC8372203 DOI: 10.1039/d1md00083g] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 06/01/2021] [Indexed: 12/12/2022] Open
Abstract
Peptides are a growing therapeutic class due to their unique spatial characteristics that can target traditionally "undruggable" protein-protein interactions and surfaces. Despite their advantages, peptides must overcome several key shortcomings to be considered as drug leads, including their high conformational flexibility and susceptibility to proteolytic cleavage. As a general approach for overcoming these challenges, macrocyclization of a linear peptide can usually improve these characteristics. Their synthetic accessibility makes peptide macrocycles very attractive, though traditional synthetic methods for macrocyclization can be challenging for peptides, especially for head-to-tail cyclization. This review provides an updated summary of the available macrocyclization chemistries, such as traditional lactam formation, azide-alkyne cycloadditions, ring-closing metathesis as well as unconventional cyclization reactions, and it is structured according to the obtained functional groups. Keeping peptide chemistry and screening in mind, the focus is given to reactions applicable in solution, on solid supports, and compatible with contemporary screening methods.
Collapse
Affiliation(s)
- Clément Bechtler
- Department Pharmaceutical Sciences, University of Basel Klingelbergstr. 50 4056 Basel Switzerland
| | - Christina Lamers
- Department Pharmaceutical Sciences, University of Basel Klingelbergstr. 50 4056 Basel Switzerland
| |
Collapse
|
9
|
Herlan CN, Sonnefeld A, Gloge T, Brückel J, Schlee LC, Muhle-Goll C, Nieger M, Bräse S. Macrocyclic Tetramers-Structural Investigation of Peptide-Peptoid Hybrids. Molecules 2021; 26:molecules26154548. [PMID: 34361700 PMCID: PMC8348019 DOI: 10.3390/molecules26154548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 07/23/2021] [Accepted: 07/24/2021] [Indexed: 11/16/2022] Open
Abstract
Outstanding affinity and specificity are the main characteristics of peptides, rendering them interesting compounds for basic and medicinal research. However, their biological applicability is limited due to fast proteolytic degradation. The use of mimetic peptoids overcomes this disadvantage, though they lack stereochemical information at the α-carbon. Hybrids composed of amino acids and peptoid monomers combine the unique properties of both parent classes. Rigidification of the backbone increases the affinity towards various targets. However, only little is known about the spatial structure of such constrained hybrids. The determination of the three-dimensional structure is a key step for the identification of new targets as well as the rational design of bioactive compounds. Herein, we report the synthesis and the structural elucidation of novel tetrameric macrocycles. Measurements were taken in solid and solution states with the help of X-ray scattering and NMR spectroscopy. The investigations made will help to find diverse applications for this new, promising compound class.
Collapse
Affiliation(s)
- Claudine Nicole Herlan
- Institute of Organic Chemistry, Karlsruhe Institute of Technology, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany; (C.N.H.); (J.B.); (L.C.S.)
| | - Anna Sonnefeld
- Institute for Biological Interfaces 4, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany; (A.S.); (T.G.); (C.M.-G.)
| | - Thomas Gloge
- Institute for Biological Interfaces 4, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany; (A.S.); (T.G.); (C.M.-G.)
| | - Julian Brückel
- Institute of Organic Chemistry, Karlsruhe Institute of Technology, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany; (C.N.H.); (J.B.); (L.C.S.)
| | - Luisa Chiara Schlee
- Institute of Organic Chemistry, Karlsruhe Institute of Technology, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany; (C.N.H.); (J.B.); (L.C.S.)
| | - Claudia Muhle-Goll
- Institute for Biological Interfaces 4, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany; (A.S.); (T.G.); (C.M.-G.)
| | - Martin Nieger
- Department of Chemistry, University of Helsinki, P.O. Box 55 (A.I. Virtasen aukio 1), FIN-00014 Helsinki, Finland;
| | - Stefan Bräse
- Institute of Organic Chemistry, Karlsruhe Institute of Technology, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany; (C.N.H.); (J.B.); (L.C.S.)
- Institute of Biological and Chemical Systems—Functional Molecular Systems, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- Correspondence:
| |
Collapse
|
10
|
Agrahari AK, Bose P, Jaiswal MK, Rajkhowa S, Singh AS, Hotha S, Mishra N, Tiwari VK. Cu(I)-Catalyzed Click Chemistry in Glycoscience and Their Diverse Applications. Chem Rev 2021; 121:7638-7956. [PMID: 34165284 DOI: 10.1021/acs.chemrev.0c00920] [Citation(s) in RCA: 159] [Impact Index Per Article: 53.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Copper(I)-catalyzed 1,3-dipolar cycloaddition between organic azides and terminal alkynes, commonly known as CuAAC or click chemistry, has been identified as one of the most successful, versatile, reliable, and modular strategies for the rapid and regioselective construction of 1,4-disubstituted 1,2,3-triazoles as diversely functionalized molecules. Carbohydrates, an integral part of living cells, have several fascinating features, including their structural diversity, biocompatibility, bioavailability, hydrophilicity, and superior ADME properties with minimal toxicity, which support increased demand to explore them as versatile scaffolds for easy access to diverse glycohybrids and well-defined glycoconjugates for complete chemical, biochemical, and pharmacological investigations. This review highlights the successful development of CuAAC or click chemistry in emerging areas of glycoscience, including the synthesis of triazole appended carbohydrate-containing molecular architectures (mainly glycohybrids, glycoconjugates, glycopolymers, glycopeptides, glycoproteins, glycolipids, glycoclusters, and glycodendrimers through regioselective triazole forming modular and bio-orthogonal coupling protocols). It discusses the widespread applications of these glycoproducts as enzyme inhibitors in drug discovery and development, sensing, gelation, chelation, glycosylation, and catalysis. This review also covers the impact of click chemistry and provides future perspectives on its role in various emerging disciplines of science and technology.
Collapse
Affiliation(s)
- Anand K Agrahari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Priyanka Bose
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Manoj K Jaiswal
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Sanchayita Rajkhowa
- Department of Chemistry, Jorhat Institute of Science and Technology (JIST), Jorhat, Assam 785010, India
| | - Anoop S Singh
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Srinivas Hotha
- Department of Chemistry, Indian Institute of Science and Engineering Research (IISER), Pune, Maharashtra 411021, India
| | - Nidhi Mishra
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Vinod K Tiwari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| |
Collapse
|
11
|
Hayes HC, Luk LYP, Tsai YH. Approaches for peptide and protein cyclisation. Org Biomol Chem 2021; 19:3983-4001. [PMID: 33978044 PMCID: PMC8114279 DOI: 10.1039/d1ob00411e] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 04/01/2021] [Indexed: 12/26/2022]
Abstract
The cyclisation of polypeptides can play a crucial role in exerting biological functions, maintaining stability under harsh conditions and conferring proteolytic resistance, as demonstrated both in nature and in the laboratory. To date, various approaches have been reported for polypeptide cyclisation. These approaches range from the direct linkage of N- and C- termini to the connection of amino acid side chains, which can be applied both in reaction vessels and in living systems. In this review, we categorise the cyclisation approaches into chemical methods (e.g. direct backbone cyclisation, native chemical ligation, aldehyde-based ligations, bioorthogonal reactions, disulphide formation), enzymatic methods (e.g. subtiligase variants, sortases, asparaginyl endopeptidases, transglutaminases, non-ribosomal peptide synthetases) and protein tags (e.g. inteins, engineered protein domains for isopeptide bond formation). The features of each approach and the considerations for selecting an appropriate method of cyclisation are discussed.
Collapse
Affiliation(s)
- Heather C Hayes
- School of Chemistry, Cardiff University, Cardiff, CF10 3AT, UK
| | - Louis Y P Luk
- School of Chemistry, Cardiff University, Cardiff, CF10 3AT, UK and Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT.
| | - Yu-Hsuan Tsai
- School of Chemistry, Cardiff University, Cardiff, CF10 3AT, UK and Institute of Molecular Physiology, Shenzhen Bay Laboratory, Shenzhen 518132, China.
| |
Collapse
|
12
|
Grob N, Schibli R, Béhé M, Valverde IE, Mindt TL. 1,5-Disubstituted 1,2,3-Triazoles as Amide Bond Isosteres Yield Novel Tumor-Targeting Minigastrin Analogs. ACS Med Chem Lett 2021; 12:585-592. [PMID: 33859799 PMCID: PMC8040048 DOI: 10.1021/acsmedchemlett.0c00636] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 03/08/2021] [Indexed: 12/12/2022] Open
Abstract
1,5-Disubstituted 1,2,3-triazoles (1,5-Tz) are considered bioisosteres of cis-amide bonds. However, their use for enhancing the pharmacological properties of peptides or proteins is not yet well established. Aiming to illustrate their utility, we chose the peptide conjugate [Nle15]MG11 (DOTA-dGlu-Ala-Tyr-Gly-Trp-Nle-Asp-Phe-NH2) as a model compound since it is known that the cholecystokinin-2 receptor (CCK2R) is able to accommodate turn conformations. Analogs of [Nle15]MG11 incorporating 1,5-Tz in the backbone were synthesized and radiolabeled with lutetium-177, and their pharmacological properties (cell internalization, receptor binding affinity and specificity, plasma stability, and biodistribution) were evaluated and compared with [Nle15]MG11 as well as their previously reported analogs bearing 1,4-disubstituted 1,2,3-triazoles. Our investigations led to the discovery of novel triazole-modified analogs of [Nle15]MG11 with nanomolar CCK2R-binding affinity and 2-fold increased tumor uptake. This study illustrates that substitution of amides by 1,5-disubstituted 1,2,3-triazoles is an effective strategy to enhance the pharmacological properties of biologically active peptides.
Collapse
Affiliation(s)
- Nathalie
M. Grob
- Department
of Chemistry and Applied Biosciences, ETH
Zurich, 8093 Zürich, Switzerland
| | - Roger Schibli
- Department
of Chemistry and Applied Biosciences, ETH
Zurich, 8093 Zürich, Switzerland
- Center
for Radiopharmaceutical Sciences, Division of Biology and Chemistry, Paul Scherrer Institute, 5232 Villigen, Switzerland
| | - Martin Béhé
- Center
for Radiopharmaceutical Sciences, Division of Biology and Chemistry, Paul Scherrer Institute, 5232 Villigen, Switzerland
| | - Ibai E. Valverde
- Institut
de Chimie Moléculaire de l’Université de Bourgogne,
UMR CNRS 6302, Université de Bourgogne Franche-Comté, 21000 Dijon, France
| | - Thomas L. Mindt
- Ludwig
Boltzmann Institute Applied Diagnostics, General Hospital of Vienna, 1090 Vienna, Austria
- Department
of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, 1090 Vienna, Austria
- Department
of Biomedical Imaging and Image Guided Therapy, Medical University of Vienna, 1090 Vienna, Austria
| |
Collapse
|
13
|
Costa GP, Dias ÍFC, Fronza MG, Besckow EM, Fetter J, Nascimento JER, Jacob RG, Savegnago L, Bortolatto CF, Brüning CA, Alves D. Synthesis of 2′-(1,2,3-triazoyl)-acetophenones: molecular docking and inhibition of in vitro monoamine oxidase activity. NEW J CHEM 2021. [DOI: 10.1039/d0nj04735j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The synthesis of 2′-(1,2,3-triazoyl)-acetophenones by a CuAAC using thiourea as a ligand, molecular docking and MAO activity analyses were performed.
Collapse
|
14
|
Dubey A, Takeuchi K, Reibarkh M, Arthanari H. The role of NMR in leveraging dynamics and entropy in drug design. JOURNAL OF BIOMOLECULAR NMR 2020; 74:479-498. [PMID: 32720098 PMCID: PMC7686249 DOI: 10.1007/s10858-020-00335-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 07/11/2020] [Indexed: 05/03/2023]
Abstract
Nuclear magnetic resonance (NMR) spectroscopy has contributed to structure-based drug development (SBDD) in a unique way compared to the other biophysical methods. The potency of a ligand binding to a protein is dictated by the binding free energy, which is an intricate interplay between entropy and enthalpy. In addition to providing the atomic resolution structural information, NMR can help to identify protein-ligand interactions that potentially contribute to the enthalpic component of the free energy. NMR can also illuminate dynamic aspects of the interaction, which correspond to the entropic term of the free energy. The ability of NMR to access both terms in the free energy equation stems from the suite of experiments developed to shed light on various aspects that contribute to both entropy and enthalpy, deepening our understanding of the biological function of macromolecules and assisting to target them in physiological conditions. Here we provide a brief account of the contribution of NMR to SBDD, highlighting hallmark examples and discussing the challenges that demand further method development. In the era of integrated biology, the unique ability of NMR to directly ascertain structural and dynamical aspects of macromolecule and monitor changes in these properties upon engaging a ligand can be combined with computational and other structural and biophysical methods to provide a more complete picture of the energetics of drug engagement with the target. Such efforts can be used to engineer better drugs.
Collapse
Affiliation(s)
- Abhinav Dubey
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, 02115, USA
| | - Koh Takeuchi
- Cellular and Molecular Biotechnology Research Institute & Molecular Profiling Research Center for Drug Discovery (molprof), National Institute of Advanced Industrial Science and Technology (AIST), Tokyo, 135-0064, Japan.
| | - Mikhail Reibarkh
- Analytical Research and Development, Merck & Co., Inc., Rahway, NJ, 07065, USA
| | - Haribabu Arthanari
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA.
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, 02115, USA.
| |
Collapse
|
15
|
Rečnik LM, Kandioller W, Mindt TL. 1,4-Disubstituted 1,2,3-Triazoles as Amide Bond Surrogates for the Stabilisation of Linear Peptides with Biological Activity. Molecules 2020; 25:E3576. [PMID: 32781656 PMCID: PMC7465391 DOI: 10.3390/molecules25163576] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/03/2020] [Accepted: 08/04/2020] [Indexed: 12/20/2022] Open
Abstract
Peptides represent an important class of biologically active molecules with high potential for the development of diagnostic and therapeutic agents due to their structural diversity, favourable pharmacokinetic properties, and synthetic availability. However, the widespread use of peptides and conjugates thereof in clinical applications can be hampered by their low stability in vivo due to rapid degradation by endogenous proteases. A promising approach to circumvent this potential limitation includes the substitution of metabolically labile amide bonds in the peptide backbone by stable isosteric amide bond mimetics. In this review, we focus on the incorporation of 1,4-disubstituted 1,2,3-triazoles as amide bond surrogates in linear peptides with the aim to increase their stability without impacting their biological function(s). We highlight the properties of this heterocycle as a trans-amide bond surrogate and summarise approaches for the synthesis of triazole-containing peptidomimetics via the Cu(I)-catalysed azide-alkyne cycloaddition (CuAAC). The impacts of the incorporation of triazoles in the backbone of diverse peptides on their biological properties such as, e.g., blood serum stability and affinity as well as selectivity towards their respective molecular target(s) are discussed.
Collapse
Affiliation(s)
- Lisa-Maria Rečnik
- Ludwig Boltzmann Institute Applied Diagnostics, General Hospital Vienna, 1090 Vienna, Austria;
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, 1090 Vienna, Austria;
- Department of Biomedical Imaging and Image Guided Therapy, Division of Nuclear Medicine, Medical University of Vienna, 1090 Vienna, Austria
| | - Wolfgang Kandioller
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, 1090 Vienna, Austria;
| | - Thomas L. Mindt
- Ludwig Boltzmann Institute Applied Diagnostics, General Hospital Vienna, 1090 Vienna, Austria;
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, 1090 Vienna, Austria;
- Department of Biomedical Imaging and Image Guided Therapy, Division of Nuclear Medicine, Medical University of Vienna, 1090 Vienna, Austria
| |
Collapse
|
16
|
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.
Collapse
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
| |
Collapse
|
17
|
Kulsi G, Sannigrahi A, Mishra S, Das Saha K, Datta S, Chattopadhyay P, Chattopadhyay K. A Novel Cyclic Mobile Transporter Can Induce Apoptosis by Facilitating Chloride Anion Transport into Cells. ACS OMEGA 2020; 5:16395-16405. [PMID: 32685802 PMCID: PMC7364434 DOI: 10.1021/acsomega.0c00438] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 06/03/2020] [Indexed: 06/11/2023]
Abstract
We report here the preparation of an aminoxy amide-based pseudopeptide-derived building block using furanoid sugar molecules. Through the cyclo-oligomerization reaction, we generate a hybrid triazole/aminoxy amide macrocycle using the as-prepared building block. The novel conformation of the macrocycle has been characterized using NMR and molecular modeling studies, which show a strong resemblance of our synthesized compound to d-,l-α-aminoxy acid-based cyclic peptides that contain uniform backbone chirality. We observe that the macrocycle can efficiently and selectively bind Cl- ion and transport Cl- ion across a lipid bilayer. 1H NMR anion binding studies suggest a coherent relationship between the acidity of aminoxy amide N-H and triazole C-H proton binding strength. Using time-based fluorescence assay, we show that the macrocycle acts as a mobile transporter and follows an antiport mechanism. Our synthesized macrocycle imposes cancer cell death by disrupting ionic homeostasis through Cl- ion transport. The macrocycle induced cytochrome c leakage and changes in mitochondrial membrane potential along with activation of family of caspases, suggesting that the cellular apoptosis occurs through a caspase-dependent intrinsic pathway. The present results suggest the possibility of using the macrocycle as a biological tool of high therapeutic value.
Collapse
Affiliation(s)
- Goutam Kulsi
- Structural
Biology and Bioinformatics Division, CSIR-
Indian Institute of Chemical Biology (IICB), Kolkata 700032, India
- Organic
and Medicinal Chemistry Division, CSIR-
Indian Institute of Chemical Biology (IICB), Kolkata 700032, India
| | - Achinta Sannigrahi
- Structural
Biology and Bioinformatics Division, CSIR-
Indian Institute of Chemical Biology (IICB), Kolkata 700032, India
| | - Snehasis Mishra
- Cancer
Biology and Inflammatory Disorder Division, CSIR- Indian Institute of Chemical Biology (IICB), Kolkata 700032, India
- Department
of Chemical Technology, University of Calcutta, Kolkata 700009, India
| | - Krishna Das Saha
- Cancer
Biology and Inflammatory Disorder Division, CSIR- Indian Institute of Chemical Biology (IICB), Kolkata 700032, India
| | - Sriparna Datta
- Department
of Chemical Technology, University of Calcutta, Kolkata 700009, India
| | - Partha Chattopadhyay
- Organic
and Medicinal Chemistry Division, CSIR-
Indian Institute of Chemical Biology (IICB), Kolkata 700032, India
| | - Krishnananda Chattopadhyay
- Structural
Biology and Bioinformatics Division, CSIR-
Indian Institute of Chemical Biology (IICB), Kolkata 700032, India
| |
Collapse
|
18
|
Rajasekar S, Anbarasan P. A General Proline‐Catalyzed Synthesis of 4,5‐Disubstituted
N
‐Sulfonyl‐1,2,3‐Triazoles from 1,3‐Dicarbonyl Compounds and Sulfonyl Azide. Chem Asian J 2019; 14:4563-4567. [DOI: 10.1002/asia.201901015] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 08/22/2019] [Indexed: 01/03/2023]
Affiliation(s)
- Shanmugam Rajasekar
- Department of ChemistryIndian Institute of Technology Madras Chennai- 600036 India
| | - Pazhamalai Anbarasan
- Department of ChemistryIndian Institute of Technology Madras Chennai- 600036 India
| |
Collapse
|
19
|
Sarojini V, Cameron AJ, Varnava KG, Denny WA, Sanjayan G. Cyclic Tetrapeptides from Nature and Design: A Review of Synthetic Methodologies, Structure, and Function. Chem Rev 2019; 119:10318-10359. [PMID: 31418274 DOI: 10.1021/acs.chemrev.8b00737] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Small cyclic peptides possess a wide range of biological properties and unique structures that make them attractive to scientists working in a range of areas from medicinal to materials chemistry. However, cyclic tetrapeptides (CTPs), which are important members of this family, are notoriously difficult to synthesize. Various synthetic methodologies have been developed that enable access to natural product CTPs and their rationally designed synthetic analogues having novel molecular structures. These methodologies include the use of reversible protecting groups such as pseudoprolines that restrict conformational freedom, ring contraction strategies, on-resin cyclization approaches, and optimization of coupling reagents and reaction conditions such as temperature and dilution factors. Several fundamental studies have documented the impacts of amino acid configurations, N-alkylation, and steric bulk on both synthetic success and ensuing conformations. Carefully executed retrosynthetic ring dissection and the unique structural features of the linear precursor sequences that result from the ring dissection are crucial for the success of the cyclization step. Other factors that influence the outcome of the cyclization step include reaction temperature, solvent, reagents used as well as dilution levels. The purpose of this review is to highlight the current state of affairs on naturally occurring and rationally designed cyclic tetrapeptides, including strategies investigated for their syntheses in the literature, the conformations adopted by these molecules, and specific examples of their function. Using selected examples from the literature, an in-depth discussion of the synthetic techniques and reaction parameters applied for the successful syntheses of 12-, 13-, and 14-membered natural product CTPs and their novel analogues are presented, with particular focus on the cyclization step. Selected examples of the three-dimensional structures of cyclic tetrapeptides studied by NMR, and X-ray crystallography are also included.
Collapse
Affiliation(s)
- Vijayalekshmi Sarojini
- School of Chemical Sciences and the Centre for Green Chemical Science , University of Auckland , Auckland 1142 , New Zealand.,The MacDiarmid Institute for Advanced Materials and Nanotechnology , Wellington 6140 , New Zealand
| | - Alan J Cameron
- School of Chemical Sciences and the Centre for Green Chemical Science , University of Auckland , Auckland 1142 , New Zealand
| | - Kyriakos G Varnava
- School of Chemical Sciences and the Centre for Green Chemical Science , University of Auckland , Auckland 1142 , New Zealand
| | | | - Gangadhar Sanjayan
- Division of Organic Chemistry , CSIR-National Chemical Laboratory , Dr. Homi Bhabha Road , Pune 411 008 , India
| |
Collapse
|
20
|
Appavoo SD, Huh S, Diaz DB, Yudin AK. Conformational Control of Macrocycles by Remote Structural Modification. Chem Rev 2019; 119:9724-9752. [DOI: 10.1021/acs.chemrev.8b00742] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Solomon D. Appavoo
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, Ontario, Canada M5S 3H6
| | - Sungjoon Huh
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, Ontario, Canada M5S 3H6
| | - Diego B. Diaz
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, Ontario, Canada M5S 3H6
| | - Andrei K. Yudin
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, Ontario, Canada M5S 3H6
| |
Collapse
|
21
|
Prasher P, Sharma M. Tailored therapeutics based on 1,2,3-1 H-triazoles: a mini review. MEDCHEMCOMM 2019; 10:1302-1328. [PMID: 31534652 PMCID: PMC6748286 DOI: 10.1039/c9md00218a] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 05/13/2019] [Indexed: 12/19/2022]
Abstract
Contemporary drug discovery approaches rely on library synthesis coupled with combinatorial methods and high-throughput screening to identify leads. However, due to the multitude of components involved, a majority of optimization techniques face persistent challenges related to the efficiency of synthetic processes and the purity of compound libraries. These methods have recently found an upgradation as fragment-based approaches for target-guided synthesis of lead molecules with active involvement of their biological target. The click chemistry approach serves as a promising tool for tailoring the therapeutically relevant biomolecules of interest, improving their bioavailability and bioactivity and redirecting them as efficacious drugs. 1,2,3-1H-Triazole nucleus, being a planar and biologically acceptable scaffold, plays a crucial role in the design of biomolecular mimetics and tailor-made molecules with therapeutic relevance. This versatile scaffold also forms an integral part of the current fragment-based approaches for drug design, kinetic target guided synthesis and bioorthogonal methodologies.
Collapse
Affiliation(s)
- Parteek Prasher
- UGC Sponsored Centre for Advanced Studies , Department of Chemistry , Guru Nanak Dev University , Amritsar 143005 , India . ;
- Department of Chemistry , University of Petroleum & Energy Studies , Dehradun 248007 , India
| | - Mousmee Sharma
- UGC Sponsored Centre for Advanced Studies , Department of Chemistry , Guru Nanak Dev University , Amritsar 143005 , India . ;
| |
Collapse
|
22
|
Peng X, Liao G, Sun P, Yu Z, Chen J. An Overview of HDAC Inhibitors and their Synthetic Routes. Curr Top Med Chem 2019; 19:1005-1040. [DOI: 10.2174/1568026619666190227221507] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Revised: 01/19/2019] [Accepted: 01/28/2019] [Indexed: 12/21/2022]
Abstract
Epigenetics play a key role in the origin, development and metastasis of cancer. Epigenetic processes include DNA methylation, histone acetylation, histone methylation, and histone phosphorylation, among which, histone acetylation is the most common one that plays important roles in the regulation of normal cellular processes, and is controlled by histone deacetylases (HDACs) and histone acetyltransferases (HATs). HDACs are involved in the regulation of many key cellular processes, such as DNA damage repair, cell cycle control, autophagy, metabolism, senescence and chaperone function, and can lead to oncogene activation. As a result, HDACs are considered to be an excellent target for anti-cancer therapeutics like histone deacetylase inhibitors (HDACi) which have attracted much attention in the last decade. A wide-ranging knowledge of the role of HDACs in tumorigenesis, and of the action of HDACi, has been achieved. The primary purpose of this paper is to summarize recent HDAC inhibitors and the synthetic routes as well as to discuss the direction for the future development of new HDAC inhibitors.
Collapse
Affiliation(s)
- Xiaopeng Peng
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China
| | - Guochao Liao
- International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Pinghua Sun
- College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Zhiqiang Yu
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China
| | - Jianjun Chen
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China
| |
Collapse
|
23
|
Mortensen KT, Osberger TJ, King TA, Sore HF, Spring DR. Strategies for the Diversity-Oriented Synthesis of Macrocycles. Chem Rev 2019; 119:10288-10317. [DOI: 10.1021/acs.chemrev.9b00084] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Kim T. Mortensen
- Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, U.K
| | - Thomas J. Osberger
- Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, U.K
| | - Thomas A. King
- Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, U.K
| | - Hannah F. Sore
- Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, U.K
| | - David R. Spring
- Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, U.K
| |
Collapse
|
24
|
Abstract
This Review is devoted to the chemistry of macrocyclic peptides having heterocyclic fragments in their structure. These motifs are present in many natural products and synthetic macrocycles designed against a particular biochemical target. Thiazole and oxazole are particularly common constituents of naturally occurring macrocyclic peptide molecules. This frequency of occurrence is because the thiazole and oxazole rings originate from cysteine, serine, and threonine residues. Whereas other heteroaryl groups are found less frequently, they offer many insightful lessons that range from conformational control to receptor/ligand interactions. Many options to develop new and improved technologies to prepare natural products have appeared in recent years, and the synthetic community has been pursuing synthetic macrocycles that have no precedent in nature. This Review attempts to summarize progress in this area.
Collapse
Affiliation(s)
- Ivan V Smolyar
- Department of Chemistry , Moscow State University , Leninskije Gory , 199991 Moscow , Russia
| | - Andrei K Yudin
- Davenport Research Laboratories, Department of Chemistry , University of Toronto , 80 St. George Street , Toronto , Ontario M5S 3H6 , Canada
| | - Valentine G Nenajdenko
- Department of Chemistry , Moscow State University , Leninskije Gory , 199991 Moscow , Russia
| |
Collapse
|
25
|
Schröder DC, Kracker O, Fröhr T, Góra J, Jewginski M, Nieß A, Antes I, Latajka R, Marion A, Sewald N. 1,4-Disubstituted 1 H-1,2,3-Triazole Containing Peptidotriazolamers: A New Class of Peptidomimetics With Interesting Foldamer Properties. Front Chem 2019; 7:155. [PMID: 30972322 PMCID: PMC6443886 DOI: 10.3389/fchem.2019.00155] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 03/01/2019] [Indexed: 12/25/2022] Open
Abstract
Peptidotriazolamers are hybrid foldamers with features of peptides and triazolamers, containing alternation of amide bonds and 1,4-disubstituted 1H-1,2,3-triazoles with conservation of the amino acid side chains. We report on the synthesis of a new class of peptidomimetics, containing 1,4-disubstituted 1H-1,2,3-triazoles in alternation with amide bonds and the elucidation of their conformational properties in solution. Based on enantiomerically pure propargylamines bearing the stereogenic center in the propargylic position and α-azido esters, building blocks were obtained by copper-catalyzed azide-alkyne cycloaddition. With these building blocks the peptidotriazolamers were readily available by solution phase synthesis. A panel of homo- and heterochiral tetramers, hexamers, and heptamers was synthesized and the heptamer Boc-Ala-Val-Ψ[4Tz]Phe-LeuΨ[4Tz]Phe-LeuΨ[4Tz]Val-OAll as well as an heterochiral and a Gly-containing equivalent were structurally characterized by NMR-based molecular dynamics simulations using a specifically tailored force field to determine their conformational and solvation properties. All three variants adopt a compact folded conformation in DMSO as well as in water. In addition to the heptamers we predicted the conformational behavior of similar longer oligomers i.e., Boc-Ala-(AlaΨ[4Tz]Ala)6-OAll as well as Boc-Ala-(d-AlaΨ[4Tz]Ala)6-OAll and Boc-Ala-(GlyΨ[4Tz]Ala)6-OAll. Our calculations predict a clear secondary structure of the first two molecules in DMSO that collapses in water due to the hydrophobic character of the side chains. The homochiral compound folds into a regular helical structure and the heterochiral one shows a twisted “S”-shape, while the Gly variant exhibits no clear secondary structure.
Collapse
Affiliation(s)
- David C Schröder
- Organic and Bioorganic Chemistry, Department of Chemistry, Bielefeld University, Bielefeld, Germany
| | - Oliver Kracker
- Organic and Bioorganic Chemistry, Department of Chemistry, Bielefeld University, Bielefeld, Germany
| | - Tanja Fröhr
- Organic and Bioorganic Chemistry, Department of Chemistry, Bielefeld University, Bielefeld, Germany
| | - Jerzy Góra
- Organic and Bioorganic Chemistry, Department of Chemistry, Bielefeld University, Bielefeld, Germany.,Department of Bioorganic Chemistry, Wrocław University of Science and Technology, Wrocław, Poland
| | - Michał Jewginski
- Department of Bioorganic Chemistry, Wrocław University of Science and Technology, Wrocław, Poland
| | - Anke Nieß
- Organic and Bioorganic Chemistry, Department of Chemistry, Bielefeld University, Bielefeld, Germany
| | - Iris Antes
- Center for Integrated Protein Science, TUM School of Life Sciences, TU Munich, Freising, Germany
| | - Rafał Latajka
- Department of Bioorganic Chemistry, Wrocław University of Science and Technology, Wrocław, Poland
| | - Antoine Marion
- Center for Integrated Protein Science, TUM School of Life Sciences, TU Munich, Freising, Germany.,Department of Chemistry, Middle East Technical University, Ankara, Turkey
| | - Norbert Sewald
- Organic and Bioorganic Chemistry, Department of Chemistry, Bielefeld University, Bielefeld, Germany
| |
Collapse
|
26
|
Silveira-Dorta G, Jana S, Borkova L, Thomas J, Dehaen W. Straightforward synthesis of enantiomerically pure 1,2,3-triazoles derived from amino esters. Org Biomol Chem 2019; 16:3168-3176. [PMID: 29645062 DOI: 10.1039/c8ob00533h] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A practical and straightforward approach that enables, for the first time, the synthesis of enantiomerically pure 1,4,5-trisubstituted, 1,5-disubstituted, and fused 1,2,3-triazole derivatives has been developed. The synthesis employs enantiomerically pure amino esters derived from amino acids and commercially available ketones under metal-free conditions.
Collapse
Affiliation(s)
- Gastón Silveira-Dorta
- Molecular Design and Synthesis, Department of Chemistry, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium.
| | | | | | | | | |
Collapse
|
27
|
Dialer CR, Stazzoni S, Drexler DJ, Müller FM, Veth S, Pichler A, Okamura H, Witte G, Hopfner KP, Carell T. A Click-Chemistry Linked 2'3'-cGAMP Analogue. Chemistry 2019; 25:2089-2095. [PMID: 30536650 DOI: 10.1002/chem.201805409] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Indexed: 11/09/2022]
Abstract
2'3'-cGAMP is an uncanonical cyclic dinucleotide where one A and one G base are connected via a 3'-5' and a unique 2'-5' linkage. The molecule is produced by the cyclase cGAS in response to cytosolic DNA binding. cGAMP activates STING and hence one of the most powerful pathways of innate immunity. cGAMP analogues with uncharged linkages that feature better cellular penetrability are currently highly desired. Here, the synthesis of a cGAMP analogue with one amide and one triazole linkage is reported. The molecule is best prepared via a first CuI -catalyzed click reaction, which establishes the triazole, while the cyclization is achieved by macrolactamization.
Collapse
Affiliation(s)
- Clemens Reto Dialer
- Department of Chemistry, Ludwig-Maximilians-Universität München, Butenandtstrasse 5-13, 81377, Munich, Germany
| | - Samuele Stazzoni
- Department of Chemistry, Ludwig-Maximilians-Universität München, Butenandtstrasse 5-13, 81377, Munich, Germany
| | - David Jan Drexler
- Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität München, Feodor-Lynen-Strasse 25, 81377, Munich, Germany
| | - Felix Moritz Müller
- Department of Chemistry, Ludwig-Maximilians-Universität München, Butenandtstrasse 5-13, 81377, Munich, Germany
| | - Simon Veth
- Department of Chemistry, Ludwig-Maximilians-Universität München, Butenandtstrasse 5-13, 81377, Munich, Germany
| | - Alexander Pichler
- Department of Chemistry, Ludwig-Maximilians-Universität München, Butenandtstrasse 5-13, 81377, Munich, Germany
| | - Hidenori Okamura
- Department of Chemistry, Ludwig-Maximilians-Universität München, Butenandtstrasse 5-13, 81377, Munich, Germany
| | - Gregor Witte
- Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität München, Feodor-Lynen-Strasse 25, 81377, Munich, Germany
| | - Karl-Peter Hopfner
- Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität München, Feodor-Lynen-Strasse 25, 81377, Munich, Germany
| | - Thomas Carell
- Department of Chemistry, Ludwig-Maximilians-Universität München, Butenandtstrasse 5-13, 81377, Munich, Germany
| |
Collapse
|
28
|
Räder AFB, Weinmüller M, Reichart F, Schumacher-Klinger A, Merzbach S, Gilon C, Hoffman A, Kessler H. Orally Active Peptides: Is There a Magic Bullet? Angew Chem Int Ed Engl 2018; 57:14414-14438. [DOI: 10.1002/anie.201807298] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Indexed: 12/16/2022]
Affiliation(s)
- Andreas F. B. Räder
- Technische Universität München; Department Chemie; Institute for Advanced Study; Lichtenbergstrasse 4 85748 Garching Germany
| | - Michael Weinmüller
- Technische Universität München; Department Chemie; Institute for Advanced Study; Lichtenbergstrasse 4 85748 Garching Germany
| | - Florian Reichart
- Technische Universität München; Department Chemie; Institute for Advanced Study; Lichtenbergstrasse 4 85748 Garching Germany
| | | | - Shira Merzbach
- The Hebrew University of Jerusalem; Institutes of Chemistry and Drug Research; Israel
| | - Chaim Gilon
- The Hebrew University of Jerusalem; Institutes of Chemistry and Drug Research; Israel
| | - Amnon Hoffman
- The Hebrew University of Jerusalem; Institutes of Chemistry and Drug Research; Israel
| | - Horst Kessler
- Technische Universität München; Department Chemie; Institute for Advanced Study; Lichtenbergstrasse 4 85748 Garching Germany
| |
Collapse
|
29
|
Räder AFB, Weinmüller M, Reichart F, Schumacher-Klinger A, Merzbach S, Gilon C, Hoffman A, Kessler H. Oral aktive Peptide: Gibt es ein Patentrezept? Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201807298] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Andreas F. B. Räder
- Technische Universität München; Department Chemie; Institute for Advanced Study; Lichtenbergstraße 4 85748 Garching Deutschland
| | - Michael Weinmüller
- Technische Universität München; Department Chemie; Institute for Advanced Study; Lichtenbergstraße 4 85748 Garching Deutschland
| | - Florian Reichart
- Technische Universität München; Department Chemie; Institute for Advanced Study; Lichtenbergstraße 4 85748 Garching Deutschland
| | | | - Shira Merzbach
- Hebrew University of Jerusalem; Institutes of Chemistry and Drug Research; Israel
| | - Chaim Gilon
- Hebrew University of Jerusalem; Institutes of Chemistry and Drug Research; Israel
| | - Amnon Hoffman
- Hebrew University of Jerusalem; Institutes of Chemistry and Drug Research; Israel
| | - Horst Kessler
- Technische Universität München; Department Chemie; Institute for Advanced Study; Lichtenbergstraße 4 85748 Garching Deutschland
| |
Collapse
|
30
|
Hamdan F, Tahoori F, Balalaie S. Synthesis of novel cyclopeptides containing heterocyclic skeletons. RSC Adv 2018; 8:33893-33926. [PMID: 35548835 PMCID: PMC9086729 DOI: 10.1039/c8ra03899f] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 09/14/2018] [Indexed: 01/13/2023] Open
Abstract
Cyclopeptides can be considered as naturally biologically active compounds. Over the last several decades, many attempts have been made to synthesize complex naturally occurring cyclopeptides, and great progress has been achieved to advance the field of total synthesis. Moreover, cyclopeptides containing heterocyclic skeletons have been recently developed into powerful reactions and approaches. This review aims to highlight recent advances in the synthesis of cyclopeptides containing heterocyclic skeletons such as triazole, oxazole, thiazole, and tetrazole.
Collapse
Affiliation(s)
- Fatima Hamdan
- Peptide Chemistry Research Center, K. N. Toosi University of Technology P. O. Box 15875-4416 Tehran Iran
| | - Fatemeh Tahoori
- Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO) Karaj Iran
| | - Saeed Balalaie
- Peptide Chemistry Research Center, K. N. Toosi University of Technology P. O. Box 15875-4416 Tehran Iran
- Medical Biology Research Center, Kermanshah University of Medical Sciences Kermanshah Iran
| |
Collapse
|
31
|
Liu J, Leonard P, Müller SL, Daniliuc C, Seela F. Nucleoside macrocycles formed by intramolecular click reaction: efficient cyclization of pyrimidine nucleosides decorated with 5'-azido residues and 5-octadiynyl side chains. Beilstein J Org Chem 2018; 14:2404-2410. [PMID: 30254706 PMCID: PMC6142766 DOI: 10.3762/bjoc.14.217] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 08/22/2018] [Indexed: 02/05/2023] Open
Abstract
Copper(I)-promoted "click" cyclization in the presence of TBTA afforded nucleoside macrocycles in very high yields (≈70%) without using protecting groups. To this end, dU and dC derivatives functionalized at the 5-position of the nucleobase with octadiynyl side chains and with azido groups at the 5'-position of the sugar moieties were synthesized. The macrocycles display freely accessible Watson-Crick recognition sites. The conformation of the 16-membered macrocycle was deduced from X-ray analysis and 1H,1H-NMR coupling constants. The sugar conformation (N vs S) was different in solution as compared to the solid state.
Collapse
Affiliation(s)
- Jiang Liu
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Oral Medicine of West China Hospital of Stomatology, Sichuan University, 610041 Chengdu, Sichuan, P. R. China.,Laboratory of Bioorganic Chemistry and Chemical Biology, Center for Nanotechnology, Heisenbergstrasse 11, 48149 Münster, Germany.,Laboratorium für Organische und Bioorganische Chemie, Institut für Chemie neuer Materialien, Universität Osnabrück, Barbarastrasse 7, 49069 Osnabrück, Germany
| | - Peter Leonard
- Laboratory of Bioorganic Chemistry and Chemical Biology, Center for Nanotechnology, Heisenbergstrasse 11, 48149 Münster, Germany
| | - Sebastian L Müller
- Laboratory of Bioorganic Chemistry and Chemical Biology, Center for Nanotechnology, Heisenbergstrasse 11, 48149 Münster, Germany
| | - Constantin Daniliuc
- Institut für Organische Chemie, Universität Münster, Corrensstrasse 40, 48149 Münster, Germany
| | - Frank Seela
- Laboratory of Bioorganic Chemistry and Chemical Biology, Center for Nanotechnology, Heisenbergstrasse 11, 48149 Münster, Germany.,Laboratorium für Organische und Bioorganische Chemie, Institut für Chemie neuer Materialien, Universität Osnabrück, Barbarastrasse 7, 49069 Osnabrück, Germany
| |
Collapse
|
32
|
Wurzer A, Vágner A, Horváth D, Fellegi F, Wester HJ, Kálmán FK, Notni J. Synthesis of Symmetrical Tetrameric Conjugates of the Radiolanthanide Chelator DOTPI for Application in Endoradiotherapy by Means of Click Chemistry. Front Chem 2018; 6:107. [PMID: 29692987 PMCID: PMC5902495 DOI: 10.3389/fchem.2018.00107] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 03/22/2018] [Indexed: 12/27/2022] Open
Abstract
Due to its 4 carbonic acid groups being available for bioconjugation, the cyclen tetraphosphinate chelator DOTPI, 1,4,7,10-tetraazacyclododecane-1,4,7, 10-tetrakis[methylene(2-carboxyethylphosphinic acid)], represents an ideal scaffold for synthesis of tetrameric bioconjugates for labeling with radiolanthanides, to be applied as endoradiotherapeuticals. We optimized a protocol for bio-orthogonal DOTPI conjugation via Cu(I)-catalyzed Huisgen-cycloaddition of terminal azides and alkynes (CuAAC), based on the building block DOTPI(azide)4. A detailed investigation of kinetic properties of Cu(II)-DOTPI complexes aimed at optimization of removal of DOTPI-bound copper by transchelation. Protonation and equilibrium properties of Ca(II)-, Zn(II), and Cu(II)-complexes of DOTPI and its tetra-cyclohexylamide DOTPI(Chx)4 (a model for DOTPI conjugates) as well as kinetic inertness (transchelation challenge in the presence of 20 to 40-fold excess of EDTA) were investigated by pH-potentiometry and spectrophotometry. Similar stability constants of CaII-, ZnII, and CuII-complexes of DOTPI (logK(CaL) = 8.65, logK(ZnL = 15.40, logK(CuL) = 20.30) and DOTPI(Chx)4 (logK(CaL) = 8.99, logK(ZnL) = 15.13, logK(CuL) = 20.42) were found. Transchelation of Cu(II)-complexes occurs via proton-assisted dissociation, whereafter released Cu(II) is scavenged by EDTA. The corresponding dissociation rates [kd = 25 × 10−7 and 5 × 10−7 s−1 for Cu(DOTPI) and Cu(DOTPI(Chx)4), respectively, at pH 4 and 298 K] indicate that conjugation increases the kinetic inertness by a factor of 5. However, demetallation is completed within 4.5 and 7.2 h at pH 2 and 25°C, respectively, indicating that Cu(II) removal after formation of CuAAC can be achieved in an uncomplicated manner by addition of excess H4EDTA. For proof-of-principle, tetrameric DOTPI conjugates of the prostate-specific membrane antigen (PSMA) targeting motif Lys-urea-Glu (KuE) were synthesized via CuAAC as well as dibenzo-azacyclooctine (DBCO) based, strain-promoted click chemistry (SPAAC), which were labeled with Lu-177 and subsequently evaluated in vitro and in SCID mice bearing subcutaneous LNCaP tumor (PSMA+ human prostate carcinoma) xenografts. High affinities (3.4 and 1.4 nM, respectively) and persistent tumor uptakes (approx. 3.5% 24 h after injection) confirm suitability of DOTPI-based tetramers for application in targeted radionuclide therapy.
Collapse
Affiliation(s)
- Alexander Wurzer
- Pharmaceutical Radiochemistry, Technische Universität München, Munich, Germany
| | - Adrienn Vágner
- Department of Inorganic and Analytical Chemistry, University of Debrecen, Debrecen, Hungary
| | - Dávid Horváth
- Department of Inorganic and Analytical Chemistry, University of Debrecen, Debrecen, Hungary
| | - Flóra Fellegi
- Department of Inorganic and Analytical Chemistry, University of Debrecen, Debrecen, Hungary
| | - Hans-Jürgen Wester
- Pharmaceutical Radiochemistry, Technische Universität München, Munich, Germany
| | - Ferenc K Kálmán
- Department of Inorganic and Analytical Chemistry, University of Debrecen, Debrecen, Hungary
| | - Johannes Notni
- Pharmaceutical Radiochemistry, Technische Universität München, Munich, Germany
| |
Collapse
|
33
|
Shin MK, Hyun YJ, Lee JH, Lim HS. Comparison of Cell Permeability of Cyclic Peptoids and Linear Peptoids. ACS COMBINATORIAL SCIENCE 2018; 20:237-242. [PMID: 29481042 DOI: 10.1021/acscombsci.7b00194] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Cyclic peptoids are emerging as an attractive class of peptidomimetics. Compared to their linear counterparts, cyclic peptoids should have increased conformational rigidity and preorganized structures, enabling them to bind more tightly to target proteins without major entropy penalty. Because cyclic peptoids lack the amide protons in their backbones like linear peptoids, it is perceived that cyclic peptoids are seemingly cell permeable as much as linear peptoids. However, no systematic investigation for cell permeability of cyclic peptoids has been reported yet. Here, we, for the first time, demonstrate that cyclic peptoids are far more cell permeable than linear counterparts irrespective of their size and side chains. This study highlights that cyclic peptoids, along with combinatorial library and high-throughput screening technologies, will serve as a rich source of protein binding molecules, particularly targeting intracellular proteins, given their excellent cell permeability in addition to their conformational rigidity and proteolytic stability.
Collapse
Affiliation(s)
- Min-Kyung Shin
- Department of Chemistry and Division of Advanced Material Science, Pohang University of Science and Technology (POSTECH), Pohang 37673, South Korea
| | - Yu-Jung Hyun
- Department of Chemistry and Division of Advanced Material Science, Pohang University of Science and Technology (POSTECH), Pohang 37673, South Korea
| | - Ji Hoon Lee
- New Drug Development Center, Daegu Gyeongbuk Medical Innovation Foundation, Daegu 41061, South Korea
| | - Hyun-Suk Lim
- Department of Chemistry and Division of Advanced Material Science, Pohang University of Science and Technology (POSTECH), Pohang 37673, South Korea
| |
Collapse
|
34
|
Kaldas SJ, Yudin AK. Achieving Skeletal Diversity in Peptide Macrocycles through The Use of Heterocyclic Grafts. Chemistry 2018; 24:7074-7082. [DOI: 10.1002/chem.201705418] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Indexed: 11/11/2022]
Affiliation(s)
- Sherif J. Kaldas
- Davenport Research Laboratories, Department of Chemistry; University of Toronto; 80 St. George St. Toronto ON M5S 3H6 Canada
| | - Andrei K. Yudin
- Davenport Research Laboratories, Department of Chemistry; University of Toronto; 80 St. George St. Toronto ON M5S 3H6 Canada
| |
Collapse
|
35
|
Marion A, Góra J, Kracker O, Fröhr T, Latajka R, Sewald N, Antes I. Amber-Compatible Parametrization Procedure for Peptide-like Compounds: Application to 1,4- and 1,5-Substituted Triazole-Based Peptidomimetics. J Chem Inf Model 2017; 58:90-110. [PMID: 29112399 DOI: 10.1021/acs.jcim.7b00305] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Peptidomimetics are molecules of particular interest in the context of drug design and development. They are proteolytically and metabolically more stable than their natural peptide counterparts but still offer high specificity toward their biological targets. In recent years, 1,4- and 1,5-disubstituted 1,2,3-triazole-based peptidomimetics have emerged as promising lead compounds for the design of various inhibitory and tumor-targeting molecules as well as for the synthesis of peptide analogues. The growing popularity of triazole-based peptidomimetics and a constantly broadening range of their application generated a demand for elaborate theoretical investigations by classical molecular dynamics simulations and molecular docking. Despite this rising interest, accurate and coherent force field parameters for triazole-based peptidomimetics are still lacking. Here, we report the first complete set of parameters dedicated to this group of compounds, named TZLff. This parametrization is compatible with the latest version of the AMBER force field (ff14SB) and can be readily applied for the modeling of pure triazole-based peptidomimetics as well as natural peptide sequences containing one or more triazole-based modifications in their backbone. The parameters were optimized to reproduce HF/6-31G* electrostatic potentials as well as MP2/cc-pVTZ equilibrium Hessian matrices and conformational potential energy surfaces through the use of a genetic algorithm-based search and least-squares fitting. Following the standards of AMBER, we introduce residue building units, thus allowing the user to define any given sequence of triazole-based peptidomimetics. Validation of the parameter set against ab initio- and NMR-based reference systems shows that we obtain fairly accurate results, which properly capture the conformational features of triazole-based peptidomimetics. The successful and efficient parametrization strategy developed in this work is general enough to be applied in a straightforward manner for parametrization of other peptidomimetics and, potentially, any polymeric assemblies.
Collapse
Affiliation(s)
- Antoine Marion
- Center for Integrated Protein Science Munich at the Department of Biosciences, Technische Universität München , Emil-Erlenmeyer-Forum 8, D-85354 Freising, Germany
| | - Jerzy Góra
- Organic and Bioorganic Chemistry, Department of Chemistry, Bielefeld University , Universitätsstraße 25, D-33615 Bielefeld, Germany.,Department of Organic and Pharmaceutical Technology, Faculty of Chemistry, Wroclaw University of Science and Technology , Wybrzeze Wyspianskiego 27, PL-50-370 Wroclaw, Poland
| | - Oliver Kracker
- Organic and Bioorganic Chemistry, Department of Chemistry, Bielefeld University , Universitätsstraße 25, D-33615 Bielefeld, Germany
| | - Tanja Fröhr
- Organic and Bioorganic Chemistry, Department of Chemistry, Bielefeld University , Universitätsstraße 25, D-33615 Bielefeld, Germany
| | - Rafał Latajka
- Department of Organic and Pharmaceutical Technology, Faculty of Chemistry, Wroclaw University of Science and Technology , Wybrzeze Wyspianskiego 27, PL-50-370 Wroclaw, Poland
| | - Norbert Sewald
- Organic and Bioorganic Chemistry, Department of Chemistry, Bielefeld University , Universitätsstraße 25, D-33615 Bielefeld, Germany
| | - Iris Antes
- Center for Integrated Protein Science Munich at the Department of Biosciences, Technische Universität München , Emil-Erlenmeyer-Forum 8, D-85354 Freising, Germany
| |
Collapse
|
36
|
Bauer M, Wang W, Lorion MM, Dong C, Ackermann L. Internal Peptide Late-Stage Diversification: Peptide-Isosteric Triazoles for Primary and Secondary C(sp 3 )-H Activation. Angew Chem Int Ed Engl 2017; 57:203-207. [PMID: 29135064 DOI: 10.1002/anie.201710136] [Citation(s) in RCA: 114] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2017] [Revised: 11/11/2017] [Indexed: 12/16/2022]
Abstract
Secondary C(sp3 )-H arylations were accomplished by palladium catalysis with triazoles as peptide bond isosteres. The unique power of this approach is highlighted by the possibility of achieving secondary C(sp3 )-H functionalizations on terminal peptides as well as the unprecedented positional-selective C(sp3 )-H functionalization of internal peptide positions, setting the stage for modular peptide late-stage diversification.
Collapse
Affiliation(s)
- Michaela Bauer
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität, Tammanstraße 2, 37077, Göttingen, Germany
| | - Wei Wang
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität, Tammanstraße 2, 37077, Göttingen, Germany
| | - Mélanie M Lorion
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität, Tammanstraße 2, 37077, Göttingen, Germany
| | - Chuan Dong
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität, Tammanstraße 2, 37077, Göttingen, Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität, Tammanstraße 2, 37077, Göttingen, Germany
| |
Collapse
|
37
|
Internal Peptide Late-Stage Diversification: Peptide-Isosteric Triazoles for Primary and Secondary C(sp3
)−H Activation. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201710136] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
|
38
|
Cameron AJ, Squire CJ, Edwards PJB, Harjes E, Sarojini V. Crystal and NMR Structures of a Peptidomimetic β-Turn That Provides Facile Synthesis of 13-Membered Cyclic Tetrapeptides. Chem Asian J 2017; 12:3195-3202. [PMID: 29098772 DOI: 10.1002/asia.201701422] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 10/30/2017] [Indexed: 12/31/2022]
Abstract
Herein we report the unique conformations adopted by linear and cyclic tetrapeptides (CTPs) containing 2-aminobenzoic acid (2-Abz) in solution and as single crystals. The crystal structure of the linear tetrapeptide H2 N-d-Leu-d-Phe-2-Abz-d-Ala-COOH (1) reveals a novel planar peptidomimetic β-turn stabilized by three hydrogen bonds and is in agreement with its NMR structure in solution. While CTPs are often synthetically inaccessible or cyclize in poor yield, both 1 and its N-Me-d-Phe analogue (2) adopt pseudo-cyclic frameworks enabling near quantitative conversion to the corresponding CTPs 3 and 4. The crystal structure of the N-methylated peptide (4) is the first reported for a CTP containing 2-Abz and reveals a distinctly planar 13-membered ring, which is also evident in solution. The N-methylation of d-Phe results in a peptide bond inversion compared to the conformation of 3 in solution.
Collapse
Affiliation(s)
- Alan J Cameron
- School of Chemical Sciences, The University of Auckland, Auckland, 1142, New Zealand
| | - Christopher J Squire
- School of Biological Sciences, The University of Auckland, Auckland, 1142, New Zealand
| | - Patrick J B Edwards
- Institute of Fundamental Sciences, Massey University, Palmerston North, 4442, New Zealand
| | - Elena Harjes
- Institute of Fundamental Sciences, Massey University, Palmerston North, 4442, New Zealand
| | | |
Collapse
|
39
|
Birkenfelder I, Gurke J, Grubert L, Hecht S, Schmidt BM. Click Chemistry Derived Pyridazines: Electron-Deficient Building Blocks with Defined Conformation and Packing Structure. Chem Asian J 2017; 12:3156-3161. [PMID: 29083098 DOI: 10.1002/asia.201701277] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 10/19/2017] [Indexed: 01/21/2023]
Abstract
A series of 3,6-bis(4-triazolyl)pyridazines equipped with terminal phenyl substituents with varying degree of fluorination were synthesized by using the facile copper-catalyzed azide-alkyne cycloaddition and their structures were thoroughly investigated in the gas phase, in solution, and in the solid state by employing DFT calculations, NMR spectroscopy, and single-crystal X-ray diffraction, respectively. On the molecular level, their structure is governed by the strong preference of the triazole-pyridazine linkages for the anti-conformation. The supramolecular organization of the molecules in the crystalline solid is controlled by π-stacking, C-H⋅⋅⋅π as well as C-F⋅⋅⋅H interactions. The latter can conveniently be tuned by the number and position of fluorine substituents in the terminal phenyl units, giving rise to either herringbone-like, 1D or 2D lamellar packing. Electrochemistry and optical spectroscopy of all compounds suggest that they might find use as electron-transporting/hole-blocking materials in organic electronics.
Collapse
Affiliation(s)
- Irén Birkenfelder
- Department of Chemistry and IRIS Adlershof, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489, Berlin, Germany
| | - Johannes Gurke
- Department of Chemistry and IRIS Adlershof, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489, Berlin, Germany
| | - Lutz Grubert
- Department of Chemistry and IRIS Adlershof, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489, Berlin, Germany
| | - Stefan Hecht
- Department of Chemistry and IRIS Adlershof, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489, Berlin, Germany
| | - Bernd M Schmidt
- Department of Chemistry and IRIS Adlershof, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489, Berlin, Germany
| |
Collapse
|
40
|
Engel-Andreasen J, Wellhöfer I, Wich K, Olsen CA. Backbone-Fluorinated 1,2,3-Triazole-Containing Dipeptide Surrogates. J Org Chem 2017; 82:11613-11619. [PMID: 28985056 DOI: 10.1021/acs.joc.7b01744] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The 1,2,3-triazole moiety can be incorporated as a peptide bond bioisostere to provide protease resistance in peptidomimetics. Herein, we report the synthesis of peptidomimetic building blocks containing backbone-fluorinated 1,4-disubstituted 1,2,3-triazole moieties. Synthetic protocols for the preparation of various Xaa-Gly dipeptide surrogates in the form of Xaa-ψ[triazole]-F2Gly building blocks were established, and selected examples were introduced into the endogenous peptide opioid receptor ligand Leu-enkephalin as a model compound.
Collapse
Affiliation(s)
- Jens Engel-Andreasen
- Center for Biopharmaceuticals & Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen , Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Isabelle Wellhöfer
- Center for Biopharmaceuticals & Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen , Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Kathrine Wich
- Center for Biopharmaceuticals & Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen , Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Christian A Olsen
- Center for Biopharmaceuticals & Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen , Universitetsparken 2, DK-2100 Copenhagen, Denmark
| |
Collapse
|
41
|
Barlow TMA, Tourwé D, Ballet S. Cyclisation To Form Small, Medium and Large Rings by Use of Catalysed and Uncatalysed Azide-Alkyne Cycloadditions (AACs). European J Org Chem 2017. [DOI: 10.1002/ejoc.201700521] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Thomas M. A. Barlow
- Research Group of Organic Chemistry; Departments of Bioengineering Sciences and Chemistry; Vrije Universiteit Brussel; Pleinlaan 2 1050 Brussels Belgium
| | - Dirk Tourwé
- Research Group of Organic Chemistry; Departments of Bioengineering Sciences and Chemistry; Vrije Universiteit Brussel; Pleinlaan 2 1050 Brussels Belgium
| | - Steven Ballet
- Research Group of Organic Chemistry; Departments of Bioengineering Sciences and Chemistry; Vrije Universiteit Brussel; Pleinlaan 2 1050 Brussels Belgium
| |
Collapse
|
42
|
Lai JI, Leman LJ, Ku S, Vickers CJ, Olsen CA, Montero A, Ghadiri MR, Gottesfeld JM. Cyclic tetrapeptide HDAC inhibitors as potential therapeutics for spinal muscular atrophy: Screening with iPSC-derived neuronal cells. Bioorg Med Chem Lett 2017. [PMID: 28648462 DOI: 10.1016/j.bmcl.2017.06.027] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Spinal muscular atrophy (SMA) is an autosomal recessive neuromuscular disorder that is caused by inactivating mutations in the Survival of motor neuron 1 (SMN1) gene, resulting in decreased SMN protein expression. Humans possess a paralog gene, SMN2, which contains a splicing defect in exon 7 leading to diminished expression of full-length, fully functional SMN protein. Increasing SMN2 expression has been a focus of therapeutic development for SMA. Multiple studies have reported the efficacy of histone deacetylase inhibitors (HDACi) in this regard. However, clinical trials involving HDACi have been unsatisfactory, possibly because previous efforts to identify HDACi to treat SMA have employed non-neuronal cells as the screening platform. To address this issue, we generated an SMA-patient specific, induced pluripotent stem cell (iPSC) derived neuronal cell line that contains homogenous Tuj1+neurons. We screened a small library of cyclic tetrapeptide HDACi using this SMA neuronal platform and discovered compounds that elevate SMN2 expression by an impressive twofold or higher. These candidates are also capable of forming gems intranuclearly in SMA neurons, demonstrating biological activity. Our study identifies new potential HDACi therapeutics for SMA screened using a disease-relevant SMA neuronal cellular model.
Collapse
Affiliation(s)
- Jiun-I Lai
- Department of Cell and Molecular Biology, The Scripps Research Institute, La Jolla, CA, USA; National Yang-Ming University, Taipei, Taiwan; National Yang-Ming University Hospital, Ilan, Taiwan
| | - Luke J Leman
- Department of Chemistry, The Scripps Research Institute, La Jolla, CA, USA
| | - Sherman Ku
- Department of Cell and Molecular Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - Chris J Vickers
- Department of Chemistry, The Scripps Research Institute, La Jolla, CA, USA
| | - Christian A Olsen
- Department of Chemistry, The Scripps Research Institute, La Jolla, CA, USA; Center for Biopharmaceuticals and Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark
| | - Ana Montero
- Department of Chemistry, The Scripps Research Institute, La Jolla, CA, USA
| | - M Reza Ghadiri
- Department of Chemistry, The Scripps Research Institute, La Jolla, CA, USA
| | - Joel M Gottesfeld
- Department of Cell and Molecular Biology, The Scripps Research Institute, La Jolla, CA, USA.
| |
Collapse
|
43
|
Tambunan USF, Parikesit AA, Nasution MAF, Hapsari A, Kerami D. Exposing the Molecular Screening Method of Indonesian Natural Products Derivate as Drug Candidates for Cervical Cancer. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH : IJPR 2017; 16:1113-1127. [PMID: 29201098 PMCID: PMC5610765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The menace of cervical cancer has reached an alarming rate. There are more than 450.000 cases of cervical cancer yearly, with mortality rate of about 50%. This deadly cancer is caused by human papillomavirus (HPV), mainly subtypes 16 and 18. The pharmaceutical industry has produced drug for combating the virus, known as SAHA (suberoylanilide hydroxamic acid). It inhibits class II HDAC Homo sapiens (HDACi). The utilization of SAHA has some side effects, one of which is bone loss. Thus, searching for viable alternatives aside SAHA is inevitable. The objective of this research is to investigate the molecular interaction of selected Indonesian natural products with class II HDAC Homo sapiens. LigX tool in MOE 2008.10 was used as an instrument to investigate the molecular interaction. Then, computer-aided drug discovery and development (CADDD) approach involving molecular docking and dynamics methods was utilized to screen the natural products library. In the end, we found that herbaric acid could act as a potential drug candidate for cervical cancer.
Collapse
Affiliation(s)
- Usman Sumo Friend Tambunan
- Bioinformatics Research Group, Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Indonesia, Depok 16424, Indonesia. ,Corresponding author: E-mail:
| | - Arli Aditya Parikesit
- Bioinformatics Research Group, Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Indonesia, Depok 16424, Indonesia.
| | - Mochammad Arfin Fardiansyah Nasution
- Bioinformatics Research Group, Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Indonesia, Depok 16424, Indonesia.
| | - Amalia Hapsari
- Bioinformatics Research Group, Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Indonesia, Depok 16424, Indonesia.
| | - Djati Kerami
- Mathematics Computation Research Group, Department of Mathematics, Faculty of Mathematics and Natural Science, Universitas Indonesia, Depok 16424, Indonesia.
| |
Collapse
|
44
|
Maolanon AR, Kristensen HME, Leman LJ, Ghadiri MR, Olsen CA. Natural and Synthetic Macrocyclic Inhibitors of the Histone Deacetylase Enzymes. Chembiochem 2016; 18:5-49. [DOI: 10.1002/cbic.201600519] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Indexed: 12/18/2022]
Affiliation(s)
- Alex R. Maolanon
- Center for Biopharmaceuticals and; Department of Drug Design and Pharmacology; University of Copenhagen; Universitetsparken 2 2100 Copenhagen Denmark
| | - Helle M. E. Kristensen
- Center for Biopharmaceuticals and; Department of Drug Design and Pharmacology; University of Copenhagen; Universitetsparken 2 2100 Copenhagen Denmark
| | - Luke J. Leman
- Department of Chemistry; The Skaggs Institute for Chemical Biology; The Scripps Research Institute; 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - M. Reza Ghadiri
- Department of Chemistry; The Skaggs Institute for Chemical Biology; The Scripps Research Institute; 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Christian A. Olsen
- Center for Biopharmaceuticals and; Department of Drug Design and Pharmacology; University of Copenhagen; Universitetsparken 2 2100 Copenhagen Denmark
| |
Collapse
|
45
|
Johansson JR, Beke-Somfai T, Said Stålsmeden A, Kann N. Ruthenium-Catalyzed Azide Alkyne Cycloaddition Reaction: Scope, Mechanism, and Applications. Chem Rev 2016; 116:14726-14768. [DOI: 10.1021/acs.chemrev.6b00466] [Citation(s) in RCA: 223] [Impact Index Per Article: 27.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Johan R. Johansson
- Cardiovascular
and Metabolic Diseases, Innovative Medicines and Early Development
Biotech Unit, AstraZeneca, Pepparedsleden 1, SE-43183 Mölndal, Sweden
| | - Tamás Beke-Somfai
- Research
Centre for Natural Sciences, Hungarian Academy of Sciences, Magyar tudósok
krt. 2, H-1117 Budapest, Hungary
| | - Anna Said Stålsmeden
- Chemistry
and Biochemistry, Department of Chemistry and Chemical Engineering, Chalmers University of Technology, SE-41296 Göteborg, Sweden
| | - Nina Kann
- Chemistry
and Biochemistry, Department of Chemistry and Chemical Engineering, Chalmers University of Technology, SE-41296 Göteborg, Sweden
| |
Collapse
|
46
|
Frost JR, Scully CCG, Yudin AK. Oxadiazole grafts in peptide macrocycles. Nat Chem 2016; 8:1105-1111. [PMID: 27874866 DOI: 10.1038/nchem.2636] [Citation(s) in RCA: 129] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Accepted: 09/05/2016] [Indexed: 02/08/2023]
Abstract
Synthetic methods that provide control over macrocycle conformation and, at the same time, mitigate the polarity of peptide bonds represent valuable tools for the discovery of new bioactive molecules. Here, we report a macrocyclization reaction between a linear peptide, an aldehyde and (N-isocyanimino)triphenylphosphorane. This process generates head-to-tail cyclic peptidomimetics in a single step. This method is tolerant to variation in the peptide and aldehyde components and has been applied for the synthesis of 15-, 18-, 21- and 24-membered rings. The resulting peptide macrocycles feature a 1,3,4-oxadiazole and a tertiary amine in their scaffolds. This non-canonical backbone region acts as an endocyclic control element that promotes and stabilizes a unique intramolecular hydrogen-bond network and can lead to macrocycles with conformationally rigid turn structures. Oxadiazole-containing macrocycles can also display a high passive membrane permeability, an important property for the development of bioavailable peptide-based therapeutics.
Collapse
Affiliation(s)
- John R Frost
- 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
| |
Collapse
|
47
|
Notni J, Wester HJ. A Practical Guide on the Synthesis of Metal Chelates for Molecular Imaging and Therapy by Means of Click Chemistry. Chemistry 2016; 22:11500-8. [PMID: 27333118 DOI: 10.1002/chem.201600928] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Indexed: 12/23/2022]
Abstract
The copper-catalyzed cycloaddition of organic azides and alkynes (CuAAC) is one of the most popular reactions for rapid assembly of multifunctional molecular frameworks from commercially available building blocks. It is also attractive for synthesis of conjugates of multidentate chelate ligands (chelators) with molecular targeting vectors, such as peptides or proteins, which serve as precursors for labeling with metal radionuclides or are useful as MRI contrast agents after Gd(III) complexation. However, applicability of CuAAC for such purposes is complicated by formation of unwanted copper chelates. The alternative use of copper-free click chemistry, for example, the strain-promoted alkyne-azide cycloaddition (SPAAC) or the Diels-Alder reaction of tetrazines and strained alkenes, entails other specific challenges: Introduction of large, isomerically non-homogeneous and hydrophobic linker groups affects product homogeneity and can severely change pharmacokinetic profiles. Against this background, this review elucidates scope and applicability of both Cu-catalyzed and Cu-free alkyne-azide cycloadditions pertinent to the elaboration of radiometal chelates and MRI contrast agents, with an emphasis on strategies to tackle the problem of copper complexation during CuAAC.
Collapse
Affiliation(s)
- Johannes Notni
- Lehrstuhl für Pharmazeutische Radiochemie, Technische Universität München, Walther-Meißner Strasse 3, 85748, Garching, Germany.
| | - Hans-Jürgen Wester
- Lehrstuhl für Pharmazeutische Radiochemie, Technische Universität München, Walther-Meißner Strasse 3, 85748, Garching, Germany
| |
Collapse
|
48
|
Xin D, Burgess K. Anthranilic acid-containing cyclic tetrapeptides: at the crossroads of conformational rigidity and synthetic accessibility. Org Biomol Chem 2016; 14:5049-58. [PMID: 27173439 PMCID: PMC4916954 DOI: 10.1039/c6ob00693k] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Each amino acid in a peptide contributes three atom units to main-chains, hence natural cyclic peptides can be 9, 12, 15, …. i.e. 3n membered-rings, where n is the number of amino acids. Cyclic peptides that are 9 or 12-membered ring compounds tend to be hard to prepare because of strain, while their one amino acid homologs (15-membered cyclic pentapeptides) are not conformationally homogeneous unless constrained by strategically placed proline or d-amino acid residues. We hypothesized that replacing one genetically encoded amino acid in a cyclic tetrapeptide with a rigid β-amino acid would render peptidomimetic designs that rest at a useful crossroads between synthetic accessibility and conformational rigidity. Thus this research explored non-proline containing 13-membered ring peptides 1 featuring one anthranilic acid (Anth) residue. Twelve cyclic peptides of this type were prepared, and in doing so the viability of both solution- and solid-phase methods was demonstrated. The library produced contained a complete set of four diastereoisomers of the sequence 1aaf (i.e. cyclo-AlaAlaPheAnth). Without exception, these four diastereoisomers each adopted one predominant conformation in solution; basically these conformations feature amide N-H vectors puckering above and below the equatorial plane, and approximately oriented their N-H[combining low line] atoms towards the polar axis. Moreover, the shapes of these conformers varied in a logical and predictable way (NOE, temperature coefficient, D/H exchange, circular dichroism). Comparisons were made of the side-chain orientations presented by compounds 1aaa in solution with ideal secondary structures and protein-protein interaction interfaces. Various 1aaa stereoisomers in solution present side-chains in similar orientations to regular and inverse γ-turns, and to the most common β-turns (types I and II). Consistent with this, compounds 1aaa have a tendency to mimic various turns and bends at protein-protein interfaces. Finally, proteolytic- and hydrolytic stabilities of the compounds at different pHs indicate they are robust relative to related linear peptides, and rates of permeability through an artificial membrane indicate their structures are conducive to cell permeability.
Collapse
Affiliation(s)
- Dongyue Xin
- Department of Chemistry, Texas A & M University, Box 30012, College Station, TX 77842, USA.
| | | |
Collapse
|
49
|
Ciardiello JJ, Galloway WR, O'Connor CJ, Sore HF, Stokes JE, Wu Y, Spring DR. An expedient strategy for the diversity-oriented synthesis of macrocyclic compounds with natural product-like characteristics. Tetrahedron 2016. [DOI: 10.1016/j.tet.2015.10.061] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
|
50
|
Ghorai A, Achari B, Chattopadhyay P. Self-assembly of cyclic peptides and peptidomimetic macrocycles: linking structure with function. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.04.071] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
|