1
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Ding Y, Pedersen SS, Wang H, Xiang B, Wang Y, Yang Z, Gao Y, Morosan E, Jones MR, Xiao H, Ball ZT. Selective Macrocyclization of Unprotected Peptides with an Ex Situ Gaseous Linchpin Reagent. Angew Chem Int Ed Engl 2024; 63:e202405344. [PMID: 38753429 DOI: 10.1002/anie.202405344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Indexed: 07/16/2024]
Abstract
Peptide cyclization has dramatic effects on a variety of important properties, enhancing metabolic stability, limiting conformational flexibility, and altering cellular entry and intracellular localization. The hydrophilic, polyfunctional nature of peptides creates chemoselectivity challenges in macrocyclization, especially for natural sequences without biorthogonal handles. Herein, we describe a gaseous sulfonyl chloride derived reagent that achieves amine-amine, amine-phenol, and amine-aniline crosslinking through a minimalist linchpin strategy that affords macrocyclic urea or carbamate products. The cyclization reaction is metal-mediated and involves a novel application of sulfine species that remains unexplored in aqueous or biological contexts. The aqueous method delivers unique cyclic or bicyclic topologies directly from a variety of natural bioactive peptides without the need for protecting-group strategies.
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Affiliation(s)
- Yuxuan Ding
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
| | - Simon S Pedersen
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000, Aarhus C, Denmark
| | - Haofan Wang
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
| | - Baorui Xiang
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
| | - Yixian Wang
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
| | - Zhi Yang
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
| | - Yuxiang Gao
- Department of Physics and Astronomy, Rice University, Houston, Texas, 77005, United States
| | - Emilia Morosan
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
- Department of Physics and Astronomy, Rice University, Houston, Texas, 77005, United States
| | - Matthew R Jones
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
| | - Han Xiao
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
| | - Zachary T Ball
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
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2
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Bag R, Sharma NK. Pd-Catalyzed Picolinamide-Directed C(sp 2)-H Sulfonylation of Amino Acids/Peptides with Sodium Sulfinates. J Org Chem 2024. [PMID: 38924796 DOI: 10.1021/acs.joc.4c00988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2024]
Abstract
This report describes a Pd-catalyzed picolinamide-directed site-selective C(sp2)-H sulfonylation of amino acids and peptides with sodium sulfinates in moderate to good yields. Sulfonylation of levodopa and dopamine drug molecules and late-stage directed peptide sulfonylation are studied for the first time. Broad substrate scope having various functionalities, late-stage drug modifications, and various post synthetic utilities such as chalcogenation, bromination, olefination, and arylation are potential advantages.
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Affiliation(s)
- Raghunath Bag
- National Institute of Science Education and Research (NISER)─Bhubaneswar, Jatni-Campus, Bhubaneswar 752050, India
- Homi Bhabha National Institute (HBNI), Anushaktinagar, Mumbai 400 094, India
| | - Nagendra K Sharma
- National Institute of Science Education and Research (NISER)─Bhubaneswar, Jatni-Campus, Bhubaneswar 752050, India
- Homi Bhabha National Institute (HBNI), Anushaktinagar, Mumbai 400 094, India
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3
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Oluwalana D, Adeleye KL, Krutilina RI, Chen H, Playa H, Deng S, Parke DN, Abernathy J, Middleton L, Cullom A, Thalluri B, Ma D, Meibohm B, Miller DD, Seagroves TN, Li W. Biological activity of a stable 6-aryl-2-benzoyl-pyridine colchicine-binding site inhibitor, 60c, in metastatic, triple-negative breast cancer. Cancer Lett 2024; 597:217011. [PMID: 38849011 DOI: 10.1016/j.canlet.2024.217011] [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: 01/30/2024] [Revised: 05/21/2024] [Accepted: 05/30/2024] [Indexed: 06/09/2024]
Abstract
BACKGROUND Improving survival for patients diagnosed with metastatic disease and overcoming chemoresistance remain significant clinical challenges in treating breast cancer. Triple-negative breast cancer (TNBC) is an aggressive subtype characterized by a lack of therapeutically targetable receptors (ER/PR/HER2). TNBC therapy includes a combination of cytotoxic chemotherapies, including microtubule-targeting agents (MTAs) like paclitaxel (taxane class) or eribulin (vinca class); however, there are currently no FDA-approved MTAs that bind to the colchicine-binding site. Approximately 70 % of patients who initially respond to paclitaxel will develop taxane resistance (TxR). We previously reported that an orally bioavailable colchicine-binding site inhibitor (CBSI), VERU-111, inhibits TNBC tumor growth and treats pre-established metastatic disease. To further improve the potency and metabolic stability of VERU-111, we created next-generation derivatives of its scaffold, including 60c. RESULTS 60c shows improved in vitro potency compared to VERU-111 for taxane-sensitive and TxR TNBC models, and suppress TxR primary tumor growth without gross toxicity. 60c also suppressed the expansion of axillary lymph node metastases existing prior to treatment. Comparative analysis of excised organs for metastasis between 60c and VERU-111 suggested that 60c has unique anti-metastatic tropism. 60c completely suppressed metastases to the spleen and was more potent to reduce metastatic burden in the leg bones and kidney. In contrast, VERU-111 preferentially inhibited liver metastases and lung metastasis repression was similar. Together, these results position 60c as an additional promising CBSI for TNBC therapy, particularly for patients with TxR disease.
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Affiliation(s)
- Damilola Oluwalana
- Department of Pathology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, United States; College of Graduate Health Sciences, University of Tennessee Health Science Center, Memphis, TN 38163, United States
| | - Kelli L Adeleye
- College of Graduate Health Sciences, University of Tennessee Health Science Center, Memphis, TN 38163, United States; Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN 38163, United States
| | - Raisa I Krutilina
- Department of Pathology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, United States
| | - Hao Chen
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN 38163, United States
| | - Hilaire Playa
- Department of Pathology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, United States
| | - Shanshan Deng
- College of Graduate Health Sciences, University of Tennessee Health Science Center, Memphis, TN 38163, United States
| | - Deanna N Parke
- Department of Pathology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, United States
| | - John Abernathy
- Department of Pathology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, United States
| | - Leona Middleton
- Department of Pathology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, United States
| | - Alexandra Cullom
- Department of Pathology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, United States; College of Graduate Health Sciences, University of Tennessee Health Science Center, Memphis, TN 38163, United States
| | - Bhargavi Thalluri
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN 38163, United States
| | - Dejian Ma
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN 38163, United States
| | - Bernd Meibohm
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN 38163, United States
| | - Duane D Miller
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN 38163, United States; Center for Cancer Research, Memphis, TN 38163, United States
| | - Tiffany N Seagroves
- Department of Pathology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, United States; Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN 38163, United States; Center for Cancer Research, Memphis, TN 38163, United States.
| | - Wei Li
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN 38163, United States; Center for Cancer Research, Memphis, TN 38163, United States.
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4
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Chen FJ. Another side of side chains. Nat Rev Chem 2024; 8:406-407. [PMID: 38698144 DOI: 10.1038/s41570-024-00609-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2024]
Affiliation(s)
- Fa-Jie Chen
- College of Chemistry, Fuzhou University, Fuzhou, P.R. China.
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5
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Chen FJ, Lin W, Chen FE. Non-symmetric stapling of native peptides. Nat Rev Chem 2024; 8:304-318. [PMID: 38575678 DOI: 10.1038/s41570-024-00591-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/23/2024] [Indexed: 04/06/2024]
Abstract
Stapling has emerged as a powerful technique in peptide chemistry. It enables precise control over peptide conformation leading to enhanced properties such as improved stability and enhanced binding affinity. Although symmetric stapling methods have been extensively explored, the field of non-symmetric stapling of native peptides has received less attention, largely as a result of the formidable challenges it poses - in particular the complexities involved in achieving the high chemo-selectivity and site-selectivity required to simultaneously modify distinct proteinogenic residues. Over the past 5 years, there have been significant breakthroughs in addressing these challenges. In this Review, we describe the latest strategies for non-symmetric stapling of native peptides, elucidating the protocols, reaction mechanisms and underlying design principles. We also discuss current challenges and opportunities this field offers for future applications, such as ligand discovery and peptide-based therapeutics.
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Affiliation(s)
- Fa-Jie Chen
- College of Chemistry, Fuzhou University, Fuzhou, P. R. China.
| | - Wanzhen Lin
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, P. R. China
| | - Fen-Er Chen
- College of Chemistry, Fuzhou University, Fuzhou, P. R. China.
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Department of Chemistry, Fudan University, Shanghai, P. R. China.
- Shanghai Engineering Research Center of Industrial Asymmetric Catalysis of Chiral Drugs, Fudan University, Shanghai, P. R. China.
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6
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Li Y, Han D, Luo Z, Lv X, Liu B. The Chan-Lam-type synthesis of thioimidazolium salts for thiol-(hetero)arene conjugation. Chem Commun (Camb) 2024; 60:4675-4678. [PMID: 38591667 DOI: 10.1039/d4cc00704b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
The design of stable and variable aryl linkers for conjugating drug moieties to the metabolism-related thiols is of importance in drug discovery. We disclosed that thioimidazolium groups are unique scaffolds for the thiol-(hetero)arene conjugation under mild conditions. The drug bound thioimidazolium salts, which are easily accessible via a copper-mediated Chan-Lam process in gram-scale, could be successfully applied to the late-stage coupling of bioactive thiols to construct a broad array of drug-like molecules.
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Affiliation(s)
- Yue Li
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, China.
| | - Dongchang Han
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, China.
| | - Zhibin Luo
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, China.
| | - Xiaomeng Lv
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, China.
| | - Bin Liu
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, China.
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7
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Lin X, Harel O, Jbara M. Chemical Engineering of Artificial Transcription Factors by Orthogonal Palladium(II)-Mediated S-Arylation Reactions. Angew Chem Int Ed Engl 2024; 63:e202317511. [PMID: 38085105 DOI: 10.1002/anie.202317511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Indexed: 12/23/2023]
Abstract
Site-selective functionalization strategies are in high demand to prepare well-defined homogeneous proteins for basic research and biomedical applications. In this regard, cysteine-based reactions have enabled a broad set of transformations to produce modified proteins for various applications. However, these approaches were mainly employed to modify a single reactive site with a specific transformation. Achieving site selectivity or multiple transformations, essential for preparing complex biomolecules, remains challenging. Herein we demonstrate the power of combining palladium(II)-mediated C-S bond formation and C-S bond cleavage reactions to selectively edit desired cysteine sites in complex and uniquely modified proteins. We developed an orthogonal palladium(II) strategy for rapid and effective diversification of multiple cysteine sites (3-6 residues) with various transformations. Importantly, we employed our approach to prepare 10 complex analogues, including modified, stapled, and multimeric proteins on a milligram scale. Furthermore, we also synthesized a focused library of stabilized artificial transcription factors that displayed enhanced stability and potent DNA binding activity. Our approach enables rapid and effective protein editing and opens new avenues to engineer new biomolecules for fundamental research and therapeutic applications.
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Affiliation(s)
- Xiaoxi Lin
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, 69978, Israel
| | - Omer Harel
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, 69978, Israel
| | - Muhammad Jbara
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, 69978, Israel
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8
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Grob NM, Remarcik C, Rössler SL, Wong JYK, Wang JCK, Tao J, Smith CL, Loas A, Buchwald SL, Eaton DL, López MP, Pentelute BL. Electrophile Scanning Reveals Reactivity Hotspots for the Design of Covalent Peptide Binders. ACS Chem Biol 2024; 19:101-109. [PMID: 38069818 DOI: 10.1021/acschembio.3c00538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
Protein-protein interactions (PPIs) are intriguing targets in drug discovery and development. Peptides are well suited to target PPIs, which typically present with large surface areas lacking distinct features and deep binding pockets. To improve binding interactions with these topologies and advance the development of PPI-focused therapeutics, potential ligands can be equipped with electrophilic groups to enable binding through covalent mechanisms of action. We report a strategy termed electrophile scanning to identify reactivity hotspots in a known peptide ligand and demonstrate its application in a model PPI. Cysteine mutants of a known ligand are used to install protein-reactive modifiers via a palladium oxidative addition complex (Pd-OAC). Reactivity hotspots are revealed by cross-linking reactions with the target protein under physiological conditions. In a model PPI with the 9-mer peptide antigen VL9 and major histocompatibility complex (MHC) class I protein HLA-E, we identify two reactivity hotspots that afford up to 87% conversion to the protein-peptide conjugate within 4 h. The reactions are specific to the target protein in vitro and dependent on the peptide sequence. Moreover, the cross-linked peptide successfully inhibits molecular recognition of HLA-E by CD94-NKG2A possibly due to structural changes enacted at the PPI interface. The results illustrate the potential application of electrophile scanning as a tool for rapid discovery and development of covalent peptide binders.
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Affiliation(s)
- Nathalie M Grob
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States of America
| | - Clint Remarcik
- Calico Life Sciences LLC, San Francisco, California 94080, United States of America
| | - Simon L Rössler
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States of America
| | - Jeffrey Y K Wong
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States of America
| | - John C K Wang
- Calico Life Sciences LLC, San Francisco, California 94080, United States of America
| | - Jason Tao
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States of America
| | - Corey L Smith
- AbbVie Bioresearch Center, Worcester, Massachusetts 01605, United States of America
| | - Andrei Loas
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States of America
| | - Stephen L Buchwald
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States of America
| | - Dan L Eaton
- Calico Life Sciences LLC, San Francisco, California 94080, United States of America
| | | | - Bradley L Pentelute
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States of America
- The Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02142, United States of America
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02142, United States of America
- Center for Environmental Health Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States of America
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9
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Shen L, Monasson O, Peroni E, Le Bideau F, Messaoudi S. Electrochemical Nickel-Catalyzed Selective Inter- and Intramolecular Arylations of Cysteine-Containing Peptides. Angew Chem Int Ed Engl 2023; 62:e202315748. [PMID: 37906608 DOI: 10.1002/anie.202315748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 10/30/2023] [Accepted: 10/31/2023] [Indexed: 11/02/2023]
Abstract
Here we report a simple electrochemical route towards the synthesis of S-arylated peptides by a site selective coupling of peptides with aryl halides under base free conditions. This approach demonstrates the power of electrochemistry to access both highly complex peptide conjugates and cyclic peptides.
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Affiliation(s)
- Linhua Shen
- Université Paris-Saclay, CNRS, BioCIS, 92290, Orsay, France
| | - Olivier Monasson
- Université Paris-Saclay, CNRS, BioCIS, 92290, Orsay, France
- CY Cergy Paris Université, CNRS, BioCIS, 95000, Cergy Pontoise, France
| | - Elisa Peroni
- Université Paris-Saclay, CNRS, BioCIS, 92290, Orsay, France
- CY Cergy Paris Université, CNRS, BioCIS, 95000, Cergy Pontoise, France
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10
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Zielke FM, Rutjes FPJT. Recent Advances in Bioorthogonal Ligation and Bioconjugation. Top Curr Chem (Cham) 2023; 381:35. [PMID: 37991570 PMCID: PMC10665463 DOI: 10.1007/s41061-023-00445-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 10/23/2023] [Indexed: 11/23/2023]
Abstract
The desire to create biomolecules modified with functionalities that go beyond nature's toolbox has resulted in the development of biocompatible and selective methodologies and reagents, each with different scope and limitations. In this overview, we highlight recent advances in the field of bioconjugation from 2016 to 2023. First, (metal-mediated) protein functionalization by exploiting the specific reactivity of amino acids will be discussed, followed by novel bioorthogonal reagents for bioconjugation of modified biomolecules.
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Affiliation(s)
- Florian M Zielke
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ, Nijmegen, The Netherlands
| | - Floris P J T Rutjes
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ, Nijmegen, The Netherlands.
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11
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Lipka BM, Honeycutt DS, Bassett GM, Kowal TN, Adamczyk M, Cartnick ZC, Betti VM, Goldberg JM, Wang F. Ultra-rapid Electrophilic Cysteine Arylation. J Am Chem Soc 2023; 145:23427-23432. [PMID: 37857310 DOI: 10.1021/jacs.3c10334] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
Rapid bond-forming reactions are crucial for efficient bioconjugation. We describe a simple and practical strategy for facilitating ultra-rapid electrophilic cysteine arylation. Using a variety of sulfone-activated pyridinium salts, this uncatalyzed reaction proceeds with exceptionally high rate constants, ranging from 9800 to 320,000 M-1·s-1, in pH 7.0 aqueous buffer at 25 °C. Such reactions allow for stoichiometric bioconjugation of micromolar cysteine within minutes or even seconds. Even though the arylation is extremely fast, the chemistry exhibits excellent selectivity, thus furnishing functionalized peptides and proteins with both high conversion and purity.
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Affiliation(s)
- Bradley M Lipka
- Department of Chemistry, University of Rhode Island, 140 Flagg Rd, Kingston, Rhode Island 02881, United States
| | - Daniel S Honeycutt
- Department of Chemistry, University of Rhode Island, 140 Flagg Rd, Kingston, Rhode Island 02881, United States
| | - Gregory M Bassett
- Department of Chemistry, University of Rhode Island, 140 Flagg Rd, Kingston, Rhode Island 02881, United States
| | - Taylor N Kowal
- Department of Chemistry, University of Rhode Island, 140 Flagg Rd, Kingston, Rhode Island 02881, United States
| | - Max Adamczyk
- Department of Chemistry, University of Rhode Island, 140 Flagg Rd, Kingston, Rhode Island 02881, United States
| | - Zachary C Cartnick
- Department of Chemistry, Colgate University, 13 Oak Drive, Hamilton, New York 13346, United States
| | - Vincent M Betti
- Department of Chemistry, Colgate University, 13 Oak Drive, Hamilton, New York 13346, United States
| | - Jacob M Goldberg
- Department of Chemistry, Colgate University, 13 Oak Drive, Hamilton, New York 13346, United States
| | - Fang Wang
- Department of Chemistry, University of Rhode Island, 140 Flagg Rd, Kingston, Rhode Island 02881, United States
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12
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Chen FJ, Pinnette N, Yang F, Gao J. A Cysteine-Directed Proximity-Driven Crosslinking Method for Native Peptide Bicyclization. Angew Chem Int Ed Engl 2023; 62:e202306813. [PMID: 37285100 PMCID: PMC10527288 DOI: 10.1002/anie.202306813] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/02/2023] [Accepted: 06/05/2023] [Indexed: 06/08/2023]
Abstract
Efficient and site-specific modification of native peptides and proteins is desirable for synthesizing antibody-drug conjugates as well as for constructing chemically modified peptide libraries using genetically encoded platforms such as phage display. In particular, there is much interest in efficient multicyclization of native peptides due to the appeals of multicyclic peptides as therapeutics. However, conventional approaches for multicyclic peptide synthesis require orthogonal protecting groups or non-proteinogenic clickable handles. Herein, we report a cysteine-directed proximity-driven strategy for the constructing bicyclic peptides from simple natural peptide precursors. This linear to bicycle transformation initiates with rapid cysteine labeling, which then triggers proximity-driven amine-selective cyclization. This bicyclization proceeds rapidly under physiologic conditions, yielding bicyclic peptides with a Cys-Lys-Cys, Lys-Cys-Lys or N-terminus-Cys-Cys stapling pattern. We demonstrate the utility and power of this strategy by constructing bicyclic peptides fused to proteins as well as to the M13 phage, paving the way to phage display of novel bicyclic peptide libraries.
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Affiliation(s)
- Fa-Jie Chen
- Department of Chemistry, Boston College, Merkert Chemistry Center, 2609 Beacon Street, Chestnut Hill, MA 02467, USA
| | - Nicole Pinnette
- Department of Chemistry, Boston College, Merkert Chemistry Center, 2609 Beacon Street, Chestnut Hill, MA 02467, USA
| | - Fan Yang
- Department of Chemistry, Boston College, Merkert Chemistry Center, 2609 Beacon Street, Chestnut Hill, MA 02467, USA
| | - Jianmin Gao
- Department of Chemistry, Boston College, Merkert Chemistry Center, 2609 Beacon Street, Chestnut Hill, MA 02467, USA
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13
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Shenoy RV, Jones PG, Vicente J, Martínez-Viviente E. Synthesis of mono-, di- and tripalladated 1,3,5-benzenetristyryl complexes. CO insertion to give a dipalladated indenone. Dalton Trans 2023; 52:3786-3794. [PMID: 36866460 DOI: 10.1039/d3dt00091e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
Abstract
The tribrominated arenes 1,3,5-C6(E-CHCHAr)3Br3 (Ar = Ph, (I), p-To (I')), add oxidatively to [Pd(dba)2] ([Pd2(dba)3]·dba) in the presence of two equivalents of a phosphine (PPh3 or PMe2Ph) to form the monopalladated complexes trans-[Pd{C6(E-CHCHAr)3Br2}Br(L)2] (Ar = Ph, L = PPh3 (1a), Ar = p-To, L = PPh3 (1a'), Ar = Ph, L = PMe2Ph (1b)), while the reaction in a 1 : 2 : 4 arene : Pd : PMe2Ph molar ratio affords the dipalladated complex [{trans-PdBr(PMe2Ph)2}2{μ2-C6(E-CHCHPh)3Br}] (2b). Both I and I' add oxidatively to 3 equivalents of [Pd(dba)2] in the presence of the chelating N-donor ligand tmeda (N,N,N',N'-tetramethylethylenediamine) to form the tripalladated complexes [{PdBr(tmeda)}3{μ3-C6(E-CHCHAr)3}] (Ar = Ph, (3c), p-To (3c')). Complex 3c reacts with PMe3 to form [{trans-PdBr(PMe3)2}3{μ3-C6(E-CHCHPh)3}] (3d). Compound 3c also reacts with CO to give the novel dipalladated indenone [2-Ph-4,6-{PdBr(tmeda)}2-5,7-(E-CHCHPh)2-inden-1-one] (4). The crystal structures of 1a' and 1b were determined by X-ray diffraction studies.
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Affiliation(s)
- Rashmi V Shenoy
- Grupo de Química Organometálica, Departamento de Química Inorgánica, Facultad de Química, Universidad de Murcia, E-30071 Murcia, Spain.
| | - Peter G Jones
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany.
| | - José Vicente
- Grupo de Química Organometálica, Departamento de Química Inorgánica, Facultad de Química, Universidad de Murcia, E-30071 Murcia, Spain.
| | - Eloísa Martínez-Viviente
- Grupo de Química Organometálica, Departamento de Química Inorgánica, Facultad de Química, Universidad de Murcia, E-30071 Murcia, Spain.
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14
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Fischer NH, Oliveira MT, Diness F. Chemical modification of proteins - challenges and trends at the start of the 2020s. Biomater Sci 2023; 11:719-748. [PMID: 36519403 DOI: 10.1039/d2bm01237e] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Ribosomally expressed proteins perform multiple, versatile, and specialized tasks throughout Nature. In modern times, chemically modified proteins, including improved hormones, enzymes, and antibody-drug-conjugates have become available and have found advanced industrial and pharmaceutical applications. Chemical modification of proteins is used to introduce new functionalities, improve stability or drugability. Undertaking chemical reactions with proteins without compromising their native function is still a core challenge as proteins are large conformation dependent multifunctional molecules. Methods for functionalization ideally should be chemo-selective, site-selective, and undertaken under biocompatible conditions in aqueous buffer to prevent denaturation of the protein. Here the present challenges in the field are discussed and methods for modification of the 20 encoded amino acids as well as the N-/C-termini and protein backbone are presented. For each amino acid, common and traditional modification methods are presented first, followed by more recent ones.
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Affiliation(s)
- Niklas Henrik Fischer
- Department of Science and Environment, Roskilde University, Universitetsvej 1, DK-4000 Roskilde, Denmark. .,Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark
| | - Maria Teresa Oliveira
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark
| | - Frederik Diness
- Department of Science and Environment, Roskilde University, Universitetsvej 1, DK-4000 Roskilde, Denmark. .,Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark
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15
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Wan C, Hou Z, Yang D, Zhou Z, Xu H, Wang Y, Dai C, Liang M, Meng J, Chen J, Yin F, Wang R, Li Z. The thiol-sulfoxonium ylide photo-click reaction for bioconjugation. Chem Sci 2023; 14:604-612. [PMID: 36741507 PMCID: PMC9847666 DOI: 10.1039/d2sc05650j] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 12/01/2022] [Indexed: 12/04/2022] Open
Abstract
Visible-light-mediated methods were heavily studied as a useful tool for cysteine-selective bio-conjugation; however, many current methods suffer from bio-incompatible reaction conditions and slow kinetics. To address these challenges, herein, we report a transition metal-free thiol-sulfoxonium ylide photo-click reaction that enables bioconjugation under bio-compatible conditions. The reaction is highly cysteine-selective and generally finished within minutes with naturally occurring riboflavin derivatives as organic photocatalysts. The catalysts and substrates are readily accessible and bench stable and have satisfactory water solubility. As a proof-of-concept study, the reaction was smoothly applied in chemo-proteomic analysis, which provides efficient tools to explore the druggable content of the human proteome.
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Affiliation(s)
- Chuan Wan
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate SchoolShenzhen518055P. R. China
| | - Zhanfeng Hou
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate SchoolShenzhen518055P. R. China
| | - Dongyan Yang
- College of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and EngineeringGuangzhou510225P. R. China
| | - Ziyuan Zhou
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical CollegeShenzhen518116P. R. China
| | - Hongkun Xu
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate SchoolShenzhen518055P. R. China
| | - Yuena Wang
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate SchoolShenzhen518055P. R. China
| | - Chuan Dai
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate SchoolShenzhen518055P. R. China
| | - Mingchan Liang
- Pingshan Translational Medicine Center, Shenzhen Bay LaboratoryShenzhen518118P. R. China
| | - Jun Meng
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical CollegeShenzhen518116P. R. China
| | - Jiean Chen
- Pingshan Translational Medicine Center, Shenzhen Bay LaboratoryShenzhen518118P. R. China
| | - Feng Yin
- Pingshan Translational Medicine Center, Shenzhen Bay LaboratoryShenzhen518118P. R. China
| | - Rui Wang
- Pingshan Translational Medicine Center, Shenzhen Bay LaboratoryShenzhen518118P. R. China
| | - Zigang Li
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate SchoolShenzhen518055P. R. China,Pingshan Translational Medicine Center, Shenzhen Bay LaboratoryShenzhen518118P. R. China
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16
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Chu X, Li B, Liu HY, Sun X, Yang X, He G, Zhou C, Xuan W, Liu SL, Chen G. Bioconjugation via Hetero-Selective Clamping of Two Different Amines with ortho-Phthalaldehyde. Angew Chem Int Ed Engl 2023; 62:e202212199. [PMID: 36398699 DOI: 10.1002/anie.202212199] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Indexed: 11/19/2022]
Abstract
Amino groups are common in both natural and synthetic compounds and offer a very attractive class of endogenous handles for bioconjugation. However, the ability to differentiate two types of amino groups and join them with high hetero-selectivity and efficiency in a complex setting remains elusive. Herein, we report a new method for bioconjugation via one-pot chemoselective clamping of two different amine nucleophiles using a simple ortho-phthalaldehyde (OPA) reagent. Various α-amino acids, aryl amines, and secondary amines can be crosslinked to the ϵ-amino side chain of lysine on peptides or proteins with high efficiency and hetero-selectivity. This method offers a simple and powerful means to crosslink small molecule drugs, imaging probes, peptides, proteins, carbohydrates, and even virus particles without any pre-functionalization.
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Affiliation(s)
- Xin Chu
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Bo Li
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Hao-Yang Liu
- State Key Laboratory of Medicinal Chemical Biology, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Xiaowei Sun
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Xiaochen Yang
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Gang He
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Chuanzheng Zhou
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China.,Haihe Laboratory of Sustainable Chemical Transformations, Tianjin, 300192, China
| | - Weimin Xuan
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Shu-Lin Liu
- State Key Laboratory of Medicinal Chemical Biology, College of Chemistry, Nankai University, Tianjin, 300071, China.,Frontiers Science Center for New Organic Matter, Nankai University, Tianjin, 300071, China
| | - Gong Chen
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China.,Frontiers Science Center for New Organic Matter, Nankai University, Tianjin, 300071, China.,Haihe Laboratory of Sustainable Chemical Transformations, Tianjin, 300192, China
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17
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Firsan S, Sivakumar V, Colacot TJ. Emerging Trends in Cross-Coupling: Twelve-Electron-Based L 1Pd(0) Catalysts, Their Mechanism of Action, and Selected Applications. Chem Rev 2022; 122:16983-17027. [PMID: 36190916 PMCID: PMC9756297 DOI: 10.1021/acs.chemrev.2c00204] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Monoligated palladium(0) species, L1Pd(0), have emerged as the most active catalytic species in the cross-coupling cycle. Today, there are methods available to generate the highly active but unstable L1Pd(0) catalysts from stable precatalysts. While the size of the ligand plays an important role in the formation of L1Pd(0) during in situ catalysis, the latter can be precisely generated from the precatalyst by various technologies. Computational, kinetic, and experimental studies indicate that all three steps in the catalytic cycle─oxidative addition, transmetalation, and reductive elimination─contain monoligated Pd. The synthesis of precatalysts, their mode of activation, application studies in model systems, as well as in industry are discussed. Ligand parametrization and AI based data science can potentially help predict the facile formation of L1Pd(0) species.
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Affiliation(s)
- Sharbil
J. Firsan
- Science
and Lab Solutions−Chemistry, MilliporeSigma, 6000 North Teutonia Avenue, Milwaukee, Wisconsin53209, United States
| | - Vilvanathan Sivakumar
- Merck
Life Science Pvt Ltd, No-12, Bommasandra-Jigani Link Road, Industrial Area, Bangalore560100, India
| | - Thomas J. Colacot
- Science
and Lab Solutions−Chemistry, MilliporeSigma, 6000 North Teutonia Avenue, Milwaukee, Wisconsin53209, United States,
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18
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Weng Y, Xu X, Chen H, Zhang Y, Zhuo X. Tandem Electrochemical Oxidative Azidation/Heterocyclization of Tryptophan‐Containing Peptides under Buffer Conditions. Angew Chem Int Ed Engl 2022; 61:e202206308. [DOI: 10.1002/anie.202206308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Yiyi Weng
- College of Pharmaceutical Sciences Zhejiang University of Technology 310014 Hangzhou P.R. China
| | - Xiaobin Xu
- College of Pharmaceutical Sciences Zhejiang University of Technology 310014 Hangzhou P.R. China
| | - Hantao Chen
- College of Pharmaceutical Sciences Zhejiang University of Technology 310014 Hangzhou P.R. China
| | - Yiyang Zhang
- College of Pharmaceutical Sciences Zhejiang University of Technology 310014 Hangzhou P.R. China
| | - Xianfeng Zhuo
- College of Pharmaceutical Sciences Zhejiang University of Technology 310014 Hangzhou P.R. China
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19
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Weng Y, Xu X, Chen H, Zhang Y, Zhuo X. Tandem Electrochemical Oxidative Azidation/Heterocyclization of Tryptophan‐Containing Peptides under Buffer Conditions. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202206308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yiyi Weng
- Zhejiang University of Technology College of Pharmaceutical Science Chaowang road 18 310014 Hangzhou CHINA
| | - Xiaobin Xu
- Zhejiang University of Technology College of Pharmaceutical Sciences CHINA
| | - Hantao Chen
- Zhejiang University of Technology College of Pharmaceutical Sciences CHINA
| | - Yiyang Zhang
- Zhejiang University of Technology College of Pharmaceutical Sciences CHINA
| | - Xianfeng Zhuo
- Zhejiang University of Technology College of Pharmaceutical Sciences CHINA
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20
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Çalışkan E. Chemoselective Synthesis of Tyrosine‐Based Polymers and Comparison of Their Thermal, Kinetic, and Dielectric Properties. ChemistrySelect 2022. [DOI: 10.1002/slct.202202010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Eray Çalışkan
- Bingol University Faculty of Arts and Science Department of Chemistry Bingol Turkey
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21
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Cleavable Cys labeling directed Lys site-selective stapling and single-site modification. Sci China Chem 2022. [DOI: 10.1007/s11426-022-1252-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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22
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Hopkins BA, Zavesky B, White D. Thioetherification of Aryl Halides with Thioacetates. J Org Chem 2022; 87:7547-7550. [PMID: 35580300 DOI: 10.1021/acs.joc.2c00574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A palladium-catalyzed cross-coupling of thioacetates and aryl halides is described herein. Using a catalyst screening kit, tBuBrettPhos Pd G3 was found to be a unique catalyst for this reaction, affording the desired thioarene products in high yields under mild reaction conditions. The thioacetate starting materials are readily available, allowing for quick access to these more lab friendly reagents. Reactions described herein range from the late-stage coupling of complex thioacetates to the first report of a mild set of conditions for thiomethylation of aryl halides.
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Affiliation(s)
- Brett Andrew Hopkins
- Corteva Agriscience Discovery Chemistry, 9330 Zionsville Road, Indianapolis, Indiana 46268, United States
| | - Blane Zavesky
- Corteva Agriscience Discovery Chemistry, 9330 Zionsville Road, Indianapolis, Indiana 46268, United States
| | - Derick White
- Corteva Agriscience Discovery Chemistry, 9330 Zionsville Road, Indianapolis, Indiana 46268, United States
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23
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Gazvoda M, Dhanjee HH, Rodriguez J, Brown JS, Farquhar CE, Truex NL, Loas A, Buchwald SL, Pentelute BL. Palladium-Mediated Incorporation of Carboranes into Small Molecules, Peptides, and Proteins. J Am Chem Soc 2022; 144:7852-7860. [PMID: 35438502 PMCID: PMC9881053 DOI: 10.1021/jacs.2c01932] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Carboranes represent a class of compounds with increasing therapeutic potential. However, few general approaches to readily embed carboranes into small molecules, peptides, and proteins are available. We report a strategy based on palladium-mediated C-X (X = C, S, and N) bond formation for the installation of carborane-containing moieties onto small molecules and peptides. We demonstrate the ability of Pd-based reagents with appropriate ligands to overcome the high hydrophobicity of the carborane group and enable chemoselective conjugation of cysteine residues at room temperature in aqueous buffer. Accordingly, carboranes can be efficiently installed on proteins by employing a combination of a bis-sulfonated biarylphosphine-ligated Pd reagent in an aqueous histidine buffer. This method is successfully employed on nanobodies, a fully synthetic affibody, and the antibody therapeutics trastuzumab and cetuximab. The conjugates of the affibody ZHER2 and the trastuzumab antibody retained binding to their target antigens. Conjugated proteins maintain their activity in cell-based functional assays in HER2-positive BT-474 cell lines. This approach enables the rapid incorporation of carborane moieties into small molecules, peptides, and proteins for further exploration in boron neutron capture therapy, which requires the targeted delivery of boron-dense groups.
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Affiliation(s)
| | | | - Jacob Rodriguez
- Department of Chemistry, Massachusetts, Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Joseph S. Brown
- Department of Chemistry, Massachusetts, Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Charlotte E. Farquhar
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Nicholas L. Truex
- Department of Chemistry, Massachusetts, Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Andrei Loas
- Department of Chemistry, Massachusetts, Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Stephen L. Buchwald
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Bradley L. Pentelute
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States,The Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02142, United States,Center for Environmental Health Sciences, Massachusetts, Institute of Technology, Cambridge, Massachusetts 02139, United States,Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02142, United States
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24
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Shen MH, Wang YJ, Wang Y, Zhou Y, Gu J, Liu XQ, Guo J, Ouyang M, Deng L, Xu HD. α-Vinyl azide–cysteine click coupling reaction enabled bioorthogonal peptide/protein modification. Org Chem Front 2022. [DOI: 10.1039/d2qo00736c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
α-Alkyl and α-aryl vinyl azides were found to be able to couple with cysteine-derived alkyl thiols chemoselectively under mild conditions, providing the corresponding β-ketosulfides with simultaneous extrusion of N2 and ammonia.
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Affiliation(s)
- Mei-Hua Shen
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu Province, 213164, China
| | - Yu-Jiao Wang
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu Province, 213164, China
| | - Yong Wang
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu Province, 213164, China
| | - Ying Zhou
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu Province, 213164, China
| | - Jie Gu
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu Province, 213164, China
| | - Xiao-Qian Liu
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu Province, 213164, China
| | - Jia Guo
- Institute of Biomedical Engineering and Health Sciences, Changzhou University, Changzhou, Jiangsu Province, 213164, China
| | - Mingxing Ouyang
- Institute of Biomedical Engineering and Health Sciences, Changzhou University, Changzhou, Jiangsu Province, 213164, China
| | - Linhong Deng
- Institute of Biomedical Engineering and Health Sciences, Changzhou University, Changzhou, Jiangsu Province, 213164, China
| | - Hua-Dong Xu
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu Province, 213164, China
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25
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Vanjari R, Eid E, Vamisetti GB, Mandal S, Brik A. Highly Efficient Cyclization Approach of Propargylated Peptides via Gold(I)-Mediated Sequential C-N, C-O, and C-C Bond Formation. ACS CENTRAL SCIENCE 2021; 7:2021-2028. [PMID: 34966846 PMCID: PMC8711126 DOI: 10.1021/acscentsci.1c00969] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Indexed: 05/02/2023]
Abstract
A rapid and efficient cyclization of unprotected N-propargylated peptides using the Au(I) organometallic complex is reported. The method relies on the activation of the propargyl functionality using gold(I) to produce a new linkage with the N-terminus amine at the cyclization site. The presented method features a fast reaction rate (within 20 min), mild conditions, chemoselectivity, wide sequence scope, and high yields (up to 87%). The strategy was successfully tested on a wide variety of 30 unprotected peptides having various sequences and lengths, thus providing access to structurally distinct cyclic peptides. The practical usefulness of this method was demonstrated in producing peptides that bind efficiently to Lys48-linked di- and tetra-ubiquitin chains. The new cyclic peptide modulators exhibited high permeability to living cells and promoted apoptosis via binding with the endogenous Lys48-linked ubiquitin chains.
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26
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Jiang Z, Zhao DD, Hu YT, Rao Y, Guo SY, Xu YH, Li Q, Huang ZS. Palladium oxidative addition complex-enabled synthesis of amino-substituted indolyl-4(3 H)-quinazolinones and their antitumor activity evaluation. Org Biomol Chem 2021; 20:553-557. [PMID: 34932056 DOI: 10.1039/d1ob02307a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The indolyl-4(3H)-quinazolinone core is an important structural motif in functional molecules. However, few methods exist for its direct modification, which limits its potential application. Reported herein is a palladium-mediated amination of halogen-containing indolyl-4(3H)-quinazolinones with a variety of primary and secondary amines via the corresponding palladium oxidative addition complexes. The protocol allows the facile synthesis of indolyl-4(3H)-quinazolinone derivatives with amino groups at all the positions of the benzene ring in moderate to good yields with mild reaction conditions and good functional group tolerance. Furthermore, the antitumor activity of these products was evaluated.
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Affiliation(s)
- Zhi Jiang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China.
| | - Dan-Dan Zhao
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China.
| | - Yu-Tao Hu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China.
| | - Yong Rao
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China.
| | - Shi-Yao Guo
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China.
| | - Yao-Hao Xu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China.
| | - Qingjiang Li
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China.
| | - Zhi-Shu Huang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China.
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27
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Frost C, Tilden JAR, Lubben AT, Reeksting SB, Kociok-Köhn G. Pd(II)-mediated C-H activation for cysteine bioconjugation. Chemistry 2021; 28:e202104385. [PMID: 34905636 PMCID: PMC9305290 DOI: 10.1002/chem.202104385] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Indexed: 11/10/2022]
Abstract
Selective bioconjugation remains a significant challenge for the synthetic chemist due to the stringent reaction conditions required by biomolecules coupled with their high degree of functionality. The current trailblazer of transition‐metal mediated bioconjugation chemistry involves the use of Pd(II) complexes prepared via an oxidative addition process. Herein, the preparation of Pd(II) complexes for cysteine bioconjugation via a facile C−H activation process is reported. These complexes show bioconjugation efficiency competitive with what is seen in the current literature, with a user‐friendly synthesis, common Pd(II) sources, and a more cost‐effective ligand. Furthermore, these complexes need not be isolated, and still achieve high conversion efficiency and selectivity of a model peptide. These complexes also demonstrate the ability to selectively arylate a single surface cysteine residue on a model protein substrate, further demonstrating their utility.
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Affiliation(s)
- Christopher Frost
- University of Bath, Chemistry, Claverton Down, BA2 7AY, Bath, UNITED KINGDOM
| | - James A R Tilden
- University of Bath - Claverton Down Campus: University of Bath, Chemistry, UNITED KINGDOM
| | - Anneke T Lubben
- University of Bath - Claverton Down Campus: University of Bath, Chemistry, UNITED KINGDOM
| | - Shaun B Reeksting
- University of Bath - Claverton Down Campus: University of Bath, Chemistry, UNITED KINGDOM
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28
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Yang P, Zhang C, Li B, He G, Chen G. Solid Phase Synthesis of Thioether‐linked Peptide Macrocycles via Palladium‐Catalyzed Intramolecular S‐Arylation and S‐Alkenylation. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100561] [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)
- Peng Yang
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 P. R. China
| | - Chao Zhang
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 P. R. China
| | - Bo Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 P. R. China
| | - Gang He
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 P. R. China
| | - Gong Chen
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 P. R. China
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29
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Chu X, Shen L, Li B, Yang P, Du C, Wang X, He G, Messaoudi S, Chen G. Construction of Peptide Macrocycles via Palladium-Catalyzed Multiple S-Arylation: An Effective Strategy to Expand the Structural Diversity of Cross-Linkers. Org Lett 2021; 23:8001-8006. [PMID: 34582221 DOI: 10.1021/acs.orglett.1c03003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A simple and versatile method for macrocyclizing unprotected native peptides with a wide range of easily accessible diiodo and triiodoarene reagents via the palladium-catalyzed multiple S-arylation of cysteine residues is developed. Iodoarenes with different arene and heteroarene cores can be incorporated into peptide macrocycles of varied ring sizes and amino acid compositions with high efficiency and selectivity under mild conditions.
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Affiliation(s)
- Xin Chu
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Linhua Shen
- University Paris-Saclay, CNRS, BioCIS, 92296 Chat̂enay-Malabry, France
| | - Bo Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Peng Yang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Chengzhuo Du
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Xiaoye Wang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Gang He
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Samir Messaoudi
- University Paris-Saclay, CNRS, BioCIS, 92296 Chat̂enay-Malabry, France
| | - Gong Chen
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
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30
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Wu Y, Chau H, Thor W, Chan KHY, Ma X, Chan W, Long NJ, Wong K. Solid-Phase Peptide Macrocyclization and Multifunctionalization via Dipyrrin Construction. Angew Chem Int Ed Engl 2021; 60:20301-20307. [PMID: 34272794 PMCID: PMC8457249 DOI: 10.1002/anie.202108885] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Indexed: 11/11/2022]
Abstract
We introduce a new and highly efficient synthetic protocol towards multifunctional fluorescent cyclopeptides by solid-phase peptide macrocyclization via dipyrrin construction, with full scope of proteinogenic amino acids and different ring sizes. Various bicyclic peptides can be created by dipyrrin-based crosslinking and double dipyrrin-ring formation. The embedded dipyrrin can be either transformed to fluorescent BODIPY and then utilized as cancer-selective targeted protein imaging probe in vitro, or directly employed as a selective metal sensor in aqueous media. This work provides a valuable addition to the peptide macrocyclization toolbox, and a blueprint for the development of multifunctional dipyrrin linkers in cyclopeptides for a wide range of potential bioapplications.
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Affiliation(s)
- Yue Wu
- Department of ChemistryHong Kong Baptist UniversityKowloon TongKowloonHong Kong SARChina
| | - Ho‐Fai Chau
- Department of ChemistryHong Kong Baptist UniversityKowloon TongKowloonHong Kong SARChina
| | - Waygen Thor
- Department of ChemistryHong Kong Baptist UniversityKowloon TongKowloonHong Kong SARChina
| | - Kaitlin Hao Yi Chan
- Department of ChemistryHong Kong Baptist UniversityKowloon TongKowloonHong Kong SARChina
- Department of Applied Biology and Chemical TechnologyHong Kong Polytechnic UniversityHung HomHong Kong SARChina
| | - Xia Ma
- Department of ChemistryHong Kong Baptist UniversityKowloon TongKowloonHong Kong SARChina
| | - Wai‐Lun Chan
- Department of Applied Biology and Chemical TechnologyHong Kong Polytechnic UniversityHung HomHong Kong SARChina
| | - Nicholas J. Long
- Department of ChemistryImperial College London, Molecular Sciences Research HubLondonUK
| | - Ka‐Leung Wong
- Department of ChemistryHong Kong Baptist UniversityKowloon TongKowloonHong Kong SARChina
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31
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Wu Y, Chau H, Thor W, Chan KHY, Ma X, Chan W, Long NJ, Wong K. Solid‐Phase Peptide Macrocyclization and Multifunctionalization via Dipyrrin Construction. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202108885] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Yue Wu
- Department of Chemistry Hong Kong Baptist University Kowloon Tong Kowloon Hong Kong SAR China
| | - Ho‐Fai Chau
- Department of Chemistry Hong Kong Baptist University Kowloon Tong Kowloon Hong Kong SAR China
| | - Waygen Thor
- Department of Chemistry Hong Kong Baptist University Kowloon Tong Kowloon Hong Kong SAR China
| | - Kaitlin Hao Yi Chan
- Department of Chemistry Hong Kong Baptist University Kowloon Tong Kowloon Hong Kong SAR China
- Department of Applied Biology and Chemical Technology Hong Kong Polytechnic University Hung Hom Hong Kong SAR China
| | - Xia Ma
- Department of Chemistry Hong Kong Baptist University Kowloon Tong Kowloon Hong Kong SAR China
| | - Wai‐Lun Chan
- Department of Applied Biology and Chemical Technology Hong Kong Polytechnic University Hung Hom Hong Kong SAR China
| | - Nicholas J. Long
- Department of Chemistry Imperial College London, Molecular Sciences Research Hub London UK
| | - Ka‐Leung Wong
- Department of Chemistry Hong Kong Baptist University Kowloon Tong Kowloon Hong Kong SAR China
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32
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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.
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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
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33
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Son J. Sustainable manganese catalysis for late-stage C-H functionalization of bioactive structural motifs. Beilstein J Org Chem 2021; 17:1733-1751. [PMID: 34386100 PMCID: PMC8329386 DOI: 10.3762/bjoc.17.122] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 07/15/2021] [Indexed: 01/31/2023] Open
Abstract
The late-stage C–H functionalization of bioactive structural motifs is a powerful synthetic strategy for accessing advanced agrochemicals, bioimaging materials, and drug candidates, among other complex molecules. While traditional late-stage diversification relies on the use of precious transition metals, the utilization of 3d transition metals is an emerging approach in organic synthesis. Among the 3d metals, manganese catalysts have gained increasing attention for late-stage diversification due to the sustainability, cost-effectiveness, ease of operation, and reduced toxicity. Herein, we summarize recent manganese-catalyzed late-stage C–H functionalization reactions of biologically active small molecules and complex peptides.
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Affiliation(s)
- Jongwoo Son
- Department of Chemistry, Dong-A University, Busan 49315, South Korea.,Department of Chemical Engineering (BK21 FOUR Graduate Program), Dong-A University, Busan 49315, South Korea
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34
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Waddington MA, Zheng X, Stauber JM, Hakim Moully E, Montgomery HR, Saleh LMA, Král P, Spokoyny AM. An Organometallic Strategy for Cysteine Borylation. J Am Chem Soc 2021; 143:8661-8668. [PMID: 34060827 DOI: 10.1021/jacs.1c02206] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Synthetic bioconjugation at cysteine (Cys) residues in peptides and proteins has emerged as a powerful tool in chemistry. Soft nucleophilicity of the sulfur in Cys renders an exquisite chemoselectivity with which various functional groups can be placed onto this residue under benign conditions. While a variety of reactions have been successful at producing Cys-based bioconjugates, the majority of these feature sulfur-carbon bonds. We report Cys-borylation, wherein a benchtop stable Pt(II)-based organometallic reagent can be used to transfer a boron-rich cluster onto a sulfur moiety in unprotected peptides forging a boron-sulfur bond. Cys-borylation proceeds at room temperature and tolerates a variety of functional groups present in complex polypeptides. Further, the bioconjugation strategy can be applied to a model protein modification of Cys-containing DARPin (designed ankyrin repeat protein). The resultant bioconjugates show no additional toxicity compared to their Cys alkyl-based congeners. Finally, we demonstrate how the developed Cys-borylation can enhance the proteolytic stability of the resultant peptide bioconjugates while maintaining the binding affinity to a protein target.
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Affiliation(s)
- Mary A Waddington
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095, United States
| | - Xin Zheng
- Department of Chemistry, University of Illinois at Chicago, Chicago, Illinois 60607, United States
| | - Julia M Stauber
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095, United States
| | - Elamar Hakim Moully
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095, United States
| | - Hayden R Montgomery
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095, United States
| | - Liban M A Saleh
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095, United States
| | - Petr Král
- Department of Chemistry, University of Illinois at Chicago, Chicago, Illinois 60607, United States.,Department of Physics, University of Illinois at Chicago, Chicago, Illinois 60607, United States.,Department of Pharmaceutical Sciences, University of Illinois at Chicago, Chicago, Illinois 60612, United States
| | - Alexander M Spokoyny
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095, United States.,California NanoSystems Institute (CNSI), University of California, Los Angeles, 570 Westwood Plaza, Los Angeles, California 90095, United States
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35
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Chen Z, Zhu M, Cai M, Xu L, Weng Y. Palladium-Catalyzed C(sp 3)–H Arylation and Alkynylation of Peptides Directed by Aspartic Acid (Asp). ACS Catal 2021. [DOI: 10.1021/acscatal.1c01417] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Zhuo Chen
- College of Pharmaceutical Sciences, Zhejiang University of Technology, 310014 Hangzhou, P. R. China
| | - Meijie Zhu
- College of Pharmaceutical Sciences, Zhejiang University of Technology, 310014 Hangzhou, P. R. China
| | - Mengwei Cai
- College of Pharmaceutical Sciences, Zhejiang University of Technology, 310014 Hangzhou, P. R. China
| | - Lulu Xu
- College of Pharmaceutical Sciences, Zhejiang University of Technology, 310014 Hangzhou, P. R. China
| | - Yiyi Weng
- College of Pharmaceutical Sciences, Zhejiang University of Technology, 310014 Hangzhou, P. R. China
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36
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Kubota K, Ito H. Development of Selective Reactions Using Ball Milling. J SYN ORG CHEM JPN 2021. [DOI: 10.5059/yukigoseikyokaishi.79.492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Koji Kubota
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University
- Division of Applied Chemistry, Graduate School of Engineering, Hokkaido University
| | - Hajime Ito
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University
- Division of Applied Chemistry, Graduate School of Engineering, Hokkaido University
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37
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Ceballos J, Grinhagena E, Sangouard G, Heinis C, Waser J. Cys-Cys and Cys-Lys Stapling of Unprotected Peptides Enabled by Hypervalent Iodine Reagents. Angew Chem Int Ed Engl 2021; 60:9022-9031. [PMID: 33450121 PMCID: PMC8048981 DOI: 10.1002/anie.202014511] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 12/22/2020] [Indexed: 12/31/2022]
Abstract
Easy access to a wide range of structurally diverse stapled peptides is crucial for the development of inhibitors of protein-protein interactions. Herein, we report bis-functional hypervalent iodine reagents for two-component cysteine-cysteine and cysteine-lysine stapling yielding structurally diverse thioalkyne linkers. This stapling method works with unprotected natural amino acid residues and does not require pre-functionalization or metal catalysis. The products are stable to purification and isolation. Post-stapling modification can be accessed via amidation of an activated ester, or via cycloaddition onto the formed thioalkyne group. Increased helicity and binding affinity to MDM2 was obtained for a i,i+7 stapled peptide.
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Affiliation(s)
- Javier Ceballos
- Laboratory of Catalysis and Organic SynthesisEcole Polytechnique Fédérale de LausanneEPFL SB ISIC LCSO, BCH 14021015LausanneSwitzerland
| | - Elija Grinhagena
- Laboratory of Catalysis and Organic SynthesisEcole Polytechnique Fédérale de LausanneEPFL SB ISIC LCSO, BCH 14021015LausanneSwitzerland
| | - Gontran Sangouard
- Laboratory of Therapeutic Proteins and PeptidesEcole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LPPT, BCH 53051015LausanneSwitzerland
| | - Christian Heinis
- Laboratory of Therapeutic Proteins and PeptidesEcole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LPPT, BCH 53051015LausanneSwitzerland
| | - Jerome Waser
- Laboratory of Catalysis and Organic SynthesisEcole Polytechnique Fédérale de LausanneEPFL SB ISIC LCSO, BCH 14021015LausanneSwitzerland
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38
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Stauber JM, Rheingold AL, Spokoyny AM. Gold(III) Aryl Complexes as Reagents for Constructing Hybrid Peptide-Based Assemblies via Cysteine S-Arylation. Inorg Chem 2021; 60:5054-5062. [PMID: 33739101 PMCID: PMC8078169 DOI: 10.1021/acs.inorgchem.1c00087] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Organometallic complexes have recently gained attention as competent bioconjugation reagents capable of introducing a diverse array of substrates to biomolecule substrates. Here, we detail the synthesis and characterization of an aminophosphine-supported Au(III) platform that provides rapid and convenient access to a wide array of peptide-based assemblies via cysteine S-arylation. This strategy results in the formation of robust C-S covalent linkages and is an attractive method for the modification of complex biomolecules due to the high functional group tolerance, chemoselectivity, and rapid reaction kinetics associated with these arylation reactions. This work expands upon existing metal-mediated cysteine arylation by introducing a class of air-stable organometallic complexes that serve as robust bioconjugation reagents enabling the synthesis of conjugates of higher structural complexity including macrocyclic stapled and bicyclic peptides as well as a peptide-functionalized multivalent hybrid nanocluster. This organometallic-based approach provides a convenient, one-step method of peptide functionalization and macrocyclization, and has the potential to contribute to efforts directed toward developing efficient synthetic strategies of building new and diverse hybrid peptide-based assemblies.
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Affiliation(s)
- Julia M. Stauber
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA 90095
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA 92092
| | - Arnold L. Rheingold
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA 92092
| | - Alexander M. Spokoyny
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA 90095
- California NanoSystems Institute, University of California, Los Angeles, Los Angeles, CA 90095
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39
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Yang P, Wang X, Li B, Yang Y, Yue J, Suo Y, Tong H, He G, Lu X, Chen G. Streamlined construction of peptide macrocycles via palladium-catalyzed intramolecular S-arylation in solution and on DNA. Chem Sci 2021; 12:5804-5810. [PMID: 34168804 PMCID: PMC8179660 DOI: 10.1039/d1sc00789k] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 03/08/2021] [Indexed: 12/18/2022] Open
Abstract
A highly efficient and versatile method for construction of peptide macrocycles via palladium-catalyzed intramolecular S-arylation of alkyl and aryl thiols with aryl iodides under mild conditions is developed. The method exhibits a broad substrate scope for thiols, aryl iodides and amino acid units. Peptide macrocycles of a wide range of size and composition can be readily assembled in high yield from various easily accessible building blocks. This method has been successfully employed to prepare an 8-million-membered tetrameric cyclic peptide DNA-encoded library (DEL). Preliminary screening of the DEL library against protein p300 identified compounds with single digit micromolar inhibition activity.
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Affiliation(s)
- Peng Yang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
| | - Xuan Wang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong Shanghai 201203 China
| | - Bo Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
| | - Yixuan Yang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong Shanghai 201203 China
| | - Jinfeng Yue
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong Shanghai 201203 China
| | - Yanrui Suo
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong Shanghai 201203 China
| | - Huarong Tong
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
| | - Gang He
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
| | - Xiaojie Lu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong Shanghai 201203 China
| | - Gong Chen
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
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40
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Ceballos J, Grinhagena E, Sangouard G, Heinis C, Waser J. Cys–Cys and Cys–Lys Stapling of Unprotected Peptides Enabled by Hypervalent Iodine Reagents. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202014511] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Javier Ceballos
- Laboratory of Catalysis and Organic Synthesis Ecole Polytechnique Fédérale de Lausanne EPFL SB ISIC LCSO, BCH 1402 1015 Lausanne Switzerland
| | - Elija Grinhagena
- Laboratory of Catalysis and Organic Synthesis Ecole Polytechnique Fédérale de Lausanne EPFL SB ISIC LCSO, BCH 1402 1015 Lausanne Switzerland
| | - Gontran Sangouard
- Laboratory of Therapeutic Proteins and Peptides Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LPPT, BCH 5305 1015 Lausanne Switzerland
| | - Christian Heinis
- Laboratory of Therapeutic Proteins and Peptides Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LPPT, BCH 5305 1015 Lausanne Switzerland
| | - Jerome Waser
- Laboratory of Catalysis and Organic Synthesis Ecole Polytechnique Fédérale de Lausanne EPFL SB ISIC LCSO, BCH 1402 1015 Lausanne Switzerland
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41
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Li B, Tang H, Turlik A, Wan Z, Xue X, Li L, Yang X, Li J, He G, Houk KN, Chen G. Cooperative Stapling of Native Peptides at Lysine and Tyrosine or Arginine with Formaldehyde. Angew Chem Int Ed Engl 2021; 60:6646-6652. [DOI: 10.1002/anie.202016267] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Indexed: 12/14/2022]
Affiliation(s)
- Bo Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 China
| | - Hong Tang
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 China
| | - Aneta Turlik
- Department of Chemistry and Biochemistry University of California Los Angeles CA 90095 USA
| | - Zhao Wan
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 China
| | - Xiao‐Song Xue
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 China
- Department of Chemistry and Biochemistry University of California Los Angeles CA 90095 USA
| | - Li Li
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation Institute of Materia Medica Chinese Academy of Medical Sciences Peking Union Medical College Beijing 100050 China
| | - Xiaoxiao Yang
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation Institute of Materia Medica Chinese Academy of Medical Sciences Peking Union Medical College Beijing 100050 China
| | - Jiuyuan Li
- Asymchem Life Science Co., Ltd. TEDA Tianjin 300457 China
| | - Gang He
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 China
| | - Kendall N. Houk
- Department of Chemistry and Biochemistry University of California Los Angeles CA 90095 USA
| | - Gong Chen
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 China
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42
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Li B, Tang H, Turlik A, Wan Z, Xue X, Li L, Yang X, Li J, He G, Houk KN, Chen G. Cooperative Stapling of Native Peptides at Lysine and Tyrosine or Arginine with Formaldehyde. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202016267] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Bo Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 China
| | - Hong Tang
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 China
| | - Aneta Turlik
- Department of Chemistry and Biochemistry University of California Los Angeles CA 90095 USA
| | - Zhao Wan
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 China
| | - Xiao‐Song Xue
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 China
- Department of Chemistry and Biochemistry University of California Los Angeles CA 90095 USA
| | - Li Li
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation Institute of Materia Medica Chinese Academy of Medical Sciences Peking Union Medical College Beijing 100050 China
| | - Xiaoxiao Yang
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation Institute of Materia Medica Chinese Academy of Medical Sciences Peking Union Medical College Beijing 100050 China
| | - Jiuyuan Li
- Asymchem Life Science Co., Ltd. TEDA Tianjin 300457 China
| | - Gang He
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 China
| | - Kendall N. Houk
- Department of Chemistry and Biochemistry University of California Los Angeles CA 90095 USA
| | - Gong Chen
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 China
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43
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Destito P, Vidal C, López F, Mascareñas JL. Transition Metal‐Promoted Reactions in Aqueous Media and Biological Settings. Chemistry 2021; 27:4789-4816. [DOI: 10.1002/chem.202003927] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 09/27/2020] [Indexed: 12/19/2022]
Affiliation(s)
- Paolo Destito
- Centro Singular de Investigación en Química Biolóxica e Materiais, Moleculares (CIQUS) and Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Cristian Vidal
- Centro Singular de Investigación en Química Biolóxica e Materiais, Moleculares (CIQUS) and Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Fernando López
- Centro Singular de Investigación en Química Biolóxica e Materiais, Moleculares (CIQUS) and Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
- Instituto de Química Orgánica General (CSIC) Juan de la Cierva 3 28006 Madrid Spain
| | - José L. Mascareñas
- Centro Singular de Investigación en Química Biolóxica e Materiais, Moleculares (CIQUS) and Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
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44
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Dhanjee HH, Buslov I, Windsor IW, Raines RT, Pentelute BL, Buchwald SL. Palladium-Protein Oxidative Addition Complexes by Amine-Selective Acylation. J Am Chem Soc 2020; 142:21237-21242. [PMID: 33319995 DOI: 10.1021/jacs.0c09180] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Palladium oxidative addition complexes (OACs) are traditionally accessed by treating an aryl halide-containing substrate with a palladium(0) source. Here, a new strategy to selectively prepare stable OACs from amino groups on native proteins is presented. The approach relies on an amine-selective acylation reaction that occurs without modification of a preformed palladium(II)-aryl group. Once transferred onto a protein substrate, the palladium(II)-aryl group facilitates conjugation by undergoing reaction with a second, cysteine-containing protein. This operationally simple method is applicable to native, nonengineered enzymes as well as antibodies and is carried out in an aqueous setting and open to air. The resulting Pd-protein OACs are stable, storable reagents that retain biological activity and can be used to achieve protein-protein cross-coupling at nanomolar concentrations within hours.
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Affiliation(s)
- Heemal H Dhanjee
- Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Ivan Buslov
- Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Ian W Windsor
- Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Ronald T Raines
- Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Bradley L Pentelute
- Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Stephen L Buchwald
- Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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45
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Swierczynski MJ, Ball ZT. One-Step Protein-Polymer Conjugates from Boronic-Acid-Functionalized Polymers. Bioconjug Chem 2020; 31:2494-2498. [PMID: 33078937 DOI: 10.1021/acs.bioconjchem.0c00516] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Polymer-protein conjugates are hybrid materials with interesting and useful properties. Methods to prepare diverse diblock materials of this sort often struggle to deal with the complexity and size of reagents, and so polymer-protein conjugation represents a stringent testing ground for nontraditional bioconjugation methods, such as metal-catalyzed arylation. This work demonstrates a simple Ni2+-promoted arylation of cysteine residues with end-functionalized polymer-boronic acid reagents, and explores some molecular and physical properties possible in these hybrid structures.
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Affiliation(s)
- Michael J Swierczynski
- Department of Chemistry, Rice University, 6100 Main Street, Bioscience Research Collaborative, Houston, Texas 77005, United States
| | - Zachary T Ball
- Department of Chemistry, Rice University, 6100 Main Street, Bioscience Research Collaborative, Houston, Texas 77005, United States
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46
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Single electron transfer-based peptide/protein bioconjugations driven by biocompatible energy input. Commun Chem 2020; 3:171. [PMID: 36703459 PMCID: PMC9814624 DOI: 10.1038/s42004-020-00413-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 10/13/2020] [Indexed: 01/29/2023] Open
Abstract
Bioconjugation reactions play a central facilitating role in engendering modified peptides and proteins. Early progress in this area was inhibited by challenges such as the limited range of substrates and the relatively poor biocompatibility of bioconjugation reagents. However, the recent developments in visible-light induced photoredox catalysis and electrochemical catalysis reactions have permitted significant novel reactivities to be developed in the field of synthetic and bioconjugation chemistry. This perspective describes recent advances in the use of biocompatible energy input for the modification of peptides and proteins mainly, via the single electron transfer (SET) process, as well as key future developments in this area.
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Abstract
Abstract
Site-specific protein conjugation is a critical step in the generation of unique protein analogs for a range of basic research and therapeutic developments. Protein transformations must target a precise residue in the presence of a plethora of functional groups to obtain a well-characterized homogeneous product. Competing reactive residues on natural proteins render rapid and selective conjugation a challenging task. Organometallic reagents have recently emerged as a powerful strategy to achieve site-specific labeling of a diverse set of biopolymers, due to advances in water-soluble ligand design, high reaction rate, and selectivity. The thiophilic nature of various transition metals, especially soft metals, makes cysteine an ideal target for these reagents. The distinctive reactivity and selectivity of organometallic-based reactions, along with the unique reactivity and abundancy of cysteine within the human proteome, provide a powerful platform to modify native proteins in aqueous media. These reactions often provide the modified proteins with a stable linkage made from irreversible cross-coupling steps. Additionally, transition metal reagents have recently been applied for the decaging of cysteine residues in the context of chemical protein synthesis. Orthogonal cysteine protecting groups and functional tags are often necessary for the synthesis of challenging proteins, and organometallic reagents are powerful tools for selective, rapid, and water-compatible removal of those moieties. This review examines transition metal-based reactions of cysteine residues for the synthesis and modification of natural peptides and proteins.
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Affiliation(s)
- Muhammad Jbara
- Massachusetts Institute of Technology , Department of Chemistry , 77 Massachusetts Avenue , Cambridge , MA , 02139, USA
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48
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He W, Yan J, Li Y, Yan S, Wang S, Hou P, Lu W. Resurrecting a p53 peptide activator - An enabling nanoengineering strategy for peptide therapeutics. J Control Release 2020; 325:293-303. [PMID: 32653500 DOI: 10.1016/j.jconrel.2020.06.041] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 06/18/2020] [Accepted: 06/22/2020] [Indexed: 01/10/2023]
Abstract
Many high-affinity peptide antagonists of MDM2 and MDMX have been reported as activators of the tumor suppressor protein p53 with therapeutic potential. Unfortunately, peptide activators of p53 generally suffer poor proteolytic stability and low membrane permeability, posing a major pharmacological challenge to anticancer peptide drug development. We previously obtained several potent dodecameric peptide antagonists of MDM2 and MDMX termed PMIs, one of which, TSFAEYWALLSP, bound to MDM2 and MDMX at respective affinities of 0.49 and 2.4 nM. Here we report the development of gold nanoparticles (Np) as a membrane-traversing delivery vehicle to carry PMI for anticancer therapy. Np-PMI was substantially more active in vitro than Nutlin-3 in killing tumor cells bearing wild-type p53, and effectively inhibited tumor growth in metastasis in a mouse homograft mode of melanoma and a patient-derived xenograft model of colon cancer with a favorable safety profile. This clinically viable drug delivery strategy can be applied not only to peptide activators of p53 for cancer therapy, but also to peptide therapeutics in general aimed at targeting intracellular protein-protein interactions for disease intervention.
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Affiliation(s)
- Wangxiao He
- Institute of Human Virology, Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD 21201, USA; Department of Talent Highland, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Jin Yan
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710014, China.
| | - Yujun Li
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710014, China; Key Laboratory for Tumor Precision Medicine of Shaanxi Province, Department of Endocrinology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Siqi Yan
- Department of Talent Highland, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Simeng Wang
- Key Laboratory for Tumor Precision Medicine of Shaanxi Province, Department of Endocrinology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Peng Hou
- Key Laboratory for Tumor Precision Medicine of Shaanxi Province, Department of Endocrinology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China.
| | - Wuyuan Lu
- Institute of Human Virology, Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
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49
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Baumann AL, Schwagerus S, Broi K, Kemnitz-Hassanin K, Stieger CE, Trieloff N, Schmieder P, Hackenberger CPR. Chemically Induced Vinylphosphonothiolate Electrophiles for Thiol–Thiol Bioconjugations. J Am Chem Soc 2020; 142:9544-9552. [DOI: 10.1021/jacs.0c03426] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Alice L. Baumann
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), Robert-Rössle-Straße 10, 13125 Berlin, Germany
- Department of Chemistry, Humboldt Universität zu Berlin, Brook-Taylor-Strasse 2, 12489 Berlin, Germany
| | - Sergej Schwagerus
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), Robert-Rössle-Straße 10, 13125 Berlin, Germany
- Department of Chemistry, Humboldt Universität zu Berlin, Brook-Taylor-Strasse 2, 12489 Berlin, Germany
| | - Kevin Broi
- Department of Chemistry, Humboldt Universität zu Berlin, Brook-Taylor-Strasse 2, 12489 Berlin, Germany
| | - Kristin Kemnitz-Hassanin
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), Robert-Rössle-Straße 10, 13125 Berlin, Germany
| | - Christian E. Stieger
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), Robert-Rössle-Straße 10, 13125 Berlin, Germany
- Department of Chemistry, Humboldt Universität zu Berlin, Brook-Taylor-Strasse 2, 12489 Berlin, Germany
| | - Nils Trieloff
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), Robert-Rössle-Straße 10, 13125 Berlin, Germany
| | - Peter Schmieder
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), Robert-Rössle-Straße 10, 13125 Berlin, Germany
| | - Christian P. R. Hackenberger
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), Robert-Rössle-Straße 10, 13125 Berlin, Germany
- Department of Chemistry, Humboldt Universität zu Berlin, Brook-Taylor-Strasse 2, 12489 Berlin, Germany
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50
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Abstract
The chemistries selectively modifying recombinant proteins are valuable for the discovery and development of biologic therapeutics. We report here a Lys modification strategy that engages a Cys residue to covalently tether the reagents to the target that facilitates a proximity-driven intramolecular O-to-N acyl-transfer process yielding desired Lys-acylated products. We utilized GLP-1 as a case study, followed by desulfurization of the Cys mutation to native Ala regenerating the native sequence in a traceless fashion.
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Affiliation(s)
- David Hymel
- Novo Nordisk Research Center, 530 Fairview Avenue North, Seattle, Washington 98109, United States
| | - Fa Liu
- Novo Nordisk Research Center, 530 Fairview Avenue North, Seattle, Washington 98109, United States
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