1
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Fang Y, Hillman AS, Fox JM. Advances in the Synthesis of Bioorthogonal Reagents: s-Tetrazines, 1,2,4-Triazines, Cyclooctynes, Heterocycloheptynes, and trans-Cyclooctenes. Top Curr Chem (Cham) 2024; 382:15. [PMID: 38703255 DOI: 10.1007/s41061-024-00455-y] [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: 09/30/2023] [Accepted: 02/01/2024] [Indexed: 05/06/2024]
Abstract
Aligned with the increasing importance of bioorthogonal chemistry has been an increasing demand for more potent, affordable, multifunctional, and programmable bioorthogonal reagents. More advanced synthetic chemistry techniques, including transition-metal-catalyzed cross-coupling reactions, C-H activation, photoinduced chemistry, and continuous flow chemistry, have been employed in synthesizing novel bioorthogonal reagents for universal purposes. We discuss herein recent developments regarding the synthesis of popular bioorthogonal reagents, with a focus on s-tetrazines, 1,2,4-triazines, trans-cyclooctenes, cyclooctynes, hetero-cycloheptynes, and -trans-cycloheptenes. This review aims to summarize and discuss the most representative synthetic approaches of these reagents and their derivatives that are useful in bioorthogonal chemistry. The preparation of these molecules and their derivatives utilizes both classical approaches as well as the latest organic chemistry methodologies.
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Affiliation(s)
- Yinzhi Fang
- Department of Chemistry and Biochemistry, University of Delaware, 590 Avenue 1743, Newark, DE, 19713, USA.
| | - Ashlyn S Hillman
- Department of Chemistry and Biochemistry, University of Delaware, 590 Avenue 1743, Newark, DE, 19713, USA
| | - Joseph M Fox
- Department of Chemistry and Biochemistry, University of Delaware, 590 Avenue 1743, Newark, DE, 19713, USA.
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2
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Guo Z, Yu Q, Chen Y, Liu J, Li T, Peng Y, Yi W. Fluorine-Containing Functional Group-Based Energetic Materials. CHEM REC 2023; 23:e202300108. [PMID: 37265346 DOI: 10.1002/tcr.202300108] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 05/19/2023] [Indexed: 06/03/2023]
Abstract
Molecules featuring fluorine-containing functional groups exhibit outstanding properties with high density, low sensitivity, excellent thermal stability, and good energetic performance due to the strong electron-withdrawing ability and high density of fluorine. Hence, they play a pivotal role in the field of energetic materials. In light of current theoretical and experimental reports, this review systematically focuses on three types of energetic materials possessing fluorine-containing functional groups F- and NF2 - substituted trinitromethyl groups (C(NO2 )2 F, C(NO2 )2 NF2 ), trifluoromethyl group (CF3 ), and difluoroamino and pentafluorosulfone groups (NF2 , SF5 ) and investigates the synthetic methods, physicochemical parameters, and energetic properties of each. The incorporation of fluorine-containing functional moieties is critical for the development of novel high energy density materials, and is rapidly being adopted in the design of energetic materials.
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Affiliation(s)
- Zihao Guo
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Qiong Yu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Yucong Chen
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Jie Liu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Tao Li
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Yuhuang Peng
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Wenbin Yi
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
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3
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Gavriel K, van Doeselaar DCA, Geers DWT, Neumann K. Click'n lock: rapid exchange between unsymmetric tetrazines and thiols for reversible, chemoselective functionalisation of biomolecules with on-demand bioorthogonal locking. RSC Chem Biol 2023; 4:685-691. [PMID: 37654505 PMCID: PMC10467616 DOI: 10.1039/d3cb00062a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 07/19/2023] [Indexed: 09/02/2023] Open
Abstract
The late-stage functionalisation and diversification of complex structures including biomolecules is often achieved with the help of click chemistry. Besides employing irreversible click-like reactions, many synthetic applications benefit from reversible click reaction strategies, so called de-/trans-click approaches. Yet, the combination of both, reversible and irreversible click chemistry - while still respecting the stringent criteria of click transformations - remains so far elusive for modifications of biomolecular structures. Here, we report click'n lock as a concept that enables reversible click reactions and on-demand locking of chemical entities, thus switching from reversible to irreversible modifications of complex biomolecules. For this purpose, we employ the tetrazine-thiol exchange (TeTEx) reaction as a fully traceless click reaction with second order rate constants k2 higher than 2 M-1 s-1 within aqueous environments. Employing TeTEx as a reversible click reaction for the chemoselective modification of biomolecules is made possible by the use of 3,6-disubstituted 1,2,4,5-tetrazines bearing a single sulfide residue. The inherent reactivity of tetrazines towards inverse electron demand Diels-Alder (IEDDA) reactions allows to stabilize the clicked structure, switching from reversible to irreversible systems (click'n lock).
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Affiliation(s)
- Katerina Gavriel
- Systems Chemistry Department, Institute for Molecules and Materials, Radboud University Nijmegen Heyendaalseweg 135 6525 AJ Nijmegen The Netherlands
| | - Dustin C A van Doeselaar
- Systems Chemistry Department, Institute for Molecules and Materials, Radboud University Nijmegen Heyendaalseweg 135 6525 AJ Nijmegen The Netherlands
| | - Daniëlle W T Geers
- Systems Chemistry Department, Institute for Molecules and Materials, Radboud University Nijmegen Heyendaalseweg 135 6525 AJ Nijmegen The Netherlands
| | - Kevin Neumann
- Systems Chemistry Department, Institute for Molecules and Materials, Radboud University Nijmegen Heyendaalseweg 135 6525 AJ Nijmegen The Netherlands
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4
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Aktalay A, Lincoln R, Heynck L, Lima MADBF, Butkevich AN, Bossi ML, Hell SW. Bioorthogonal Caging-Group-Free Photoactivatable Probes for Minimal-Linkage-Error Nanoscopy. ACS CENTRAL SCIENCE 2023; 9:1581-1590. [PMID: 37637742 PMCID: PMC10450876 DOI: 10.1021/acscentsci.3c00746] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Indexed: 08/29/2023]
Abstract
Here we describe highly compact, click compatible, and photoactivatable dyes for super-resolution fluorescence microscopy (nanoscopy). By combining the photoactivatable xanthone (PaX) core with a tetrazine group, we achieve minimally sized and highly sensitive molecular dyads for the selective labeling of unnatural amino acids introduced by genetic code expansion. We exploit the excited state quenching properties of the tetrazine group to attenuate the photoactivation rates of the PaX, and further reduce the overall fluorescence emission of the photogenerated fluorophore, providing two mechanisms of selectivity to reduce the off-target signal. Coupled with MINFLUX nanoscopy, we employ our dyads in the minimal-linkage-error imaging of vimentin filaments, demonstrating molecular-scale precision in fluorophore positioning.
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Affiliation(s)
- Ayse Aktalay
- Department
of Optical Nanoscopy, Max Planck Institute
for Medical Research, Jahnstraße 29, 69120 Heidelberg, Germany
| | - Richard Lincoln
- Department
of Optical Nanoscopy, Max Planck Institute
for Medical Research, Jahnstraße 29, 69120 Heidelberg, Germany
| | - Lukas Heynck
- Department
of Optical Nanoscopy, Max Planck Institute
for Medical Research, Jahnstraße 29, 69120 Heidelberg, Germany
| | | | - Alexey N. Butkevich
- Department
of Optical Nanoscopy, Max Planck Institute
for Medical Research, Jahnstraße 29, 69120 Heidelberg, Germany
| | - Mariano L. Bossi
- Department
of NanoBiophotonics, Max Planck Institute
for Multidisciplinary Sciences, Am Fassberg 11, 37077 Göttingen, Germany
| | - Stefan W. Hell
- Department
of Optical Nanoscopy, Max Planck Institute
for Medical Research, Jahnstraße 29, 69120 Heidelberg, Germany
- Department
of NanoBiophotonics, Max Planck Institute
for Multidisciplinary Sciences, Am Fassberg 11, 37077 Göttingen, Germany
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5
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Schäfer RJB, Wilson K, Biedermann M, Moore BS, Sieber S, Wennemers H. Identification of Isonitrile-Containing Natural Products in Complex Biological Matrices through Ligation with Chlorooximes. Chemistry 2023; 29:e202203277. [PMID: 36331430 PMCID: PMC9892309 DOI: 10.1002/chem.202203277] [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: 10/20/2022] [Revised: 10/30/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022]
Abstract
Isonitrile-containing natural products have garnered attention for their manifold bioactivities but are difficult to detect and isolate due to the chemical lability of the isonitrile functional group. Here, we used the isonitrile-chlorooxime ligation (INC) in a reactivity-based screening (RBS) protocol for the detection and isolation of alkaloid and terpene isonitriles in the cyanobacterium Fischerella ambigua and a marine sponge of the order Bubarida, respectively. A trifunctional probe bearing a chlorooxime moiety, a UV active aromatic moiety, and a bromine label facilitated the chemoselective reaction with isonitriles, UV-Vis spectroscopic detection, and mass spectrometric analysis. The INC-based RBS allowed for the detection, isolation, and structural elucidation of isonitriles in microgram quantities.
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Affiliation(s)
- Rebecca J. B. Schäfer
- Laboratory of Organic Chemistry, ETH Zürich, Vladimir-Prelog-Weg 3, 8093 Zürich, Switzerland,Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA, USA
| | - Kayla Wilson
- Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA, USA
| | - Maurice Biedermann
- Laboratory of Organic Chemistry, ETH Zürich, Vladimir-Prelog-Weg 3, 8093 Zürich, Switzerland
| | - Bradley S. Moore
- Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA, USA,Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California at San Diego, La Jolla, California, 92093, United States
| | - Simon Sieber
- University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Helma Wennemers
- Laboratory of Organic Chemistry, ETH Zürich, Vladimir-Prelog-Weg 3, 8093 Zürich, Switzerland
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6
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Mao W, Chi W, He X, Wang C, Wang X, Yang H, Liu X, Wu H. Overcoming Spectral Dependence: A General Strategy for Developing Far-Red and Near-Infrared Ultra-Fluorogenic Tetrazine Bioorthogonal Probes. Angew Chem Int Ed Engl 2022; 61:e202117386. [PMID: 35167188 DOI: 10.1002/anie.202117386] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Indexed: 02/05/2023]
Abstract
Bioorthogonal fluorogenic dyes are indispensable tools in wash-free bioimaging of specific biological targets. However, the fluorogenicity of existing tetrazine-based bioorthogonal probes deteriorates as the emission wavelength shifts towards the NIR window, greatly limiting their applications in live cells and tissues. Herein, we report a generalizable molecular design strategy to construct ultra-fluorogenic dyes via a simple substitution at the meso-positions of various far-red and NIR fluorophores. Our probes demonstrate significant fluorescence turn-on ratios (102 -103 -fold) in the range 586-806 nm. These results will greatly expand the applications of bioorthogonal chemistry in NIR bioimaging and biosensing.
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Affiliation(s)
- Wuyu Mao
- Huaxi MR Research Center, Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Huaxi Research Building, 001 4th Keyuan road, 610041, Chengdu, China
| | - Weijie Chi
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, 487372, Singapore, Singapore
| | - Xinyu He
- Huaxi MR Research Center, Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Huaxi Research Building, 001 4th Keyuan road, 610041, Chengdu, China
| | - Chao Wang
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, 487372, Singapore, Singapore
| | - Xueyi Wang
- Huaxi MR Research Center, Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Huaxi Research Building, 001 4th Keyuan road, 610041, Chengdu, China
| | - Haojie Yang
- Huaxi MR Research Center, Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Huaxi Research Building, 001 4th Keyuan road, 610041, Chengdu, China
| | - Xiaogang Liu
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, 487372, Singapore, Singapore
| | - Haoxing Wu
- Huaxi MR Research Center, Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Huaxi Research Building, 001 4th Keyuan road, 610041, Chengdu, China
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7
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Roy SK, Purkait A, Shome R, Das S, Das D, Ghosh SS, Jana CK. Proline selective labeling via on-site construction of naphthoxazole (NapOx). Chem Commun (Camb) 2022; 58:5909-5912. [PMID: 35475487 DOI: 10.1039/d2cc01268e] [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
Chemoselective construction of naphthoxazoles (NapOx) via a three-component annulation reaction enables proline selective labeling of peptides in solution or in solid-phase synthesis. The fluorogenic peptides possess low cytotoxicity, efficient cell membrane permeability and excellent bioimaging potential for biomedical applications.
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Affiliation(s)
- Subhra Kanti Roy
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039, India.
| | - Anisha Purkait
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039, India.
| | - Rajib Shome
- Department of Biosciences and Engineering, Indian Institute of Technology Guwahati, 781039, India
| | - Saurav Das
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039, India.
| | - Debapratim Das
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039, India.
| | - Siddhartha Sankar Ghosh
- Department of Biosciences and Engineering, Indian Institute of Technology Guwahati, 781039, India
| | - Chandan K Jana
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039, India.
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8
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Ros E, Bellido M, Matarin JA, Gallen A, Martínez M, Rodríguez L, Verdaguer X, Ribas de Pouplana L, Riera A. Amino acids with fluorescent tetrazine ethers as bioorthogonal handles for peptide modification. RSC Adv 2022; 12:14321-14327. [PMID: 35702248 PMCID: PMC9096626 DOI: 10.1039/d2ra02531k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 05/05/2022] [Indexed: 11/21/2022] Open
Abstract
A set of 3-bromo-1,2,4,5-tetrazines with three distinct substitutions have been used as reagents for late-stage functionalization of small molecules through nucleophilic aromatic substitution. Spectroscopic studies of the products obtained proved that tetrazine ethers are intrinsically fluorescent. This fluorescence is lost upon inverse Electron-Demand Diels–Alder (iEDDA) cycloaddition with strained alkenes. Tetrazine-phenol ethers are rather interesting because they can undergo rapid iEDDA reactions with a second order rate constant (k2) compatible with bioorthogonal ligations. As a showcase, l-tyrosine was derivatized with 3-bromo-6-methyl-1,2,4,5-tetrazine and coupled to the peptide drug octreotide. This peptide was detected in cellular flow cytometry, and its fluorescence turned off through a bioorthogonal iEDDA cycloaddition with a strained alkene, showing for the first time the detection and reactivity of intrinsically fluorescent tetrazines in a biologically relevant context. The synthesis and characterization of fluorescent tetrazine ethers with bioorthogonal applicability pave the way for the generation of useful compounds for both detection and bioconjugation in vivo. Octreotide derivatized with the fluorogenic amino acid 6-methyltetratrazinyl tryosine. Emission spectra before and after the iEDDA cycloaddition.![]()
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Affiliation(s)
- Enric Ros
- Institute for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology Baldiri Reixac 10 08028 Barcelona Spain
| | - Marina Bellido
- Institute for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology Baldiri Reixac 10 08028 Barcelona Spain
| | - Joan A Matarin
- Institute for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology Baldiri Reixac 10 08028 Barcelona Spain .,BCN Peptides S.A., Pol. Ind. Els Vinyets-Els Fogars Sector II, Ctra. Comarcal 244, Km. 22, 08777 Sant Quintí de Mediona Barcelona Spain
| | - Albert Gallen
- Departament de Química Inorgànica i Orgànica, Secció Química Inorgànica. Universitat de Barcelona Martí i Franquès 1 08028 Barcelona Spain
| | - Manuel Martínez
- Departament de Química Inorgànica i Orgànica, Secció Química Inorgànica. Universitat de Barcelona Martí i Franquès 1 08028 Barcelona Spain.,Institut de Nanociència i Nanotecnologia (IN2UB), Universitat de Barcelona 08028. Barcelona Spain
| | - Laura Rodríguez
- Departament de Química Inorgànica i Orgànica, Secció Química Inorgànica. Universitat de Barcelona Martí i Franquès 1 08028 Barcelona Spain.,Institut de Nanociència i Nanotecnologia (IN2UB), Universitat de Barcelona 08028. Barcelona Spain
| | - Xavier Verdaguer
- Institute for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology Baldiri Reixac 10 08028 Barcelona Spain .,Departament de Química Inorgànica i Orgànica, Secció Química Orgànica. Universitat de Barcelona Martí i Franquès 1 08028 Barcelona Spain
| | - Lluís Ribas de Pouplana
- Institute for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology Baldiri Reixac 10 08028 Barcelona Spain .,Institució Catalana de Recerca i Estudis Avançats (ICREA), Passeig Lluís Companys 23 08010 Barcelona Spain
| | - Antoni Riera
- Institute for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology Baldiri Reixac 10 08028 Barcelona Spain .,Departament de Química Inorgànica i Orgànica, Secció Química Orgànica. Universitat de Barcelona Martí i Franquès 1 08028 Barcelona Spain
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9
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Perretti MD, Pérez-Pérez Y, Soler-Carracedo K, Martín-Encinas E, Alonso C, Scoccia J, Carrillo R. Hydrogen sulphide-triggered theranostic prodrugs based on the dynamic chemistry of tetrazines. Chem Commun (Camb) 2022; 58:5518-5521. [PMID: 35420098 DOI: 10.1039/d2cc01170k] [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
Dynamic nucleophilic aromatic substitution of tetrazines (SNTz) has been employed to build theranostic prodrugs that are activated by hydrogen sulfide. H2S is typically found in high concentrations in some kinds of cancer cells and it is able to trigger the disassembly of tetrazine prodrugs. In such a way, a dual release of drugs and/or fluorescent compounds can be selectively triggered.
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Affiliation(s)
- Marcelle D Perretti
- Instituto de Productos Naturales y Agrobiología (IPNA-CSIC), Avenida Astrofísico Francisco Sánchez 3, 38206, La Laguna, Spain. .,Instituto Universitario de Bio-Orgánica "Antonio González", Universidad de La Laguna, Avenida Astrofísico Francisco Sánchez 2, P.O. Box 456, 38200, La Laguna, Spain.
| | - Yaiza Pérez-Pérez
- Instituto de Productos Naturales y Agrobiología (IPNA-CSIC), Avenida Astrofísico Francisco Sánchez 3, 38206, La Laguna, Spain.
| | - Kevin Soler-Carracedo
- Departamento de Física, Universidad de La Laguna, Apdo. 456, E-38200, San Cristóbal de La Laguna, Santa Cruz de Tenerife, Spain
| | - Endika Martín-Encinas
- Department of Organic Chemistry I, Faculty of Pharmacy and Lascaray Research Center, University of Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain.
| | - Concepción Alonso
- Department of Organic Chemistry I, Faculty of Pharmacy and Lascaray Research Center, University of Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain.
| | - Jimena Scoccia
- Instituto Universitario de Bio-Orgánica "Antonio González", Universidad de La Laguna, Avenida Astrofísico Francisco Sánchez 2, P.O. Box 456, 38200, La Laguna, Spain.
| | - Romen Carrillo
- Instituto de Productos Naturales y Agrobiología (IPNA-CSIC), Avenida Astrofísico Francisco Sánchez 3, 38206, La Laguna, Spain. .,Instituto Universitario de Bio-Orgánica "Antonio González", Universidad de La Laguna, Avenida Astrofísico Francisco Sánchez 2, P.O. Box 456, 38200, La Laguna, Spain.
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10
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Mao W, Chi W, He X, Wang C, Wang X, Yang H, Liu X, Wu H. Overcoming Spectral Dependence: A General Strategy for Developing Far‐Red and Near‐Infrared Ultra‐Fluorogenic Tetrazine Bioorthogonal Probes. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202117386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Wuyu Mao
- Huaxi MR Research Center Department of Radiology Functional and Molecular Imaging Key Laboratory of Sichuan Province Frontiers Science Center for Disease-related Molecular Network National Clinical Research Center for Geriatrics West China Hospital Sichuan University Huaxi Research Building, 001 4th Keyuan road 610041 Chengdu China
| | - Weijie Chi
- Fluorescence Research Group Singapore University of Technology and Design 8 Somapah Road 487372 Singapore Singapore
| | - Xinyu He
- Huaxi MR Research Center Department of Radiology Functional and Molecular Imaging Key Laboratory of Sichuan Province Frontiers Science Center for Disease-related Molecular Network National Clinical Research Center for Geriatrics West China Hospital Sichuan University Huaxi Research Building, 001 4th Keyuan road 610041 Chengdu China
| | - Chao Wang
- Fluorescence Research Group Singapore University of Technology and Design 8 Somapah Road 487372 Singapore Singapore
| | - Xueyi Wang
- Huaxi MR Research Center Department of Radiology Functional and Molecular Imaging Key Laboratory of Sichuan Province Frontiers Science Center for Disease-related Molecular Network National Clinical Research Center for Geriatrics West China Hospital Sichuan University Huaxi Research Building, 001 4th Keyuan road 610041 Chengdu China
| | - Haojie Yang
- Huaxi MR Research Center Department of Radiology Functional and Molecular Imaging Key Laboratory of Sichuan Province Frontiers Science Center for Disease-related Molecular Network National Clinical Research Center for Geriatrics West China Hospital Sichuan University Huaxi Research Building, 001 4th Keyuan road 610041 Chengdu China
| | - Xiaogang Liu
- Fluorescence Research Group Singapore University of Technology and Design 8 Somapah Road 487372 Singapore Singapore
| | - Haoxing Wu
- Huaxi MR Research Center Department of Radiology Functional and Molecular Imaging Key Laboratory of Sichuan Province Frontiers Science Center for Disease-related Molecular Network National Clinical Research Center for Geriatrics West China Hospital Sichuan University Huaxi Research Building, 001 4th Keyuan road 610041 Chengdu China
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11
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Schnierle M, Winkler M, Filippou V, van Slageren J, Ringenberg M. (Spectro)Electrochemistry of 3‐(Pyrid‐2‐yl)‐s‐Tetrazine‐ or 1,2‐(dihydro)pyridazine Tricarbonylrhenium(I)chloride. Eur J Inorg Chem 2022. [DOI: 10.1002/ejic.202100998] [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)
- Marc Schnierle
- University of Stuttgart Faculty of Chemistry: Universitat Stuttgart Fakultat 3 Chemie Institut für Anorganische Chemie GERMANY
| | - Mario Winkler
- Universität Stuttgart Fakultät 3 Chemie: Universitat Stuttgart Fakultat 3 Chemie Institut für Physikalische Chemie GERMANY
| | - Vasileios Filippou
- Universität Stuttgart Fakultät 3 Chemie: Universitat Stuttgart Fakultat 3 Chemie Institut für Anorganische Chemie GERMANY
| | - Joris van Slageren
- Universität Stuttgart Fakultät 3 Chemie: Universitat Stuttgart Fakultat 3 Chemie Institut für Physikalische Chemie GERMANY
| | - Mark Ringenberg
- Universität Stuttgart Institute für Anorganische Chemie Pfaffenwaldring 55 70569 Stuttgart GERMANY
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12
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Sun H, Xue Q, Zhang C, Wu H, Feng P. Derivatization based on tetrazine scaffolds: synthesis of tetrazine derivatives and their biomedical applications. Org Chem Front 2022. [DOI: 10.1039/d1qo01324f] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The recent advances in tetrazine scaffold-based derivatizations have been summarized. The advantages and limitations of derivatization methods and applications of the developed tetrazine derivatives in bioorthogonal chemistry have been highlighted.
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Affiliation(s)
- Hongbao Sun
- Huaxi MR Research Center (HMRRC), Department of Radiology, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Qinghe Xue
- Huaxi MR Research Center (HMRRC), Department of Radiology, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Chang Zhang
- Huaxi MR Research Center (HMRRC), Department of Radiology, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Haoxing Wu
- Huaxi MR Research Center (HMRRC), Department of Radiology, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Ping Feng
- Clinical Trial Center, West China Hospital of Sichuan University, Chengdu 610041, China
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13
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Meineke B, Heimgärtner J, Craig AJ, Landreh M, Moodie LWK, Elsässer SJ. A Genetically Encoded Picolyl Azide for Improved Live Cell Copper Click Labeling. Front Chem 2021; 9:768535. [PMID: 34858945 PMCID: PMC8632528 DOI: 10.3389/fchem.2021.768535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 10/13/2021] [Indexed: 11/13/2022] Open
Abstract
Bioorthogonal chemistry allows rapid and highly selective reactivity in biological environments. The copper-catalyzed azide–alkyne cycloaddition (CuAAC) is a classic bioorthogonal reaction routinely used to modify azides or alkynes that have been introduced into biomolecules. Amber suppression is an efficient method for incorporating such chemical handles into proteins on the ribosome, in which noncanonical amino acids (ncAAs) are site specifically introduced into the polypeptide in response to an amber (UAG) stop codon. A variety of ncAA structures containing azides or alkynes have been proven useful for performing CuAAC chemistry on proteins. To improve CuAAC efficiency, biologically incorporated alkyne groups can be reacted with azide substrates that contain copper-chelating groups. However, the direct incorporation of copper-chelating azides into proteins has not been explored. To remedy this, we prepared the ncAA paz-lysine (PazK), which contains a picolyl azide motif. We show that PazK is efficiently incorporated into proteins by amber suppression in mammalian cells. Furthermore, PazK-labeled proteins show improved reactivity with alkyne reagents in CuAAC.
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Affiliation(s)
- Birthe Meineke
- Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Division of Genome Biology, Karolinska Institutet, Stockholm, Sweden.,Ming Wai Lau Centre for Reparative Medicine, Stockholm Node, Karolinska Institutet, Stockholm, Sweden
| | - Johannes Heimgärtner
- Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Division of Genome Biology, Karolinska Institutet, Stockholm, Sweden.,Ming Wai Lau Centre for Reparative Medicine, Stockholm Node, Karolinska Institutet, Stockholm, Sweden
| | - Alexander J Craig
- Drug Design and Discovery, Department of Medicinal Chemistry, Biomedical Centre, Uppsala University, Uppsala, Sweden
| | - Michael Landreh
- Department of Microbiology, Tumor and Cell Biology, Science for Life Laboratory, Karolinska Institutet, Stockholm, Sweden
| | - Lindon W K Moodie
- Drug Design and Discovery, Department of Medicinal Chemistry, Biomedical Centre, Uppsala University, Uppsala, Sweden.,Uppsala Antibiotic Centre, Uppsala University, Uppsala, Sweden
| | - Simon J Elsässer
- Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Division of Genome Biology, Karolinska Institutet, Stockholm, Sweden.,Ming Wai Lau Centre for Reparative Medicine, Stockholm Node, Karolinska Institutet, Stockholm, Sweden
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14
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Synthesis of Cu-Porphyrazines by Annulated Diazepine Rings with Electrochemical, Conductance Activities and Computational Studies. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-02122-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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15
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Bubyrev A, Adamchik M, Dar'in D, Kantin G, Krasavin M. Metal-free Three-Component Synthesis of 1,2,3-Triazoline-4-sulfonamides. J Org Chem 2021; 86:13454-13464. [PMID: 34515479 DOI: 10.1021/acs.joc.1c01552] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A new type of diazo compounds, namely, CH-diazomethane sulfonamides (generated in situ from readily available α-acetyl-α-diazomethane sulfonamides), was employed in a 1,3-dipolar cycloaddition reaction with imines (also formed in situ from primary amines and aldehydes). The reaction gave hitherto undescribed 1,5-disubstituted 1,2,3-triazoline-4-sulfonamides, which were obtained in good to excellent yields with complete trans diastereoselectivity. These new sulfonamides based on the nonaromatic 1,2,3-triazoline core are rather attractive from a medicinal chemistry standpoint in light of the strong emphasis recently put on the nonflat, more saturated (higher Fsp3) scaffolds for lead-generation libraries. The oxidative aromatization of 1,2,3-triazoline-4-sulfonamides by manganese(IV) oxide gave nearly quantitative yields of 1,2,3-triazole-4-sulfonamides, of which only two examples have been reported in the literature.
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Affiliation(s)
- Andrey Bubyrev
- Saint Petersburg State University, Saint Petersburg 199034, Russian Federation
| | - Maria Adamchik
- Saint Petersburg State University, Saint Petersburg 199034, Russian Federation
| | - Dmitry Dar'in
- Saint Petersburg State University, Saint Petersburg 199034, Russian Federation
| | - Grigory Kantin
- Saint Petersburg State University, Saint Petersburg 199034, Russian Federation
| | - Mikhail Krasavin
- Saint Petersburg State University, Saint Petersburg 199034, Russian Federation
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16
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Schnell SD, González JA, Sklyaruk J, Linden A, Gademann K. Boron Trifluoride-Mediated Cycloaddition of 3-Bromotetrazine and Silyl Enol Ethers: Synthesis of 3-Bromo-pyridazines. J Org Chem 2021; 86:12008-12023. [PMID: 34342995 DOI: 10.1021/acs.joc.1c01384] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Pyridazines are important scaffolds for medicinal chemistry or crop protection agents, yet the selective preparation of 3-bromo-pyridazines with high regiocontrol remains difficult. We achieved the Lewis acid-mediated inverse electron demand Diels-Alder reaction between 3-monosubstituted s-tetrazine and silyl enol ethers and obtained functionalized pyridazines. In the case of 1-monosubstituted silyl enol ethers, exclusive regioselectivity was observed. Downstream functionalization of the resulting 3-bromo-pyridazines was demonstrated utilizing several cross-coupling protocols to synthesize 3,4-disubstituted pyridazines with excellent control over the substitution pattern.
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Affiliation(s)
- Simon D Schnell
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Jorge A González
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Jan Sklyaruk
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Anthony Linden
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Karl Gademann
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
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17
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Hoff LV, Schnell SD, Tomio A, Linden A, Gademann K. Cross-Coupling Reactions of Monosubstituted Tetrazines. Org Lett 2021; 23:5689-5692. [PMID: 34291632 DOI: 10.1021/acs.orglett.1c01813] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A Ag-mediated Pd-catalyzed cross-coupling method for 3-bromo-1,2,4,5-tetrazine with boronic acids is presented. Electronic modification of the 1,1'-bis(diphenylphosphine)ferrocene (dppf) ligand was found to be crucial for good turnover. Using this fast method, a variety of alkyl-, heteroatom-, and halide-substituted aryl- and heteroaryl-tetrazines were prepared (29 examples, up to 87% yield).
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Affiliation(s)
- Lukas V Hoff
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Simon D Schnell
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Andrea Tomio
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Anthony Linden
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Karl Gademann
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
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18
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Hu G, Zhong M, Zhao J, Gao H, Gan L, Zhang H, Zhang S, Fang J. Fluorescent Probes for Imaging Protein Disulfides in Live Organisms. ACS Sens 2021; 6:1384-1391. [PMID: 33721991 DOI: 10.1021/acssensors.1c00049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Cellular redox homeostasis is predominantly controlled by the ratio of thiols and disulfides, and reversible thiol-disulfide exchange reactions are fundamental of the biological redox regulation. However, due to the dynamic exchanges of thiols and disulfides, the detection, especially the in situ detection, of protein disulfides (PDS) is challenging. We employ the strategy, i.e., the increase of emission upon an environment-sensitive dye binding to proteins, to design PDS probes and discover a two-photon probe PDSTP590 (S6) that selectively recognizes PDS in live organisms. With the aid of the probe, we further disclose the elevation of PDS in brains of the mouse stroke model.
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Affiliation(s)
- Guodong Hu
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Miao Zhong
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Jintao Zhao
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Hao Gao
- Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Lu Gan
- Department of Heavy Ion Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Road, Lanzhou 730000, China
| | - Hong Zhang
- Department of Heavy Ion Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Road, Lanzhou 730000, China
| | - Shengxiang Zhang
- Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Jianguo Fang
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
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19
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Schnell SD, Schilling M, Sklyaruk J, Linden A, Luber S, Gademann K. Nucleophilic Attack on Nitrogen in Tetrazines by Silyl-Enol Ethers. Org Lett 2021; 23:2426-2430. [PMID: 33703907 DOI: 10.1021/acs.orglett.0c04113] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The nucleophilic addition of silyl-enol ethers to nitrogen in 3-monosubstituted s-tetrazines mediated by BF3 is reported. The preference for this azaphilic addition over the usually observed inverse electron demand Diels-Alder reactions was evaluated theoretically and corroborated by experiments. The substrate dependency of this unusual reaction was rationalized by determination of the activation barriers and on the basis of the activation strain model by employing density functional theory.
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Affiliation(s)
- Simon D Schnell
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Mauro Schilling
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Jan Sklyaruk
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Anthony Linden
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Sandra Luber
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Karl Gademann
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
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20
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Maegawa K, Tanimoto H, Onishi S, Tomohiro T, Morimoto T, Kakiuchi K. Taming the reactivity of alkyl azides by intramolecular hydrogen bonding: site-selective conjugation of unhindered diazides. Org Chem Front 2021. [DOI: 10.1039/d1qo01088c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The intramolecular hydrogen bonding in the α-azido secondary acetamides (α-AzSAs) enabled site-selective integration onto the diazide modular hubs even without steric hindrance.
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Affiliation(s)
- Koshiro Maegawa
- Division of Materials Science, Nara Institute of Science and Technology (NAIST), 8916-5 Takayamacho, Ikoma, Nara 630-0192, Japan
| | - Hiroki Tanimoto
- Division of Materials Science, Nara Institute of Science and Technology (NAIST), 8916-5 Takayamacho, Ikoma, Nara 630-0192, Japan
- Faculty of Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Seiji Onishi
- Division of Materials Science, Nara Institute of Science and Technology (NAIST), 8916-5 Takayamacho, Ikoma, Nara 630-0192, Japan
| | - Takenori Tomohiro
- Faculty of Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Tsumoru Morimoto
- Division of Materials Science, Nara Institute of Science and Technology (NAIST), 8916-5 Takayamacho, Ikoma, Nara 630-0192, Japan
| | - Kiyomi Kakiuchi
- Division of Materials Science, Nara Institute of Science and Technology (NAIST), 8916-5 Takayamacho, Ikoma, Nara 630-0192, Japan
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21
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Dorst A, Berg R, Gertzen CGW, Schäfle D, Zerbe K, Gwerder M, Schnell SD, Sander P, Gohlke H, Gademann K. Semisynthetic Analogs of the Antibiotic Fidaxomicin-Design, Synthesis, and Biological Evaluation. ACS Med Chem Lett 2020; 11:2414-2420. [PMID: 33329763 PMCID: PMC7734799 DOI: 10.1021/acsmedchemlett.0c00381] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 10/01/2020] [Indexed: 01/06/2023] Open
Abstract
The glycoslated macrocyclic antibiotic fidaxomicin (1, tiacumicin B, lipiarmycin A3) displays good to excellent activity against Gram-positive bacteria and was approved for the treatment of Clostridium difficile infections (CDI). Among the main limitations for this compound, its low water solubility impacts further clinical uses. We report on the synthesis of new fidaxomicin derivatives based on structural design and utilizing an operationally simple one-step protecting group-free preparative approach from the natural product. An increase in solubility of up to 25-fold with largely retained activity was observed. Furthermore, hybrid antibiotics were prepared that show improved antibiotic activities.
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Affiliation(s)
- Andrea Dorst
- Department
of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zürich, Switzerland
| | - Regina Berg
- Department
of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zürich, Switzerland
| | - Christoph G. W. Gertzen
- Institute
for Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Universitätsstrasse 1, 40225 Düsseldorf
and John von Neumann Institute for Computing (NIC), Institute of Biological
Information Processing (IBI-7: Structural Biochemistry) & Jülich
Supercomputing Centre (JSC), Forschungszentrum Jülich, 40225 Düsseldorf, Germany
| | - Daniel Schäfle
- Institute
of Medical Microbiology, University of Zurich, Gloriastrasse 28/30, 8006 Zurich, Switzerland
| | - Katja Zerbe
- Department
of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zürich, Switzerland
| | - Myriam Gwerder
- Department
of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zürich, Switzerland
| | - Simon D. Schnell
- Department
of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zürich, Switzerland
| | - Peter Sander
- Institute
of Medical Microbiology, University of Zurich, Gloriastrasse 28/30, 8006 Zurich, Switzerland
- National
Center for Mycobacteria, University of Zurich, Gloriastrasse 28/30, 8006 Zurich, Switzerland
| | - Holger Gohlke
- Institute
for Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Universitätsstrasse 1, 40225 Düsseldorf
and John von Neumann Institute for Computing (NIC), Institute of Biological
Information Processing (IBI-7: Structural Biochemistry) & Jülich
Supercomputing Centre (JSC), Forschungszentrum Jülich, 40225 Düsseldorf, Germany
| | - Karl Gademann
- Department
of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zürich, Switzerland
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22
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Xie Y, Fang Y, Huang Z, Tallon AM, am Ende CW, Fox JM. Divergent Synthesis of Monosubstituted and Unsymmetrical 3,6‐Disubstituted Tetrazines from Carboxylic Ester Precursors. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202005569] [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)
- Yixin Xie
- Department of Chemistry and Biochemistry University of Delaware Newark DE 19716 USA
| | - Yinzhi Fang
- Department of Chemistry and Biochemistry University of Delaware Newark DE 19716 USA
| | - Zhen Huang
- Pfizer Worldwide Research and Development 1 Portland Street Cambridge MA 02139 USA
| | - Amanda M. Tallon
- Department of Chemistry and Biochemistry University of Delaware Newark DE 19716 USA
| | | | - Joseph M. Fox
- Department of Chemistry and Biochemistry University of Delaware Newark DE 19716 USA
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23
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Xie Y, Fang Y, Huang Z, Tallon AM, Am Ende CW, Fox JM. Divergent Synthesis of Monosubstituted and Unsymmetrical 3,6-Disubstituted Tetrazines from Carboxylic Ester Precursors. Angew Chem Int Ed Engl 2020; 59:16967-16973. [PMID: 32559350 PMCID: PMC7733736 DOI: 10.1002/anie.202005569] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 06/02/2020] [Indexed: 11/06/2022]
Abstract
Since tetrazines are important tools to the field of bioorthogonal chemistry, there is a need for new approaches to synthesize unsymmetrical and 3-monosubstituted tetrazines. Described here is a general, one-pot method for converting (3-methyloxetan-3-yl)methyl carboxylic esters into 3-thiomethyltetrazines. These versatile intermediates were applied to the synthesis of unsymmetrical tetrazines through Pd-catalyzed cross-coupling and in the first catalytic thioether reduction to access monosubstituted tetrazines. This method enables the development of new tetrazine compounds possessing a favorable combination of kinetics, small size, and hydrophilicity. It was applied to a broad range of aliphatic and aromatic ester precursors and to the synthesis of heterocycles including BODIPY fluorophores and biotin. In addition, a series of tetrazine probes for monoacylglycerol lipase (MAGL) were synthesized and the most reactive one was applied to the labeling of endogenous MAGL in live cells.
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Affiliation(s)
- Yixin Xie
- Department of Chemistry and Biochemistry, University of Delaware, Newark, DE, 19716, USA
| | - Yinzhi Fang
- Department of Chemistry and Biochemistry, University of Delaware, Newark, DE, 19716, USA
| | - Zhen Huang
- Pfizer Worldwide Research and Development, 1 Portland Street, Cambridge, MA, 02139, USA
| | - Amanda M Tallon
- Department of Chemistry and Biochemistry, University of Delaware, Newark, DE, 19716, USA
| | - Christopher W Am Ende
- Pfizer Worldwide Research and Development, Eastern Point Road, Groton, CT, 06340, USA
| | - Joseph M Fox
- Department of Chemistry and Biochemistry, University of Delaware, Newark, DE, 19716, USA
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