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Baily P, Del Castillo HP, Vinales I, Urbay JEM, Paez A, Weaver MR, Iturralde R, Estevao IL, Jankuru SR, Almeida IC, Li C, Dirk CW, Michael K. Synthesis and Photoreactivity of 7-Nitroindoline- S-thiocarbamates. ACS OMEGA 2023; 8:9486-9498. [PMID: 36936343 PMCID: PMC10018502 DOI: 10.1021/acsomega.2c08184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Accepted: 01/25/2023] [Indexed: 06/18/2023]
Abstract
The photolytic properties of N-acyl-7-nitroindolines make these compounds attractive as photocleavable protecting groups and "caged" compounds for the light-induced release ("uncaging") of biologically active compounds and as acylating reagents under neutral conditions. However, the synthesis of N-acyl-7-nitroindolines usually requires multiple steps, and the direct acylation of 7-nitroindolines can be quite challenging. 7-Nitroindolines with other types of N-carbonyl-containing groups may also be photoreactive and could potentially be better accessible. Here we demonstrate the short and efficient synthesis of 5-bromo-7-nitroindoline-S-thiocarbamates, a new class of photoreactive compounds, and the study of some of their photochemical and photophysical properties. Using 5-bromo-7-nitroindoline-S-ethylthiocarbamate as a model compound, we show that it can undergo one-photon and two-photon photolysis at 350 and 710 nm, respectively. Our experimental data and quantum chemistry calculations support a photolysis pathway that differs from photolysis pathways previously reported for N-acyl-7-nitroindolines. The photolysis with 350 nm light results in 5-bromo-7-nitrosoindoline, which is in equilibrium with its dimeric form(s), as supported by experiment and theory. This study expands the scope of photoreactive 7-nitroindoline derivatives and informs the development of novel photocleavable compounds.
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Affiliation(s)
- Philip
T. Baily
- Department
of Chemistry and Biochemistry, University
of Texas at El Paso, El Paso, Texas 79968, United States
| | - H. Patricio Del Castillo
- Department
of Chemistry and Biochemistry, University
of Texas at El Paso, El Paso, Texas 79968, United States
| | - Irodiel Vinales
- Department
of Chemistry and Biochemistry, University
of Texas at El Paso, El Paso, Texas 79968, United States
| | - Juan E. M. Urbay
- Department
of Chemistry and Biochemistry, University
of Texas at El Paso, El Paso, Texas 79968, United States
| | - Aurelio Paez
- Department
of Metallurgical, Materials and Biomedical Engineering, University of Texas at El Paso, El Paso, Texas 79968, United States
| | - Matthew R. Weaver
- Department
of Physics, University of Texas at El Paso, El Paso, Texas 79968, United States
| | - Roberto Iturralde
- Department
of Physics, University of Texas at El Paso, El Paso, Texas 79968, United States
| | - Igor L. Estevao
- Department
of Biological Sciences, University of Texas
at El Paso, El Paso, Texas 79968, United
States
| | - Sohan R. Jankuru
- Department
of Chemistry and Biochemistry, University
of Texas at El Paso, El Paso, Texas 79968, United States
| | - Igor C. Almeida
- Department
of Biological Sciences, University of Texas
at El Paso, El Paso, Texas 79968, United
States
| | - Chunqiang Li
- Department
of Physics, University of Texas at El Paso, El Paso, Texas 79968, United States
| | - Carl W. Dirk
- Department
of Chemistry and Biochemistry, University
of Texas at El Paso, El Paso, Texas 79968, United States
| | - Katja Michael
- Department
of Chemistry and Biochemistry, University
of Texas at El Paso, El Paso, Texas 79968, United States
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Agouridas V, El Mahdi O, Diemer V, Cargoët M, Monbaliu JCM, Melnyk O. Native Chemical Ligation and Extended Methods: Mechanisms, Catalysis, Scope, and Limitations. Chem Rev 2019; 119:7328-7443. [DOI: 10.1021/acs.chemrev.8b00712] [Citation(s) in RCA: 243] [Impact Index Per Article: 48.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Vangelis Agouridas
- UMR CNRS 8204, Centre d’Immunité et d’Infection de Lille, University of Lille, CNRS, Institut Pasteur de Lille, F-59000 Lille, France
| | - Ouafâa El Mahdi
- Faculté Polydisciplinaire de Taza, University Sidi Mohamed Ben Abdellah, BP 1223 Taza Gare, Morocco
| | - Vincent Diemer
- UMR CNRS 8204, Centre d’Immunité et d’Infection de Lille, University of Lille, CNRS, Institut Pasteur de Lille, F-59000 Lille, France
| | - Marine Cargoët
- UMR CNRS 8204, Centre d’Immunité et d’Infection de Lille, University of Lille, CNRS, Institut Pasteur de Lille, F-59000 Lille, France
| | - Jean-Christophe M. Monbaliu
- Center for Integrated Technology and Organic Synthesis, Department of Chemistry, University of Liège, Building B6a, Room 3/16a, Sart-Tilman, B-4000 Liège, Belgium
| | - Oleg Melnyk
- UMR CNRS 8204, Centre d’Immunité et d’Infection de Lille, University of Lille, CNRS, Institut Pasteur de Lille, F-59000 Lille, France
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Ohara T, Kaneda M, Saito T, Fujii N, Ohno H, Oishi S. Head-to-tail macrocyclization of cysteine-free peptides using an o -aminoanilide linker. Bioorg Med Chem Lett 2018; 28:1283-1286. [DOI: 10.1016/j.bmcl.2018.03.027] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 03/06/2018] [Accepted: 03/11/2018] [Indexed: 11/28/2022]
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Ornelas A, Williams KN, Hatch KA, Paez A, Aguilar AC, Ellis CC, Tasnim N, Ray S, Dirk CW, Boland T, Joddar B, Li C, Michael K. Synthesis and characterization of a photocleavable collagen-like peptide. Org Biomol Chem 2018; 16:1000-1013. [PMID: 29345707 PMCID: PMC5951682 DOI: 10.1039/c7ob02198d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A 34-amino acid long collagen-like peptide rich in proline, hydroxyproline, and glycine, and with four photoreactive N-acyl-7-nitroindoline units incorporated into the peptide backbone was synthesized by on-resin fragment condensation. Its circular dichroism supports a stable triple helix structure. The built-in photochemical function enables the decomposition of the peptide into small peptide fragments by illumination with UV light of 350 nm in aqueous solution. Illumination of a thin film of the peptide, or a thin film of a photoreactive amino acid model compound containing a 5-bromo-7-nitroindoline moiety, with femtosecond laser light at 710 nm allows for the creation of well-resolved micropatterns. The cytocompatibility of the peptide was demonstrated using human mesenchymal stem cells and mouse embryonic fibroblasts. Our data show that the full-length peptide is cytocompatible as it can support cell growth and maintain cell viability. In contrast, the small peptide fragments created by photolysis are somewhat cytotoxic and therefore less cytocompatible. These data suggest that biomimetic collagen-like photoreactive peptides could potentially be used for growing cells in 2D micropatterns based on patterns generated by photolysis prior to cell growth.
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Affiliation(s)
- Alfredo Ornelas
- Department of Chemistry and Biochemistry, The University of Texas at El Paso, 500 West University Avenue, El Paso, TX 79968, USA
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5
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Recent advances in the preparation of Fmoc-SPPS-based peptide thioester and its surrogates for NCL-type reactions. Sci China Chem 2016. [DOI: 10.1007/s11426-016-0381-1] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Modern tools for the chemical ligation and synthesis of modified peptides and proteins. Future Med Chem 2016; 8:2287-2304. [DOI: 10.4155/fmc-2016-0175] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The ability to improve nature's capacity by introducing modification of biological interest in proteins and peptides (P&P) is one of the modern challenges in synthetic chemistry. Due to the unfavorable pharmacokinetic properties, many native P&P are of little use as therapeutic agents. Today, few methods for the preparation of modified proteins are available. Initially introduced to realize the ligation between two standard peptidic sequences, and hence to afford native proteins, the modern chemical methodologies, in other words native chemical ligation, expressed ligation, Staudinger ligation, auxiliary mediated ligation, aldehyde capture, etc., can be virtually utilized to ligate a variety of peptidomimetic partners, allowing a systematic access to modified, unnatural large P&P.
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Tsuda S, Mochizuki M, Sakamoto K, Denda M, Nishio H, Otaka A, Yoshiya T. N-Sulfanylethylaminooxybutyramide (SEAoxy): A Crypto-Thioester Compatible with Fmoc Solid-Phase Peptide Synthesis. Org Lett 2016; 18:5940-5943. [PMID: 27805411 DOI: 10.1021/acs.orglett.6b03055] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
An N-sulfanylethylaminooxybutyramide (SEAoxy) has been developed as a novel thioester equivalent for native chemical ligation. SEAoxy peptide was straightforwardly synthesized by conventional Fmoc solid-phase peptide synthesis without a problem. Moreover, SEAoxy peptide could be directly applied to native chemical ligation owing to the intramolecular N-to-S acyl shift that releases the peptide-thioester in situ. This methodology was successfully applied to the synthesis of two bioactive peptides.
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Affiliation(s)
- Shugo Tsuda
- Peptide Institute, Inc., Ibaraki, Osaka 567-0085, Japan
| | | | - Ken Sakamoto
- Peptide Institute, Inc., Ibaraki, Osaka 567-0085, Japan
| | - Masaya Denda
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University , Tokushima 770-8505, Japan
| | - Hideki Nishio
- Peptide Institute, Inc., Ibaraki, Osaka 567-0085, Japan
| | - Akira Otaka
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University , Tokushima 770-8505, Japan
| | - Taku Yoshiya
- Peptide Institute, Inc., Ibaraki, Osaka 567-0085, Japan
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Hatch KA, Ornelas A, Williams KN, Boland T, Michael K, Li C. Photolysis of a peptide with N-peptidyl-7-nitroindoline units using two-photon absorption. BIOMEDICAL OPTICS EXPRESS 2016; 7:4654-4659. [PMID: 27896004 PMCID: PMC5119604 DOI: 10.1364/boe.7.004654] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Revised: 10/15/2016] [Accepted: 10/15/2016] [Indexed: 06/06/2023]
Abstract
N-acyl-7-nitroindolines have been used as caged compounds to photorelease active molecules by a one- or two-photon excitation mechanism in biological systems. Here, we report the photolysis of a polypeptide that contains 7-nitroindoline units as linker moieties in its peptide backbone for potential materials engineering applications. Upon two-photon excitation with femtosecond laser light at 710 nm the photoreactive amide bond in N-peptidyl-7-nitroindolines is cleaved rendering short peptide fragments. Thus, this photochemical process changes the molecular composition at the laser focal volume. Gel modifications of this peptide can potentially be used for three-dimensional microstructure fabrication.
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Affiliation(s)
- Kevin A Hatch
- Department of Physics, The University of Texas at El Paso, 500 W University Avenue, El Paso, TX 79968, USA
| | - Alfredo Ornelas
- Department of Chemistry, The University of Texas at El Paso, 500 W University Avenue, El Paso, TX 79968, USA
| | - Kaitlyn N Williams
- Department of Chemistry, The University of Texas at El Paso, 500 W University Avenue, El Paso, TX 79968, USA
| | - Thomas Boland
- Department of Metallurgical, Materials and Biomedical Engineering, The University of Texas at El Paso, 500 W University Avenue, El Paso, TX 79968, USA; Border Biomedical Research Center, The University of Texas at El Paso, 500 W University Avenue, El Paso, TX 79968, USA
| | - Katja Michael
- Department of Chemistry, The University of Texas at El Paso, 500 W University Avenue, El Paso, TX 79968, USA; Border Biomedical Research Center, The University of Texas at El Paso, 500 W University Avenue, El Paso, TX 79968, USA;
| | - Chunqiang Li
- Department of Physics, The University of Texas at El Paso, 500 W University Avenue, El Paso, TX 79968, USA; Border Biomedical Research Center, The University of Texas at El Paso, 500 W University Avenue, El Paso, TX 79968, USA;
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