1
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van der Zouwen AJ, Jeucken A, van der Pol E, Boerema G, Slotboom DJ, Witte MD. The linkage-type and the exchange molecule affect the protein-labeling efficiency of iminoboronate probes. Org Biomol Chem 2023; 21:9173-9181. [PMID: 37947354 PMCID: PMC10686633 DOI: 10.1039/d3ob01269g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 11/06/2023] [Indexed: 11/12/2023]
Abstract
Reversible bioorthogonal conjugation reactions have been exploited in the chemoproteomic field to prepare protein labeling reagents and to visualize labeled proteins. We recently demonstrated that reversible iminoboronates can be used to prepare probes from fragment libraries and that the linkage subsequently can be used to detect the labeled proteins. In this study, we determined the effect of the stability of the iminoboronate linkage on the efficiency of the labeling protocol. Our study reveals that the linkage should be stable enough to allow for efficient targeting, but should be labile enough to detect the labeled protein. Acyl hydrazides were identified as the most suitable handles for the probe synthesis step. Anthranilic hydrazides and N-hydroxy semicarbazides were found to be the most efficient read-out molecules. With these novel exchange molecules, native probe-labeled proteins could be visualized under physiological conditions.
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Affiliation(s)
- Antonie J van der Zouwen
- Chemical Biology II, Stratingh Institute for Chemistry, Nijenborgh 7, 9747 AG, Groningen, The Netherlands.
| | - Aike Jeucken
- Membrane Enzymology, Groningen Biomolecular Sciences and Biotechnology Institute, 9747 AG Groningen, The Netherlands
| | - Elske van der Pol
- Chemical Biology II, Stratingh Institute for Chemistry, Nijenborgh 7, 9747 AG, Groningen, The Netherlands.
| | - Gerben Boerema
- Chemical Biology II, Stratingh Institute for Chemistry, Nijenborgh 7, 9747 AG, Groningen, The Netherlands.
| | - Dirk J Slotboom
- Membrane Enzymology, Groningen Biomolecular Sciences and Biotechnology Institute, 9747 AG Groningen, The Netherlands
| | - Martin D Witte
- Chemical Biology II, Stratingh Institute for Chemistry, Nijenborgh 7, 9747 AG, Groningen, The Netherlands.
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2
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Design, development, synthesis, and crystal structure of the prototype of a new class of deep blue-fluorescing boron heterocycle estrogen mimics. Bioorg Med Chem Lett 2022; 72:128864. [PMID: 35738349 DOI: 10.1016/j.bmcl.2022.128864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 06/13/2022] [Accepted: 06/16/2022] [Indexed: 11/24/2022]
Abstract
To further the development of boron heterocyclic compounds that are useful to medicinal chemistry, we demonstrate how the class of compounds known as the diazaborines can be elaborated to produce an exceptionally close structural mimic of a natural estrogen. After building progressively closer models, a benzyloxy-substituted formylphenylboronic acid was ultimately condensed with a hydroxymethylated β-hydrazinocyclopentenone to give, after debenzylation, an isosteric mimic (diazaborine 1) of the naturally-occurring estrogen equilenin and the prototype of a new class of boron heterocycle estrogen mimics. X-ray crystallography revealed the prototype to be planar, with a transmolecular interoxygen distance virtually identical to that found in equilenin and with a strong hydrogen-bond-donating hydroxyl group. From this it can be anticipated that members of this unique class of boron heterocycle estrogen mimics will be found to possess useful biological properties. Furthermore, the prototype was found to fluoresce in the deep blue region of the visible spectrum, and so the development of members serving as light-emitting probes in biochemical and biological studies can also be anticipated.
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3
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Lescure LR, Jesse T, Groziak MP, Powers XB, Olmstead MM. Polycyclic Aromatic Heterocycles with a Benzo[ c][1,2]azaborinine Core. J Heterocycl Chem 2019. [DOI: 10.1002/jhet.3651] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Louis R. Lescure
- Department of Chemistry and Biochemistry California State University Carlos Bee Boulevard Hayward California 94542 USA
| | - Talitha Jesse
- Department of Chemistry and Biochemistry California State University Carlos Bee Boulevard Hayward California 94542 USA
| | - Michael P. Groziak
- Department of Chemistry and Biochemistry California State University Carlos Bee Boulevard Hayward California 94542 USA
| | - Xian B. Powers
- Department of Chemistry University of California Davis, One Shields Avenue Davis California 95616 USA
| | - Marilyn M. Olmstead
- Department of Chemistry University of California Davis, One Shields Avenue Davis California 95616 USA
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4
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Lindl F, Lin S, Krummenacher I, Lenczyk C, Stoy A, Müller M, Lin Z, Braunschweig H. 1,2,3-Diazaborinin: ein BN-Analogon des Pyridins durch Borol-Ringerweiterung mit einem organischen Azid. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201811601] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Felix Lindl
- Institut für Anorganische Chemie; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Deutschland
- Institut für Nachhaltige Chemie & Katalyse mit Bor; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Deutschland
| | - Shujuan Lin
- Departement Chemie; Universität für Wissenschaft und Technologie Hongkong; Clear Water Bay Kowloon, Hongkong China
| | - Ivo Krummenacher
- Institut für Anorganische Chemie; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Deutschland
- Institut für Nachhaltige Chemie & Katalyse mit Bor; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Deutschland
| | - Carsten Lenczyk
- Institut für Anorganische Chemie; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Deutschland
- Institut für Nachhaltige Chemie & Katalyse mit Bor; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Deutschland
| | - Andreas Stoy
- Institut für Anorganische Chemie; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Deutschland
- Institut für Nachhaltige Chemie & Katalyse mit Bor; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Deutschland
| | - Marcel Müller
- Institut für Anorganische Chemie; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Deutschland
- Institut für Nachhaltige Chemie & Katalyse mit Bor; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Deutschland
| | - Zhenyang Lin
- Departement Chemie; Universität für Wissenschaft und Technologie Hongkong; Clear Water Bay Kowloon, Hongkong China
| | - Holger Braunschweig
- Institut für Anorganische Chemie; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Deutschland
- Institut für Nachhaltige Chemie & Katalyse mit Bor; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Deutschland
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5
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Ramsaywack S, Bos A, Vogels CM, Gray CA, Westcott SA. Preliminary investigations into the synthesis and antimicrobial activities of boron-containing capsaicinoids. CAN J CHEM 2018. [DOI: 10.1139/cjc-2018-0193] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
This preliminary study reports on the synthesis of two new boron-capsaicin derivatives containing either a short or long chain aliphatic tail group using an iridium catalyzed hydroboration reaction with pinacolborane. The boronate ester groups reside on the terminal position of the tail group and are necessary for the bioactivity of these compounds. Indeed, both compounds showed considerable activity against two Gram-positive bacteria, including Vancomycin-resistant Enterococcus. Vancomycin is considered the last resort medication for the treatment of septicemia, and new antibacterial agents that can treat sepsis are of paramount importance. The more lipophilic boron compound with the longer aliphatic chain also showed antifungal activity against Saccharomyces cerevisiae.
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Affiliation(s)
- Sharwatie Ramsaywack
- Department of Chemistry and Biochemistry, Mount Allison University, Sackville, NB E4L 1G8, Canada
| | - Allyson Bos
- Department of Biological Sciences, University of New Brunswick, Saint John, NB E2L 4L5, Canada
| | - Christopher M. Vogels
- Department of Chemistry and Biochemistry, Mount Allison University, Sackville, NB E4L 1G8, Canada
| | - Christopher A. Gray
- Department of Biological Sciences, University of New Brunswick, Saint John, NB E2L 4L5, Canada
- Department of Chemistry, University of New Brunswick, Saint John, NB E2L 4L5, Canada
| | - Stephen A. Westcott
- Department of Chemistry and Biochemistry, Mount Allison University, Sackville, NB E4L 1G8, Canada
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6
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Lindl F, Lin S, Krummenacher I, Lenczyk C, Stoy A, Müller M, Lin Z, Braunschweig H. 1,2,3-Diazaborinine: A BN Analogue of Pyridine Obtained by Ring Expansion of a Borole with an Organic Azide. Angew Chem Int Ed Engl 2018; 58:338-342. [DOI: 10.1002/anie.201811601] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Indexed: 11/05/2022]
Affiliation(s)
- Felix Lindl
- Institute for Inorganic Chemistry; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Germany
- Institute for Sustainable Chemistry & Catalysis with Boron; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Germany
| | - Shujuan Lin
- Department of Chemistry; The Hong Kong University of Science and Technology; Clear Water Bay Kowloon, Hong Kong China
| | - Ivo Krummenacher
- Institute for Inorganic Chemistry; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Germany
- Institute for Sustainable Chemistry & Catalysis with Boron; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Germany
| | - Carsten Lenczyk
- Institute for Inorganic Chemistry; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Germany
- Institute for Sustainable Chemistry & Catalysis with Boron; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Germany
| | - Andreas Stoy
- Institute for Inorganic Chemistry; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Germany
- Institute for Sustainable Chemistry & Catalysis with Boron; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Germany
| | - Marcel Müller
- Institute for Inorganic Chemistry; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Germany
- Institute for Sustainable Chemistry & Catalysis with Boron; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Germany
| | - Zhenyang Lin
- Department of Chemistry; The Hong Kong University of Science and Technology; Clear Water Bay Kowloon, Hong Kong China
| | - Holger Braunschweig
- Institute for Inorganic Chemistry; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Germany
- Institute for Sustainable Chemistry & Catalysis with Boron; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Germany
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Scott RS, Veinot AJ, Stack DL, Gormley PT, Khuong BN, Vogels CM, Masuda JD, Baerlocher FJ, MacCormack TJ, Westcott SA. Synthesis, reactivity, and antimicrobial properties of boron-containing 4-ethyl-3-thiosemicarbazide derivatives. CAN J CHEM 2018. [DOI: 10.1139/cjc-2018-0108] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The addition of 4-ethyl-3-thiosemicarbazide to benzaldehyde and boronic acid containing derivatives afforded the corresponding thiosemicarbazones (1–3) or benzodiazaborines (4–6) depending on the position of the boronic acid within the ring. All compounds have been characterized fully including an X-ray diffraction study of the methoxy-containing benzodiazaborine 6. Attempts to coordinate thiosemicarbazones 2 and 3 to palladium(II) acetate were unsuccessful; however, addition of the non-boron-containing derivative 1 to palladium afforded complex 7 whose molecular structure was determined by an X-ray diffraction study. The initial bioactivities of compounds 1–7 were examined against two fungi, Aspergillus niger and Saccharomyces cerevisiae, and two bacteria, Bacillus cereus and Pseudomonas aeruginosa.
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Affiliation(s)
- Ryan S. Scott
- Department of Chemistry and Biochemistry, Mount Allison University, Sackville, NB E4L 1G8, Canada
| | - Alex J. Veinot
- Department of Chemistry, Saint Mary’s University, Halifax, NS B3H 3C3, Canada
| | - Darcie L. Stack
- Department of Chemistry, Saint Mary’s University, Halifax, NS B3H 3C3, Canada
| | - Patrick T. Gormley
- Department of Chemistry and Biochemistry, Mount Allison University, Sackville, NB E4L 1G8, Canada
| | - B. Ninh Khuong
- Department of Chemistry and Biochemistry, Mount Allison University, Sackville, NB E4L 1G8, Canada
| | - Christopher M. Vogels
- Department of Chemistry and Biochemistry, Mount Allison University, Sackville, NB E4L 1G8, Canada
| | - Jason D. Masuda
- Department of Chemistry, Saint Mary’s University, Halifax, NS B3H 3C3, Canada
| | - Felix J. Baerlocher
- Department of Biology, Mount Allison University, Sackville, NB E4L 1G8, Canada
| | - Tyson J. MacCormack
- Department of Chemistry and Biochemistry, Mount Allison University, Sackville, NB E4L 1G8, Canada
| | - Stephen A. Westcott
- Department of Chemistry and Biochemistry, Mount Allison University, Sackville, NB E4L 1G8, Canada
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