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Reissig HU, Yu F. One-pot nucleophilic substitution-double click reactions of biazides leading to functionalized bis(1,2,3-triazole) derivatives. Beilstein J Org Chem 2023; 19:1399-1407. [PMID: 37767336 PMCID: PMC10520474 DOI: 10.3762/bjoc.19.101] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
The nucleophilic substitution of benzylic bromides with sodium azide was combined with a subsequent copper-catalyzed (3 + 2) cycloaddition with terminal alkynes. This one-pot process was developed with a simple model alkyne, but then applied to more complex alkynes bearing enantiopure 1,2-oxazinyl substituents. Hence, the precursor compounds 1,2-, 1,3- or 1,4-bis(bromomethyl)benzene furnished geometrically differing bis(1,2,3-triazole) derivatives. The use of tris[(1-benzyl-1H-1,2,3-triazol-4-yl)methyl]amine (TBTA) as ligand for the click step turned out to be very advantageous. The compounds with 1,2-oxazinyl end groups can potentially serve as precursors of divalent carbohydrate mimetics, but the reductive cleavage of the 1,2-oxazine rings to aminopyran moieties did not proceed cleanly with these compounds.
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Affiliation(s)
- Hans-Ulrich Reissig
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, D-14195 Berlin, Germany
| | - Fei Yu
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, D-14195 Berlin, Germany
- Asymchem Boston Corporation, 10 Gill Street, Woburn, Massachusetts, 01801, USA
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2
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Gorantla JN, Maniganda S, Pengthaisong S, Ngiwsara L, Sawangareetrakul P, Chokchaisiri S, Kittakoop P, Svasti J, Ketudat Cairns JR. Chemoenzymatic and Protecting-Group-Free Synthesis of 1,4-Substituted 1,2,3-Triazole-α-d-glucosides with Potent Inhibitory Activity toward Lysosomal α-Glucosidase. ACS OMEGA 2021; 6:25710-25719. [PMID: 34632227 PMCID: PMC8495876 DOI: 10.1021/acsomega.1c03928] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 09/10/2021] [Indexed: 06/13/2023]
Abstract
α-Glucosyl triazoles have rarely been tested as α-glucosidase inhibitors, partly due to inefficient synthesis of their precursor α-d-glucosylazide (αGA1). Glycosynthase enzymes, made by nucleophile mutations of retaining β-glucosidases, produce αGA1 in chemical rescue experiments. Thermoanaerobacterium xylanolyticus glucosyl hydrolase 116 β-glucosidase (TxGH116) E441G nucleophile mutant catalyzed synthesis of αGA1 from sodium azide and pNP-β-d-glucoside (pNPGlc) or cellobiose in aqueous medium at 45 °C. The pNPGlc and azide reaction product was purified by Sephadex LH-20 column chromatography to yield 280 mg of pure αGA1 (68% yield). αGA1 was successfully conjugated with alkynes attached to different functional groups, including aryl, ether, amine, amide, ester, alcohol, and flavone via copper-catalyzed azide-alkyne cycloaddition (CuAAC) click chemistry reactions. These reactions afforded the 1,4-substituted 1,2,3-triazole-α-d-glucoside derivatives AGT2-14 without protection and deprotection. Several of these glucosyl triazoles exhibited strong inhibition of human lysosomal α-glucosidase, with IC50 values for AGT4 and AGT14 more than 60-fold lower than that of the commercial α-glucosidase inhibitor acarbose.
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Affiliation(s)
- Jaggaiah N. Gorantla
- Center
for Biomolecular Structure, Function and Application, School of Chemistry,
Institute of Science, Suranaree University
of Technology, Nakhon
Ratchasima 30000, Thailand
| | - Santhi Maniganda
- Center
for Biomolecular Structure, Function and Application, School of Chemistry,
Institute of Science, Suranaree University
of Technology, Nakhon
Ratchasima 30000, Thailand
| | - Salila Pengthaisong
- Center
for Biomolecular Structure, Function and Application, School of Chemistry,
Institute of Science, Suranaree University
of Technology, Nakhon
Ratchasima 30000, Thailand
| | - Lukana Ngiwsara
- Laboratory
of Biochemistry, Chulabhorn Research Institute, Bangkok 10210, Thailand
| | | | - Suwadee Chokchaisiri
- Center
for Biomolecular Structure, Function and Application, School of Chemistry,
Institute of Science, Suranaree University
of Technology, Nakhon
Ratchasima 30000, Thailand
| | - Prasat Kittakoop
- Chulabhorn
Graduate Institute, Chemical Sciences Program, Chulabhorn Royal Academy, Bangkok 10210, Thailand
| | - Jisnuson Svasti
- Laboratory
of Biochemistry, Chulabhorn Research Institute, Bangkok 10210, Thailand
| | - James R. Ketudat Cairns
- Center
for Biomolecular Structure, Function and Application, School of Chemistry,
Institute of Science, Suranaree University
of Technology, Nakhon
Ratchasima 30000, Thailand
- Laboratory
of Biochemistry, Chulabhorn Research Institute, Bangkok 10210, Thailand
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Salta J, Arp FF, Kühne C, Reissig H. Multivalent 1,2,3‐Triazole‐Linked Carbohydrate Mimetics by Huisgen–Meldal‐Sharpless Cycloadditions of an Azidopyran. European J Org Chem 2020. [DOI: 10.1002/ejoc.202001389] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Joana Salta
- Institut für Chemie und Biochemie Freie Universität Berlin Takustrasse 3 14195 Berlin Germany
| | - Fabian F. Arp
- Institut für Chemie und Biochemie Freie Universität Berlin Takustrasse 3 14195 Berlin Germany
| | - Christian Kühne
- Institut für Laboratoriumsmedizin Klinische Chemie und Pathobiochemie Charité‐Universitätsmedizin Berlin Augustenburger Platz 1 13353 Berlin Germany
| | - Hans‐Ulrich Reissig
- Institut für Chemie und Biochemie Freie Universität Berlin Takustrasse 3 14195 Berlin Germany
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4
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Salta J, Reissig H. Divalent Triazole‐Linked Carbohydrate Mimetics: Synthesis by Click Chemistry and Evaluation as Selectin Ligands. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000618] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Joana Salta
- Institut für Chemie und Biochemie Freie Universität Berlin Takustrasse 3 14195 Berlin Germany
| | - Hans‐Ulrich Reissig
- Institut für Chemie und Biochemie Freie Universität Berlin Takustrasse 3 14195 Berlin Germany
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Tavernaro I, Rodrigo AM, Kandziora M, Kuntz S, Dernedde J, Trautwein C, Tacke F, Blas‐Garcia A, Bartneck M. Modulating Myeloid Immune Cell Migration Using Multivalently Presented Monosaccharide Ligands for Advanced Immunotherapy. ADVANCED THERAPEUTICS 2019. [DOI: 10.1002/adtp.201900145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Isabella Tavernaro
- Institute of Inorganic and Analytical Chemistry Justus‐Liebig‐University Giessen Heinrich‐Buff‐Ring 17 35392 Giessen Germany
| | - Alberto Marti Rodrigo
- Dpto.Farmacología Facultad de Medicina Avda Blasco Ibañez n.15‐17 46010 Valencia Spain
| | - Maja Kandziora
- Institute of Chemistry and Biochemistry Freie Universität Berlin Takustraße 3 14195 Berlin Germany
| | - Sabine Kuntz
- Institute of Nutritional Sciences Justus‐Liebig‐University Giessen Wilhelmstraße 20 35392 Giessen Germany
| | - Jens Dernedde
- Institut für Laboratoriumsmedizin, Klinische Chemie und Pathobiochemie Charité‐Universitätsmedizin Berlin Augustenburger Platz 1 13353 Berlin Germany
| | | | - Frank Tacke
- Department of Hepatology & Gastroenterology Charité‐Universitätsmedizin Berlin Augustenburger Platz 1 13353 Berlin Germany
| | - Ana Blas‐Garcia
- Dpto.Farmacología Facultad de Medicina Avda Blasco Ibañez n.15‐17 46010 Valencia Spain
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Medvecký M, Linder I, Schefzig L, Reissig HU, Zimmer R. Iodination of carbohydrate-derived 1,2-oxazines to enantiopure 5-iodo-3,6-dihydro-2 H-1,2-oxazines and subsequent palladium-catalyzed cross-coupling reactions. Beilstein J Org Chem 2017; 12:2898-2905. [PMID: 28144363 PMCID: PMC5238527 DOI: 10.3762/bjoc.12.289] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Accepted: 12/20/2016] [Indexed: 11/30/2022] Open
Abstract
Iodination of carbohydrate-derived 3,6-dihydro-2H-1,2-oxazines of type 3 using iodine and pyridine in DMF furnished 5-iodo-substituted 1,2-oxazine derivatives 4 with high efficacy. The alkenyl iodide moiety of 1,2-oxazine derivatives syn-4 and anti-4 was subsequently exploited for the introduction of new functionalities at the C-5 position by applying palladium-catalyzed carbon–carbon bond-forming reactions such as Sonogashira, Heck, or Suzuki coupling reactions as well as a cyanation reaction. These cross-coupling reactions led to a series of 5-alkynyl-, 5-alkenyl-, 5-aryl- and 5-cyano-substituted 1,2-oxazine derivatives being of considerable interest for further synthetic elaborations. This was exemplarily demonstrated by the hydrogenation of syn-21 and anti-24 and by a click reaction of a 5-alkynyl-substituted precursor.
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Affiliation(s)
- Michal Medvecký
- Freie Universität Berlin, Institut für Chemie und Biochemie, Takustrasse 3, D-14195 Berlin, Germany
| | - Igor Linder
- Freie Universität Berlin, Institut für Chemie und Biochemie, Takustrasse 3, D-14195 Berlin, Germany
| | - Luise Schefzig
- Freie Universität Berlin, Institut für Chemie und Biochemie, Takustrasse 3, D-14195 Berlin, Germany
| | - Hans-Ulrich Reissig
- Freie Universität Berlin, Institut für Chemie und Biochemie, Takustrasse 3, D-14195 Berlin, Germany
| | - Reinhold Zimmer
- Freie Universität Berlin, Institut für Chemie und Biochemie, Takustrasse 3, D-14195 Berlin, Germany
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Kitamura M. Azidoimidazolinium Salts: Safe and Efficient Diazo-transfer Reagents and Unique Azido-donors. CHEM REC 2016; 17:653-666. [PMID: 28000372 DOI: 10.1002/tcr.201600118] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Indexed: 11/06/2022]
Abstract
2-Azido-1,3-dimethylimidazolinium chloride (ADMC) and its corresponding hexafluorophosphate (ADMP) were found to be efficient diazo-transfer reagents to various organic compounds. ADMC was prepared by the reaction of 2-chloro-1,3-dimethylimidazolinium chloride (DMC) and sodium azide. ADMP was isolated as a crystal having good thermal stability and low explosibility. ADMC and ADMP reacted with 1,3-dicarbonyl compounds under mild basic conditions to give 2-diazo-1,3-dicarbonyl compounds in high yields, which were easily isolated in virtue of the high water solubility of the by-products. ADMP showed high diazo-transfer ability to primary amines even in the absence of metal salt such as Cu(II). Using this diazotization approach, various alkyl/aryl azides were directly obtained from their corresponding primary amines in high yields. Furthermore, naphthols reacted with ADMC to give the corresponding diazonaphthoquinones in good to high yields. In addition, 2-azido-1,3-dimethylimidazolinium salts were employed as azide-transfer and migratory amidation reagents.
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Affiliation(s)
- Mitsuru Kitamura
- Department Applied Chemistry, Kyushu Institute of Technology, 1-1 Sensuicho, Tobata, Kitakyushu, 804-8550, Japan
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Salta J, Dernedde J, Reissig HU. Synthesis of multivalent carbohydrate mimetics with aminopolyol end groups and their evaluation as L-selectin inhibitors. Beilstein J Org Chem 2015; 11:638-46. [PMID: 26124866 PMCID: PMC4464473 DOI: 10.3762/bjoc.11.72] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2015] [Accepted: 04/21/2015] [Indexed: 11/23/2022] Open
Abstract
In this article a series of divalent and trivalent carbohydrate mimetics on the basis of an enantiopure aminopyran and of serinol is described. These aminopolyols are connected by amide bonds to carboxylic acid derived spacer units either by Schotten-Baumann acylation or by coupling employing HATU as reagent. The O-sulfation employing the SO3·DMF complex was optimized. It was crucial to follow this process by 700 MHz (1)H NMR spectroscopy to ensure full conversion and to use a refined neutralization and purification protocol. Many of the compounds could not be tested as L-selectin inhibitor by SPR due to their insolubility in water, nevertheless, a divalent and a trivalent amide showed surprisingly good activities with IC50 values in the low micromolar range.
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Affiliation(s)
- Joana Salta
- Freie Universität Berlin, Institut für Chemie und Biochemie, Takustrasse 3, D-14195 Berlin, Germany
| | - Jens Dernedde
- Charité Universitätsmedizin Berlin, Institut für Laboratoriumsmedizin, Klinische Chemie und Pathobiochemie, Campus Virchow Klinikum, Augustenburger Platz 1, D-13353 Berlin, Germany
| | - Hans-Ulrich Reissig
- Freie Universität Berlin, Institut für Chemie und Biochemie, Takustrasse 3, D-14195 Berlin, Germany
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Kandziora M, Reissig HU. Preparation of Multivalent Carbohydrate Mimetics Based on Enantiopure 1,2-Oxazines by Sonogashira Coupling and Subsequent Reductive Ring-Opening. European J Org Chem 2014. [DOI: 10.1002/ejoc.201403186] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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