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Teschers CS, Gilmour R. Fluorine-Directed Automated Mannoside Assembly. Angew Chem Int Ed Engl 2023; 62:e202213304. [PMID: 36331042 PMCID: PMC10108063 DOI: 10.1002/anie.202213304] [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: 09/08/2022] [Revised: 11/02/2022] [Accepted: 11/04/2022] [Indexed: 11/06/2022]
Abstract
Automated glycan assembly (AGA) on solid support has become invaluable in reconciling the biological importance of complex carbohydrates with the persistent challenges associated with reproducible synthesis. Whilst AGA platforms have transformed the construction of many natural sugars, validation in the construction of well-defined (site-selectively modified) glycomimetics is in its infancy. Motivated by the importance of fluorination in drug discovery, the biomedical prominence of 2-fluoro sugars and the remarkable selectivities observed in fluorine-directed glycosylation, fluorine-directed automated glycan assembly (FDAGA) is disclosed. This strategy leverages the fluorine atom for stereocontrolled glycosylation on solid support, thereby eliminating the reliance on O-based directing groups. The logical design of C2-fluorinated mannose building blocks, and their application in the fully (α-)stereocontrolled automated assembly of linear and branched fluorinated oligomannosides, is disclosed. This operationally simple strategy can be integrated into existing AGA and post-AGA protocols to augment the scope of programmed carbohydrate synthesis.
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Affiliation(s)
- Charlotte S Teschers
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstr. 36, 48149, Münster, Germany
| | - Ryan Gilmour
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstr. 36, 48149, Münster, Germany
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2
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Escopy S, Singh Y, Stine KJ, Demchenko AV. HPLC‐Based Automated Synthesis of Glycans in Solution. Chemistry 2022; 28:e202201180. [DOI: 10.1002/chem.202201180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Samira Escopy
- Department of Chemistry and Biochemistry University of Missouri - St. Louis One University Boulevard St. Louis Missouri 63121 USA
- Department of Chemistry Saint Louis University 3501 Laclede Ave St. Louis Missouri 63103 USA
| | - Yashapal Singh
- Department of Chemistry and Biochemistry University of Missouri - St. Louis One University Boulevard St. Louis Missouri 63121 USA
| | - Keith J. Stine
- Department of Chemistry and Biochemistry University of Missouri - St. Louis One University Boulevard St. Louis Missouri 63121 USA
| | - Alexei V. Demchenko
- Department of Chemistry and Biochemistry University of Missouri - St. Louis One University Boulevard St. Louis Missouri 63121 USA
- Department of Chemistry Saint Louis University 3501 Laclede Ave St. Louis Missouri 63103 USA
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Balijepalli AS, Sabatelle RC, Chen M, Suki B, Grinstaff MW. A Synthetic Bioinspired Carbohydrate Polymer with Mucoadhesive Properties. Angew Chem Int Ed Engl 2020; 59:704-710. [PMID: 31701611 PMCID: PMC7754715 DOI: 10.1002/anie.201911720] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 10/17/2019] [Indexed: 01/26/2023]
Abstract
Mucoadhesive polymers are of significant interest to the pharmaceutical, medical device, and cosmetic industries. Polysaccharides possessing charged functional groups, such as chitosan, are known for mucoadhesive properties but suffer from poor chemical definition and solubility, while the chemical synthesis of polysaccharides is challenging with few reported examples of synthetic carbohydrate polymers with engineered-in ionic functionality. We report the design, synthesis, and evaluation of a synthetic, cationic, enantiopure carbohydrate polymer inspired by the structure of chitosan. These water-soluble, cytocompatible polymers are prepared via an anionic ring-opening polymerization of a bicyclic β-lactam sugar monomer. The synthetic method provides control over the site of amine functionalization and the length of the polymer while providing narrow dispersities. These well-defined polymers are mucoadhesive as documented in single-molecule scale (AFM), bulk solution phase (FRAP), and ex vivo tissue experiments. Polymer length and functionality affects bioactivity as long, charged polymers display higher mucoadhesivity than long, neutral polymers or short, charged polymers.
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Affiliation(s)
- Anant S Balijepalli
- Department of Biomedical Engineering, Boston University, 44 Cummington Mall, Boston, MA, 02215, USA
| | - Robert C Sabatelle
- Department of Biomedical Engineering, Boston University, 44 Cummington Mall, Boston, MA, 02215, USA
| | - Mingfu Chen
- Department of Biomedical Engineering, Boston University, 44 Cummington Mall, Boston, MA, 02215, USA
| | - Bela Suki
- Department of Biomedical Engineering, Boston University, 44 Cummington Mall, Boston, MA, 02215, USA
| | - Mark W Grinstaff
- Department of Biomedical Engineering, Boston University, 44 Cummington Mall, Boston, MA, 02215, USA
- Department of Chemistry, Boston University, 712 Beacon Street, Boston, MA, 02215, USA
- School of Medicine, Boston University, 72 East Concord Street, Boston, MA, 02118, USA
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4
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Balijepalli AS, Sabatelle RC, Chen M, Suki B, Grinstaff MW. A Synthetic Bioinspired Carbohydrate Polymer with Mucoadhesive Properties. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201911720] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Anant S. Balijepalli
- Department of Biomedical Engineering Boston University 44 Cummington Mall Boston MA 02215 USA
| | - Robert C. Sabatelle
- Department of Biomedical Engineering Boston University 44 Cummington Mall Boston MA 02215 USA
| | - Mingfu Chen
- Department of Biomedical Engineering Boston University 44 Cummington Mall Boston MA 02215 USA
| | - Bela Suki
- Department of Biomedical Engineering Boston University 44 Cummington Mall Boston MA 02215 USA
| | - Mark W. Grinstaff
- Department of Biomedical Engineering Boston University 44 Cummington Mall Boston MA 02215 USA
- Department of Chemistry Boston University 712 Beacon Street Boston MA 02215 USA
- School of Medicine Boston University 72 East Concord Street Boston MA 02118 USA
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Zhang J, Chen C, Gadi MR, Gibbons C, Guo Y, Cao X, Edmunds G, Wang S, Liu D, Yu J, Wen L, Wang PG. Machine‐Driven Enzymatic Oligosaccharide Synthesis by Using a Peptide Synthesizer. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201810661] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Jiabin Zhang
- Department of ChemistryGeorgia State University Atlanta GA 30303 USA
| | - Congcong Chen
- Department of ChemistryGeorgia State University Atlanta GA 30303 USA
| | | | | | - Yuxi Guo
- Department of ChemistryGeorgia State University Atlanta GA 30303 USA
| | - Xuefeng Cao
- Department of ChemistryGeorgia State University Atlanta GA 30303 USA
| | - Garrett Edmunds
- Department of ChemistryGeorgia State University Atlanta GA 30303 USA
| | - Shuaishuai Wang
- Department of ChemistryGeorgia State University Atlanta GA 30303 USA
| | - Ding Liu
- Department of ChemistryGeorgia State University Atlanta GA 30303 USA
| | - Jin Yu
- Department of ChemistryGeorgia State University Atlanta GA 30303 USA
| | - Liuqing Wen
- Department of ChemistryGeorgia State University Atlanta GA 30303 USA
| | - Peng G. Wang
- Department of ChemistryGeorgia State University Atlanta GA 30303 USA
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6
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Zhang J, Chen C, Gadi MR, Gibbons C, Guo Y, Cao X, Edmunds G, Wang S, Liu D, Yu J, Wen L, Wang PG. Machine-Driven Enzymatic Oligosaccharide Synthesis by Using a Peptide Synthesizer. Angew Chem Int Ed Engl 2018; 57:16638-16642. [PMID: 30375138 PMCID: PMC6402783 DOI: 10.1002/anie.201810661] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Revised: 10/29/2018] [Indexed: 01/12/2023]
Abstract
For decades, researchers have endeavored to develop a general automated system to synthesize oligosaccharides that is comparable to the preparation of oligonucleotides and oligopeptides by commercially available machines. Inspired by the success of automated oligosaccharide synthesis through chemical glycosylation, a fully automated system is reported for oligosaccharides synthesis through enzymatic glycosylation in aqueous solution. The designed system is based on the use of a thermosensitive polymer and a commercially available peptide synthesizer. This study represents a proof-of-concept demonstration that the enzymatic synthesis of oligosaccharides can be achieved in an automated manner using a commercially available peptide synthesizer.
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Affiliation(s)
- Jiabin Zhang
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Congcong Chen
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | | | | | - Yuxi Guo
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Xuefeng Cao
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Garrett Edmunds
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Shuaishuai Wang
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Ding Liu
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Jin Yu
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Liuqing Wen
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Peng G Wang
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
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Abstract
The development of glycobiology relies on the sources of particular oligosaccharides in their purest forms. As the isolation of the oligosaccharide structures from natural sources is not a reliable option for providing samples with homogeneity, chemical means become pertinent. The growing demand for diverse oligosaccharide structures has prompted the advancement of chemical strategies to stitch sugar molecules with precise stereo- and regioselectivity through the formation of glycosidic bonds. This Review will focus on the key developments towards chemical O-glycosylations in the current century. Synthesis of novel glycosyl donors and acceptors and their unique activation for successful glycosylation are discussed. This Review concludes with a summary of recent developments and comments on future prospects.
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Affiliation(s)
- Rituparna Das
- Department of Chemical SciencesIndian Institute of Science Education and Research (IISER) KolkataMohanpurNadia741246India
| | - Balaram Mukhopadhyay
- Department of Chemical SciencesIndian Institute of Science Education and Research (IISER) KolkataMohanpurNadia741246India
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Schmidt D, Schuhmacher F, Geissner A, Seeberger PH, Pfrengle F. Automated Synthesis of Arabinoxylan-Oligosaccharides Enables Characterization of Antibodies that Recognize Plant Cell Wall Glycans. Chemistry 2015; 21:5709-13. [DOI: 10.1002/chem.201500065] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Indexed: 11/06/2022]
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9
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Rodrigues T, Schneider P, Schneider G. Accessing New Chemical Entities through Microfluidic Systems. Angew Chem Int Ed Engl 2014; 53:5750-8. [DOI: 10.1002/anie.201400988] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Indexed: 11/10/2022]
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Rodrigues T, Schneider P, Schneider G. Neue chemische Strukturen durch Mikrofluidiksysteme. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201400988] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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