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Ramos J, Arufe S, Martin H, Rooney D, Elmes RBP, Erxleben A, Moreira R, Velasco-Torrijos T. Glycosyl squaramides, a new class of supramolecular gelators. SOFT MATTER 2020; 16:7916-7926. [PMID: 32724982 DOI: 10.1039/d0sm01075h] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Glycosyl squaramides were synthesised and evaluated as low molecular weight gelators. Amphiphilic glycosyl squaramides 5 and 6, with a C-16 aliphatic chain, formed thermoreversible gels in polar organic solvents and 1 : 1 ethanol/water mixtures with high efficiency. Rheological analysis showed these gels achieve their structural stability 120 h after gelation and were robust, making them particularly suitable for biomedical applications. The interactions between solvent and gelator strongly influence SAFiN (Self-Assembled Fibrillar Network) formation, critical gelation concentration (CGC) and subsequent gel structure, as evidenced by SEM imaging of xerogels. Spectroscopic studies indicate that H-bonding is involved in the self-assembly of the glycosyl squaramides in organic solvents, while hydrophobic interactions are the major driving force for gel formation in the presence of water. The compounds described herein are the first reported examples of carbohydrate-squaramide conjugates capable of forming supramolecular gels.
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Affiliation(s)
- Jessica Ramos
- Department of Chemistry, Maynooth University, Maynooth, Co., Kildare, Ireland.
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Almond-Thynne J, Blakemore DC, Pryde DC, Spivey AC. Site-selective Suzuki-Miyaura coupling of heteroaryl halides - understanding the trends for pharmaceutically important classes. Chem Sci 2017; 8:40-62. [PMID: 28451148 PMCID: PMC5304707 DOI: 10.1039/c6sc02118b] [Citation(s) in RCA: 114] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Accepted: 08/04/2016] [Indexed: 12/22/2022] Open
Abstract
Suzuki-Miyaura cross-coupling reactions of heteroaryl polyhalides with aryl boronates are surveyed. Drawing on data from literature sources as well as bespoke searches of Pfizer's global chemistry RKB and CAS Scifinder® databases, the factors that determine the site-selectivity of these reactions are discussed with a view to rationalising the trends found.
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Affiliation(s)
- Joshua Almond-Thynne
- Department of Chemistry , Imperial College London , South Kensington Campus , London , SW& 2AZ , UK .
| | - David C Blakemore
- Pfizer Worldwide Medicinal Chemistry , The Portway Building, Granta Park, Great Abington , Cambridge , CB21 6GS , UK
| | - David C Pryde
- Pfizer Worldwide Medicinal Chemistry , The Portway Building, Granta Park, Great Abington , Cambridge , CB21 6GS , UK
| | - Alan C Spivey
- Department of Chemistry , Imperial College London , South Kensington Campus , London , SW& 2AZ , UK .
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Petiot P, Gagnon A. Palladium-Catalyzed Cross-Coupling Reaction of Functionalized Aryl- and Heteroarylbismuthanes with 2-Halo(or 2-Triflyl)azines and -diazines. European J Org Chem 2013. [DOI: 10.1002/ejoc.201300850] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Barroso S, Geerdink D, ter Horst B, Casas-Arce E, Minnaard AJ. Total Synthesis of the Phenolic Glycolipid Mycoside B and the Glycosylatedp-Hydroxybenzoic Acid Methyl Ester HBAD-I, Virulence Markers ofMycobacterium tuberculosis. European J Org Chem 2013. [DOI: 10.1002/ejoc.201300437] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Velasco-Torrijos T, Abbey L, O'Flaherty R. A Concise Synthesis of Glycolipids Based on Aspartic Acid Building Blocks. Molecules 2012; 17:11346-62. [PMID: 23011277 PMCID: PMC6269076 DOI: 10.3390/molecules171011346] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2012] [Revised: 09/15/2012] [Accepted: 09/21/2012] [Indexed: 11/16/2022] Open
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Bergeron-Brlek M, Giguère D, Shiao TC, Saucier C, Roy R. Palladium-Catalyzed Ullmann-Type Reductive Homocoupling of Iodoaryl Glycosides. J Org Chem 2012; 77:2971-7. [DOI: 10.1021/jo2025652] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Milan Bergeron-Brlek
- Department
of Chemistry, Université du Québec à Montréal, P.O. Box
8888, Succ. Centre-Ville, Montréal, Québec, Canada
| | - Denis Giguère
- Department
of Chemistry, Université du Québec à Montréal, P.O. Box
8888, Succ. Centre-Ville, Montréal, Québec, Canada
| | - Tze Chieh Shiao
- Department
of Chemistry, Université du Québec à Montréal, P.O. Box
8888, Succ. Centre-Ville, Montréal, Québec, Canada
| | - Catherine Saucier
- Department
of Chemistry, Université du Québec à Montréal, P.O. Box
8888, Succ. Centre-Ville, Montréal, Québec, Canada
| | - René Roy
- Department
of Chemistry, Université du Québec à Montréal, P.O. Box
8888, Succ. Centre-Ville, Montréal, Québec, Canada
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Mikata Y, Takahashi K, Noguchi Y, Naemura M, Ugai A, Itami S, Yasuda K, Tamotsu S, Matsuo T, Storr T. Synthesis of Rhenium(I) Tricarbonyl Complexes with Carbohydrate-Pendant Tridentate Ligands and Their Cellular Uptake. Eur J Inorg Chem 2011. [DOI: 10.1002/ejic.201100953] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Ioannidou HA, Kizas C, Koutentis PA. Selective Stille coupling reactions of 3-chloro-5-halo(pseudohalo)-4H-1,2,6-thiadiazin-4-ones. Org Lett 2011; 13:5886-9. [PMID: 21988706 DOI: 10.1021/ol2025235] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A series of 3-chloro-5-halo(pseudohalo)-4H-1,2,6-thiadiazin-4-ones (halo/pseudohalo = Br, I, OTf) are prepared from 3,5-dichloro-4H-1,2,6-thiadiazin-4-one (3) in good yields. Of these the triflate reacts with tributyltin arenes (Stille couplings) chemoselectively to give only the 5-aryl-3-chloro-4H-1,2,6-thiadiazin-4-ones in high yields. This allowed the preparation of a series of unsymmetrical biaryl thiadiazines and ultimately a series of oligomers. Furthermore, treatment of 3-chloro-5-iodo-4H-1,2,6-thiadiazin-4-one (10) with Bu(3)SnH and Pd(OAc)(2) gave the bithiadiazinone which can also be further arylated via the Stille reaction to give bisthien-2-yl and bis(N-methylpyrrol-2-yl) analogs.
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Deniaud D, Julienne K, Gouin SG. Insights in the rational design of synthetic multivalent glycoconjugates as lectin ligands. Org Biomol Chem 2011; 9:966-79. [DOI: 10.1039/c0ob00389a] [Citation(s) in RCA: 124] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Sardzík R, Noble GT, Weissenborn MJ, Martin A, Webb SJ, Flitsch SL. Preparation of aminoethyl glycosides for glycoconjugation. Beilstein J Org Chem 2010; 6:699-703. [PMID: 20978609 PMCID: PMC2956404 DOI: 10.3762/bjoc.6.81] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2010] [Accepted: 07/21/2010] [Indexed: 11/23/2022] Open
Abstract
The synthesis of a number of aminoethyl glycosides of cell-surface carbohydrates, which are important intermediates for glycoarray synthesis, is described. A set of protocols was developed which provide these intermediates, in a short number of steps, from commercially available starting materials.
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Affiliation(s)
- Robert Sardzík
- Manchester Interdisciplinary Biocentre & School of Chemistry, The University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK.
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Abstract
From the authors' opinion, this chapter constitutes a modest extension of the seminal and inspiring contribution of Stowell and Lee on neoglycoconjugates published in this series [C. P. Stowell and Y. C. Lee, Adv. Carbohydr. Chem. Biochem., 37 (1980) 225-281]. The outstanding progresses achieved since then in the field of the "glycoside cluster effect" has witnessed considerable creativity in the design and synthetic strategies toward a vast array of novel carbohydrate structures and reflects the dynamic activity in the field even since the recent chapter by the Nicotra group in this series [F. Nicotra, L. Cipolla, F. Peri, B. La Ferla, and C. Radaelli, Adv. Carbohydr. Chem. Biochem., 61 (2007) 353-398]. Beyond the more classical neoglycoproteins and glycopolymers (not covered in this work) a wide range of unprecedented and often artistically beautiful multivalent and monodisperse nanostructures, termed glycodendrimers for the first time in 1993, has been created. This chapter briefly surveys the concept of multivalency involved in carbohydrate-protein interactions. The topic is also discussed in regard to recent steps undertaken in glycobiology toward identification of lead candidates using microarrays and modern analytical tools. A systematic description of glycocluster and glycodendrimer synthesis follows, starting from the simplest architectures and ending in the most complex ones. Presentation of multivalent glycostructures of intermediate size and comprising, calix[n]arene, porphyrin, cyclodextrin, peptide, and carbohydrate scaffolds, has also been intercalated to better appreciate the growing synthetic complexity involved. A subsection describing novel all-carbon-based glycoconjugates such as fullerenes and carbon nanotubes is inserted, followed by a promising strategy involving dendrons self-assembling around metal chelates. The chapter then ends with those glycodendrimers that have been prepared using commercially available dendrimers possessing varied functionalities, or systematically synthesized using either divergent or convergent strategies.
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Synthesis of galactosylated zinc bacteriochlorophyll-d analogs and their self-aggregation in an aqueous methanol solution. J Photochem Photobiol A Chem 2009. [DOI: 10.1016/j.jphotochem.2009.01.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Mindt T, Schweinsberg C, Brans L, Hagenbach A, Abram U, Tourwé D, Garcia-Garayoa E, Schibli R. A Click Approach to Structurally Diverse Conjugates Containing a Central Di-1,2,3-triazole Metal Chelate. ChemMedChem 2009; 4:529-39. [DOI: 10.1002/cmdc.200800418] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Chan YT, Moorefield CN, Newkome GR. Synthesis, characterization, and self-assembled nanofibers of carbohydrate-functionalized mono- and di(2,2′:6′,2″-terpyridinyl)arenes. Chem Commun (Camb) 2009:6928-30. [DOI: 10.1039/b914743h] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Constable EC, Housecroft CE, Mahmood A. New chiral oligopyridines—4,4′-bis(disaccharide)-functionalised 2,2′-bipyridines and 4′-(disaccharide)-functionalised 2,2′:6′,2′′-terpyridines. Carbohydr Res 2008; 343:2567-75. [DOI: 10.1016/j.carres.2008.08.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2007] [Revised: 07/16/2008] [Accepted: 08/02/2008] [Indexed: 12/01/2022]
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Zhi Z, Laurent N, Powell AK, Karamanska R, Fais M, Voglmeir J, Wright A, Blackburn JM, Crocker PR, Russell DA, Flitsch S, Field RA, Turnbull JE. A Versatile Gold Surface Approach for Fabrication and Interrogation of Glycoarrays. Chembiochem 2008; 9:1568-75. [DOI: 10.1002/cbic.200700788] [Citation(s) in RCA: 78] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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