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Manzano VE, Dada L, Uhrig ML, Varela O. Synthesis of sugar enones and their use as powerful synthetic precursors of thiodisaccharides. Carbohydr Res 2023; 529:108833. [PMID: 37216699 DOI: 10.1016/j.carres.2023.108833] [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: 02/23/2023] [Revised: 05/04/2023] [Accepted: 05/08/2023] [Indexed: 05/24/2023]
Abstract
Monosaccharide derivatives having a double bond conjugated to a carbonyl (sugar enones or enuloses) are relevant synthetic tools. They are also suitable starting materials, or versatile intermediates, for the synthesis of a wide variety of natural or synthetic compounds with a broad spectrum of biological and pharmacological activities. The preparation of enones is mainly focused on the search for more efficient and diastereoselective synthetic methodologies. The usefulness of enuloses relies on the diverse reaction possibilities offered by alkene and carbonyl double bonds, which are prone to undergo varied reactions such as halogenation, nitration, epoxidation, reduction, addition, etc. The addition of thiol groups that led to sulfur glycomimetics, such as thiooligosaccharides, is particularly relevant. Therefore, the synthesis of enuloses and the Michael addition of sulfur nucleophiles to give thiosugars or thiodisaccharides are discussed here. Chemical modifications of the conjugate addition products to afford biologically active compounds are also reported.
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Affiliation(s)
- Verónica E Manzano
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Orgánica, Intendente Güiraldes 2160, C1428EHA, Buenos Aires, Argentina; CONICET- Universidad de Buenos Aires, Centro de Investigaciones en Hidratos de Carbono (CIHIDECAR), Buenos Aires, Argentina
| | - Lucas Dada
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Orgánica, Intendente Güiraldes 2160, C1428EHA, Buenos Aires, Argentina; CONICET- Universidad de Buenos Aires, Centro de Investigaciones en Hidratos de Carbono (CIHIDECAR), Buenos Aires, Argentina
| | - María Laura Uhrig
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Orgánica, Intendente Güiraldes 2160, C1428EHA, Buenos Aires, Argentina; CONICET- Universidad de Buenos Aires, Centro de Investigaciones en Hidratos de Carbono (CIHIDECAR), Buenos Aires, Argentina.
| | - Oscar Varela
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Orgánica, Intendente Güiraldes 2160, C1428EHA, Buenos Aires, Argentina; CONICET- Universidad de Buenos Aires, Centro de Investigaciones en Hidratos de Carbono (CIHIDECAR), Buenos Aires, Argentina.
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Cañada FJ, Canales Á, Valverde P, de Toro BF, Martínez-Orts M, Phillips PO, Pereda A. Conformational and Structural characterization of carbohydrates and their interactions studied by NMR. Curr Med Chem 2021; 29:1147-1172. [PMID: 34225601 DOI: 10.2174/0929867328666210705154046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 04/30/2021] [Accepted: 05/12/2021] [Indexed: 11/22/2022]
Abstract
Carbohydrates, either free or as glycans conjugated with other biomolecules, participate in many essential biological processes. Their apparent simplicity in terms of chemical functionality hides an extraordinary diversity and structural complexity. Deeply deciphering at the atomic level their structures is essential to understand their biological function and activities, but it is still a challenging task in need of complementary approaches and no generalized procedures are available to address the study of such complex, natural glycans. The versatility of Nuclear Magnetic Resonance spectroscopy (NMR) often makes it the preferred choice to study glycans and carbohydrates in solution media. The most basic NMR parameters, namely chemical shifts, coupling constants and nuclear Overhauser effects, allow defining short or repetitive chain sequences and characterize their structures and local geometries either in the free state or when interacting with other biomolecules, rendering additional information on the molecular recognition processes. The increased accessibility to carbohydrate molecules extensively or selectively labeled with 13C boosts the resolution and detail that analyzed glycan structures can reach. In turn, structural information derived from NMR, complemented with molecular modeling and theoretical calculations can also provide dynamic information on the conformational flexibility of carbohydrate structures. Furthermore, using partially oriented media or paramagnetic perturbations, it has been possible to introduce additional long-range observables rendering structural information on longer and branched glycan chains. In this review, we provide examples of these studies and an overview of the recent and most relevant NMR applications in the glycobiology field.
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Affiliation(s)
- Francisco Javier Cañada
- Structural and Chemical Biology Department, Centro de Investigaciones Biológicas Margarita Salas, CSIC, 28040 Madrid, Spain
| | - Ángeles Canales
- Departamento de Química Orgánica I, Facultad Ciencias Químicas, Universidad Complutense de Madrid, Avd. Complutense s/n, C.P. 28040 Madrid, Spain
| | - Pablo Valverde
- Structural and Chemical Biology Department, Centro de Investigaciones Biológicas Margarita Salas, CSIC, 28040 Madrid, Spain
| | - Beatriz Fernández de Toro
- Structural and Chemical Biology Department, Centro de Investigaciones Biológicas Margarita Salas, CSIC, 28040 Madrid, Spain
| | - Mónica Martínez-Orts
- Departamento de Química Orgánica I, Facultad Ciencias Químicas, Universidad Complutense de Madrid, Avd. Complutense s/n, C.P. 28040 Madrid, Spain
| | - Paola Oquist Phillips
- Structural and Chemical Biology Department, Centro de Investigaciones Biológicas Margarita Salas, CSIC, 28040 Madrid, Spain
| | - Amaia Pereda
- Structural and Chemical Biology Department, Centro de Investigaciones Biológicas Margarita Salas, CSIC, 28040 Madrid, Spain
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Traverssi MG, Peñéñory AB, Varela O, Colomer JP. Photooxidation of thiosaccharides mediated by sensitizers in aerobic and environmentally friendly conditions. RSC Adv 2021; 11:9262-9273. [PMID: 35423421 PMCID: PMC8695230 DOI: 10.1039/d0ra09534f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 02/23/2021] [Indexed: 11/21/2022] Open
Abstract
A series of β-d-glucopyranosyl derivates have been synthesized and evaluated in photooxidation reactions promoted by visible light and mediated by organic dyes under aerobic conditions. Among the different photocatalysts employed, tetra-O-acetyl riboflavin afforded chemoselectively the respective sulfoxides, without over-oxidation to sulfones, in good to excellent yields and short reaction times. This new methodology for the preparation of synthetically useful glycosyl sulfoxides constitutes a catalytic, efficient, economical, and environmentally friendly oxidation process not reported so far for carbohydrates.
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Affiliation(s)
- Miqueas G Traverssi
- Departamento de Química Orgánica, Universidad Nacional de Córdoba, Facultad Ciencias Químicas, Ciudad Universitaria Edificio de Ciencias II Córdoba Argentina .,Instituto de Investigaciones en Fisico-Química de Córdoba (INFIQC), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), UNC Argentina
| | - Alicia B Peñéñory
- Departamento de Química Orgánica, Universidad Nacional de Córdoba, Facultad Ciencias Químicas, Ciudad Universitaria Edificio de Ciencias II Córdoba Argentina .,Instituto de Investigaciones en Fisico-Química de Córdoba (INFIQC), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), UNC Argentina
| | - Oscar Varela
- Departamento de Química Orgánica, Universidad de Buenos Aires, Facultad Ciencias Exactas y Naturales, Ciudad Universitaria Pab. 2, C1428EHA Buenos Aires Argentina.,Centro de Investigación en Hidratos de Carbono (CIHIDECAR), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), UBA Argentina
| | - Juan P Colomer
- Departamento de Química Orgánica, Universidad Nacional de Córdoba, Facultad Ciencias Químicas, Ciudad Universitaria Edificio de Ciencias II Córdoba Argentina .,Instituto de Investigaciones en Fisico-Química de Córdoba (INFIQC), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), UNC Argentina
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Carrizo AF, Argüello JE, Schmidt LC, Colomer JP. Thioglucopyranose Ligands Promote Phase‐Transfer of Cadmium Selenide Quantum Dots from Organic Solvents to Water. ChemistrySelect 2020. [DOI: 10.1002/slct.202003955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Antonella F. Carrizo
- Department of Organic Chemistry INFIQC-CONICET-UNC Haya de la Torre esq. Medina Allende s/n Ciudad Universitaria Córdoba Argentina
| | - Juan E. Argüello
- Department of Organic Chemistry INFIQC-CONICET-UNC Haya de la Torre esq. Medina Allende s/n Ciudad Universitaria Córdoba Argentina
| | - Luciana C. Schmidt
- Department of Organic Chemistry INFIQC-CONICET-UNC Haya de la Torre esq. Medina Allende s/n Ciudad Universitaria Córdoba Argentina
| | - Juan P. Colomer
- Department of Organic Chemistry INFIQC-CONICET-UNC Haya de la Torre esq. Medina Allende s/n Ciudad Universitaria Córdoba Argentina
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Dada L, Manzano VE, Varela O. Design and Synthesis of 2-Acetamido-2,3-dideoxythiodisaccharides via Diastereoselective Conjugate Addition to Sugar Enone O-Acetyl Oximes. Galactosidase Inhibition Studies. Org Lett 2018; 20:6225-6228. [DOI: 10.1021/acs.orglett.8b02692] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Lucas Dada
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Orgánica, Pabellón 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
- CONICET-UBA, Centro de Investigación en Hidratos de Carbono (CIHIDECAR), C1425FQB Buenos Aires, Argentina
| | - Verónica E. Manzano
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Orgánica, Pabellón 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
- CONICET-UBA, Centro de Investigación en Hidratos de Carbono (CIHIDECAR), C1425FQB Buenos Aires, Argentina
| | - Oscar Varela
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Orgánica, Pabellón 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
- CONICET-UBA, Centro de Investigación en Hidratos de Carbono (CIHIDECAR), C1425FQB Buenos Aires, Argentina
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Bilaterale Preise europäischer chemischer Gesellschaften. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201711378] [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]
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Colomer JP, Peñéñory AB, Varela O. Internal asymmetric induction by the C-6 substituent on the oxidation reaction of interglycosidic sulfur atom of thiodisaccharides. RSC Adv 2017. [DOI: 10.1039/c7ra07225b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Complete diastereoselectivity was archived in the oxidation of 3-deoxy-S-(1-4)-disaccharides due to anchimeric assistance of the terminal CH2OH group.
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Affiliation(s)
- J. P. Colomer
- Instituto de Investigaciones en Fisico-Química de Córdoba – Universidad Nacional de Córdoba (INFIQC-UNC-CONICET)
- Facultad de Ciencias Químicas
- Departamento de Química Orgánica
- Edificio de Ciencias 2
- Ciudad Universitaria
| | - A. B. Peñéñory
- Instituto de Investigaciones en Fisico-Química de Córdoba – Universidad Nacional de Córdoba (INFIQC-UNC-CONICET)
- Facultad de Ciencias Químicas
- Departamento de Química Orgánica
- Edificio de Ciencias 2
- Ciudad Universitaria
| | - O. Varela
- Universidad de Buenos Aires
- Facultad de Ciencias Exactas y Naturales
- Departamento de Química Orgánica
- Pabellón 2
- Ciudad Universitaria
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