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Meneghetti M, Naughton L, O’Shea C, Koffi Teki DSE, Chagnault V, Nader HB, Rudd TR, Yates EA, Kovensky J, Miller GJ, Lima MA. Using NMR to Dissect the Chemical Space and O-Sulfation Effects within the O- and S-Glycoside Analogues of Heparan Sulfate. ACS Omega 2022; 7:24461-24467. [PMID: 35874203 PMCID: PMC9301708 DOI: 10.1021/acsomega.2c02070] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Heparan sulfate (HS), a sulfated linear carbohydrate that decorates the cell surface and extracellular matrix, is ubiquitously distributed throughout the animal kingdom and represents a key regulator of biological processes and a largely untapped reservoir of potential therapeutic targets. The temporal and spatial variations in the HS structure underpin the concept of "heparanome" and a complex network of HS binding proteins. However, despite its widespread biological roles, the determination of direct structure-to-function correlations is impaired by HS chemical heterogeneity. Attempts to correlate substitution patterns (mostly at the level of sulfation) with a given biological activity have been made. Nonetheless, these do not generally consider higher-level conformational effects at the carbohydrate level. Here, the use of NMR chemical shift analysis, NOEs, and spin-spin coupling constants sheds new light on how different sulfation patterns affect the polysaccharide backbone geometry. Furthermore, the substitution of native O-glycosidic linkages to hydrolytically more stable S-glycosidic forms leads to observable conformational changes in model saccharides, suggesting that alternative chemical spaces can be accessed and explored using such mimetics. Employing a series of systematically modified heparin oligosaccharides (as a proxy for HS) and chemically synthesized O- and S-glycoside analogues, the chemical space occupied by such compounds is explored and described.
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Affiliation(s)
- Maria
C.Z. Meneghetti
- Departamento
de Bioquímica, Instituto de Farmacologia e Biologia Molecular,
Escola Paulista de Medicina, Universidade
Federal de São Paulo, Rua Três de Maio, 100, São Paulo 04044-020, São Paulo, Brazil
| | - Lucy Naughton
- School
of Life Sciences, Keele University, Keele ST55BG, Staffordshire, U.K.
- Centre
for Glycosciences, Keele University, Keele ST55BG, Staffordshire, U.K.
| | - Conor O’Shea
- Centre
for Glycosciences, Keele University, Keele ST55BG, Staffordshire, U.K.
- Lennard-Jones
Laboratories, School of Chemical and Physical Sciences, Keele University, Keele ST55BG, Staffordshire, U.K.
| | - Dindet S.-E. Koffi Teki
- Laboratoire
de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR
7378 CNRS, Université de Picardie
Jules Verne, 33 rue Saint Leu, Amiens Cedex F-80039, France
| | - Vincent Chagnault
- Laboratoire
de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR
7378 CNRS, Université de Picardie
Jules Verne, 33 rue Saint Leu, Amiens Cedex F-80039, France
| | - Helena B. Nader
- Departamento
de Bioquímica, Instituto de Farmacologia e Biologia Molecular,
Escola Paulista de Medicina, Universidade
Federal de São Paulo, Rua Três de Maio, 100, São Paulo 04044-020, São Paulo, Brazil
| | - Timothy R. Rudd
- National
Institute for Biological Standards and Control (NIBSC), Blanche Lane, South Mimms, Potters Bar EN6 3QG, Hertfordshire, U.K.
- Department
of Biochemistry and Systems Biology, Institute of Systems, Molecular
and Integrative Biology, University of Liverpool, Liverpool L69 7ZB, U.K.
| | - Edwin A. Yates
- Department
of Biochemistry and Systems Biology, Institute of Systems, Molecular
and Integrative Biology, University of Liverpool, Liverpool L69 7ZB, U.K.
| | - José Kovensky
- Laboratoire
de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR
7378 CNRS, Université de Picardie
Jules Verne, 33 rue Saint Leu, Amiens Cedex F-80039, France
| | - Gavin J. Miller
- Centre
for Glycosciences, Keele University, Keele ST55BG, Staffordshire, U.K.
- Lennard-Jones
Laboratories, School of Chemical and Physical Sciences, Keele University, Keele ST55BG, Staffordshire, U.K.
| | - Marcelo A. Lima
- School
of Life Sciences, Keele University, Keele ST55BG, Staffordshire, U.K.
- Centre
for Glycosciences, Keele University, Keele ST55BG, Staffordshire, U.K.
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Koffi Teki DSE, Coulibaly B, Bil A, Vallin A, Lesur D, Fanté B, Chagnault V, Kovensky J. Synthesis of novel S- and O-disaccharide analogs of heparan sulfate for heparanase inhibition. Org Biomol Chem 2022; 20:3528-3534. [PMID: 35388870 DOI: 10.1039/d2ob00250g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Heparan sulfate (HS), a glycosaminoglycan related to heparin, is a linear polysaccharide, consisting of repeating disaccharide units. This compound is involved in multiple biological processes such as inflammation, coagulation, angiogenesis and viral infections. Our work focuses on the synthesis of simple HS analogs for the study of structure-activity relationships, with the aim of modulating these biological activities. Thioglycoside analogs, in which the interglycosidic oxygen is replaced by a sulfur atom, are very interesting compounds in terms of therapeutic applications. Indeed, the thioglycosidic bond leads to an improvement of their stability and can allow the inhibition of enzymes involved in physiological and pathological processes. In our previous work, we developed a synthetic sequence which led to a non-sulfated thiodisaccharide analog of HS. In this paper, we report our results of the development of a new synthetic method allowing access to the novel sulfated S-disaccharide, as well as to their oxygenated analogues (O-disaccharide and sulfated O-disaccharide). These 4 compounds were also tested for the inhibition of heparanase, an enzyme involved in biological processes like tumor growth and inflammation. The obtained IC50 values in the micromolar range showed the impact of the interglycosidic sulfur atom and the 6-sulfate group.
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Affiliation(s)
- D S-E Koffi Teki
- Laboratoire de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR 7378 CNRS, Université de Picardie Jules Verne, 33 rue Saint Leu, F-80039 Amiens Cedex, France.
| | - B Coulibaly
- Laboratoire de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR 7378 CNRS, Université de Picardie Jules Verne, 33 rue Saint Leu, F-80039 Amiens Cedex, France. .,Laboratoire de Constitution et Réaction de la Matière (LCRM), Université Félix Houphouët-Boigny (UFHB) de Cocody - Côte d'Ivoire, 22 BP 582 Abidjan 22, Côte d'Ivoire
| | - A Bil
- Laboratoire de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR 7378 CNRS, Université de Picardie Jules Verne, 33 rue Saint Leu, F-80039 Amiens Cedex, France.
| | - A Vallin
- Laboratoire de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR 7378 CNRS, Université de Picardie Jules Verne, 33 rue Saint Leu, F-80039 Amiens Cedex, France.
| | - D Lesur
- Laboratoire de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR 7378 CNRS, Université de Picardie Jules Verne, 33 rue Saint Leu, F-80039 Amiens Cedex, France.
| | - B Fanté
- Laboratoire de Constitution et Réaction de la Matière (LCRM), Université Félix Houphouët-Boigny (UFHB) de Cocody - Côte d'Ivoire, 22 BP 582 Abidjan 22, Côte d'Ivoire
| | - V Chagnault
- Laboratoire de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR 7378 CNRS, Université de Picardie Jules Verne, 33 rue Saint Leu, F-80039 Amiens Cedex, France.
| | - J Kovensky
- Laboratoire de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR 7378 CNRS, Université de Picardie Jules Verne, 33 rue Saint Leu, F-80039 Amiens Cedex, France.
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Camara TE, Koffi Teki DSE, Chagnault V. Metal-free hydroxy and aminocyanation of furanos-3-uloses. Carbohydr Res 2021; 511:108486. [PMID: 34915327 DOI: 10.1016/j.carres.2021.108486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 11/05/2021] [Accepted: 11/29/2021] [Indexed: 11/25/2022]
Abstract
TSAO-T and ATSAO-T analogues are molecules of interest that are able to inhibit the reverse transcriptase (RT) of HIV-1 and HCV. We also recently highlighted their antiproliferative properties. In all cases, the spiro cycle was a required group for biological activities, which led chemists to produce many derivatives, especially on this ring. These structures can be accessed through the formation of glycoaminonitriles and glycocyanhydrins using methodologies not always adapted to the synthesis of large quantities. Moreover, these latter are poorly versatile (substrate-dependent), need expensive cyanogenic agents and implies the use of a metal in non-catalytic amounts. For this reason, we report here a new metal-free methodology for the synthesis of glycoaminonitriles and glycocyanhydrins using molecular iodine (I2).
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Affiliation(s)
- Tchambaga Etienne Camara
- Laboratoire de Constitution et Réaction de la Matière, Université Félix Houphouët-Boigny (UFHB) de Cocody - Côte d'Ivoire, 22 BP 582, Abidjan, 22, Cote d'Ivoire
| | - Dindet Steve-Evanes Koffi Teki
- Laboratoire de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR 7378 CNRS, Université de Picardie Jules Verne, 33 rue Saint Leu, F-80039, Amiens Cedex, France
| | - Vincent Chagnault
- Laboratoire de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR 7378 CNRS, Université de Picardie Jules Verne, 33 rue Saint Leu, F-80039, Amiens Cedex, France.
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Abdellahi B, Bois R, Golonu S, Pourceau G, Lesur D, Chagnault V, Drelich A, Pezron I, Nesterenko A, Wadouachi A. Synthesis and interfacial properties of new 6-sulfate sugar-based anionic surfactants. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153113] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Koffi Teki DSE, Bil A, Moreau V, Chagnault V, Fanté B, Adjou A, Kovensky J. Synthesis of multivalent S-glycoside analogs of a heparan sulfate sequence. Org Chem Front 2019. [DOI: 10.1039/c9qo00581a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
In this article, we report on the synthesis of new glycoclusters with thiodisaccharide units, S-analogs of heparan sulfate.
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Affiliation(s)
- Dindet Steve-Evanes Koffi Teki
- Laboratoire de Chimie Organique et de Substances Naturelles
- UFR SSMT
- Université Félix Houphouët-Boigny
- 22 B.P. 582 Abidjan 22
- Republic of Ivory Coast
| | - Abed Bil
- Laboratoire de Glycochimie
- des Antimicrobiens et des Agroressources (LG2A)
- UMR 7378 CNRS
- Université de Picardie Jules Verne
- F-80039 Amiens Cedex
| | - Vincent Moreau
- Laboratoire de Glycochimie
- des Antimicrobiens et des Agroressources (LG2A)
- UMR 7378 CNRS
- Université de Picardie Jules Verne
- F-80039 Amiens Cedex
| | - Vincent Chagnault
- Laboratoire de Glycochimie
- des Antimicrobiens et des Agroressources (LG2A)
- UMR 7378 CNRS
- Université de Picardie Jules Verne
- F-80039 Amiens Cedex
| | - Bamba Fanté
- Laboratoire de Chimie Organique et de Substances Naturelles
- UFR SSMT
- Université Félix Houphouët-Boigny
- 22 B.P. 582 Abidjan 22
- Republic of Ivory Coast
| | - Ané Adjou
- Laboratoire de Chimie Organique et de Substances Naturelles
- UFR SSMT
- Université Félix Houphouët-Boigny
- 22 B.P. 582 Abidjan 22
- Republic of Ivory Coast
| | - José Kovensky
- Laboratoire de Glycochimie
- des Antimicrobiens et des Agroressources (LG2A)
- UMR 7378 CNRS
- Université de Picardie Jules Verne
- F-80039 Amiens Cedex
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6
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Camara T, Bil A, Chagnault V. Metal-free oxidative esterification of benzylated monosaccharides. Carbohydr Res 2018; 462:45-49. [DOI: 10.1016/j.carres.2018.04.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 04/10/2018] [Accepted: 04/10/2018] [Indexed: 11/30/2022]
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Lu B, Miao Y, Vigneron P, Chagnault V, Grand E, Wadouachi A, Postel D, Pezron I, Egles C, Vayssade M. Measurement of cytotoxicity and irritancy potential of sugar-based surfactants on skin-related 3D models. Toxicol In Vitro 2017; 40:305-312. [PMID: 28163247 DOI: 10.1016/j.tiv.2017.02.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Revised: 01/10/2017] [Accepted: 02/01/2017] [Indexed: 11/27/2022]
Abstract
Sugar-based surfactants present surface-active properties and relatively low cytotoxicity. They are often considered as safe alternatives to currently used surfactants in cosmetic industries. In this study, four sugar-based surfactants, each with an eight carbon alkyl chain bound to a glucose or a maltose headgroup through an amide linkage, were synthesized and compared to two standard surfactants. The cytotoxic and irritant effects of surfactants were evaluated using two biologically relevant models: 3D dermal model (mouse fibroblasts embedded in collagen gel) and reconstituted human epidermis (RHE, multi-layered human keratinocytes). Results show that three synthesized surfactants possess lower cytotoxicity compared to standard surfactants as demonstrated in the 3D dermal model. Moreover, the IC50s of surfactants against the 3D dermal model are higher than IC50s obtained with the 2D dermal model (monolayer mouse fibroblasts). Both synthesized and standard surfactants show no irritant effects after 48h of topical application on RHE. Throughout the study, we demonstrate the difficulty to link the physico-chemical properties of surfactants and their cytotoxicity in complex models. More importantly, our data suggest that, prior to in vivo tests, a complete understanding of surfactant cytotoxicity or irritancy potential requires a combination of cellular and tissue models.
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Affiliation(s)
- Biao Lu
- Sorbonne Universités, Université de Technologie de Compiègne, UMR CNRS 7338 BMBI, Rue du Dr Schweitzer, 60200 Compiègne, France; Sorbonne Universités, Université de Technologie de Compiègne, EA TIMR 4297, Rue du Dr Schweitzer, 60200 Compiègne, France
| | - Yong Miao
- Université de Picardie Jules Verne, LG2A, CNRS UMR 7378, Institut de Chimie de Picardie CNRS FR 3085, 33 rue Saint Leu, 80039 Amiens Cedex, France
| | - Pascale Vigneron
- Sorbonne Universités, Université de Technologie de Compiègne, UMR CNRS 7338 BMBI, Rue du Dr Schweitzer, 60200 Compiègne, France
| | - Vincent Chagnault
- Université de Picardie Jules Verne, LG2A, CNRS UMR 7378, Institut de Chimie de Picardie CNRS FR 3085, 33 rue Saint Leu, 80039 Amiens Cedex, France
| | - Eric Grand
- Université de Picardie Jules Verne, LG2A, CNRS UMR 7378, Institut de Chimie de Picardie CNRS FR 3085, 33 rue Saint Leu, 80039 Amiens Cedex, France
| | - Anne Wadouachi
- Université de Picardie Jules Verne, LG2A, CNRS UMR 7378, Institut de Chimie de Picardie CNRS FR 3085, 33 rue Saint Leu, 80039 Amiens Cedex, France
| | - Denis Postel
- Université de Picardie Jules Verne, LG2A, CNRS UMR 7378, Institut de Chimie de Picardie CNRS FR 3085, 33 rue Saint Leu, 80039 Amiens Cedex, France
| | - Isabelle Pezron
- Sorbonne Universités, Université de Technologie de Compiègne, EA TIMR 4297, Rue du Dr Schweitzer, 60200 Compiègne, France
| | - Christophe Egles
- Sorbonne Universités, Université de Technologie de Compiègne, UMR CNRS 7338 BMBI, Rue du Dr Schweitzer, 60200 Compiègne, France; Tufts University, Department of Oral and Maxillofacial Pathology, School of Dental Medicine, Boston, MA, United States
| | - Muriel Vayssade
- Sorbonne Universités, Université de Technologie de Compiègne, UMR CNRS 7338 BMBI, Rue du Dr Schweitzer, 60200 Compiègne, France.
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Lu B, Vayssade M, Miao Y, Chagnault V, Grand E, Wadouachi A, Postel D, Drelich A, Egles C, Pezron I. Physico-chemical properties and cytotoxic effects of sugar-based surfactants: Impact of structural variations. Colloids Surf B Biointerfaces 2016; 145:79-86. [PMID: 27137806 DOI: 10.1016/j.colsurfb.2016.04.044] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2015] [Revised: 04/16/2016] [Accepted: 04/23/2016] [Indexed: 11/29/2022]
Abstract
Surfactants derived from the biorefinery process can present interesting surface-active properties, low cytotoxicity, high biocompatibility and biodegradability. They are therefore considered as potential sustainable substitutes to currently used petroleum-based surfactants. To better understand and anticipate their performances, structure-property relationships need to be carefully investigated. For this reason, we applied a multidisciplinary approach to systematically explore the effect of subtle structural variations on both physico-chemical properties and biological effects. Four sugar-based surfactants, each with an eight carbon alkyl chain bound to a glucose or maltose head group by an amide linkage, were synthesized and evaluated together along with two commercially available standard surfactants. Physico-chemical properties including solubility, Krafft point, surface-tension lowering and critical micellar concentration (CMC) in water and biological medium were explored. Cytotoxicity evaluation by measuring proliferation index and metabolic activity against dermal fibroblasts showed that all surfactants studied may induce cell death at low concentrations (below their CMC). Results revealed significant differences in both physico-chemical properties and cytotoxic effects depending on molecule structural features, such as the position of the linkage on the sugar head-group, or the orientation of the amide linkage. Furthermore, the cytotoxic response increased with the reduction of surfactant CMC. This study underscores the relevance of a methodical and multidisciplinary approach that enables the consideration of surfactant solution properties when applied to biological materials. Overall, our results will contribute to a better understanding of the concomitant impact of surfactant structure at physico-chemical and biological levels.
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Affiliation(s)
- Biao Lu
- Sorbonne Université, Université de Technologie de Compiègne, UMR CNRS 7338 BMBI, Rue du Dr Schweitzer, 60200 Compiègne, France; Sorbonne Université, Université de Technologie de Compiègne, EA TIMR 4297 UTC/ESCOM, Rue du Dr Schweitzer, 60200 Compiègne, France
| | - Muriel Vayssade
- Sorbonne Université, Université de Technologie de Compiègne, UMR CNRS 7338 BMBI, Rue du Dr Schweitzer, 60200 Compiègne, France
| | - Yong Miao
- Université de Picardie Jules Verne, LG2A, CNRS FRE 3517, Institut de Chimie de Picardie CNRS FR 3085, 33 rue Saint Leu, 80039 Amiens cedex, France
| | - Vincent Chagnault
- Université de Picardie Jules Verne, LG2A, CNRS FRE 3517, Institut de Chimie de Picardie CNRS FR 3085, 33 rue Saint Leu, 80039 Amiens cedex, France
| | - Eric Grand
- Université de Picardie Jules Verne, LG2A, CNRS FRE 3517, Institut de Chimie de Picardie CNRS FR 3085, 33 rue Saint Leu, 80039 Amiens cedex, France
| | - Anne Wadouachi
- Université de Picardie Jules Verne, LG2A, CNRS FRE 3517, Institut de Chimie de Picardie CNRS FR 3085, 33 rue Saint Leu, 80039 Amiens cedex, France
| | - Denis Postel
- Université de Picardie Jules Verne, LG2A, CNRS FRE 3517, Institut de Chimie de Picardie CNRS FR 3085, 33 rue Saint Leu, 80039 Amiens cedex, France
| | - Audrey Drelich
- Sorbonne Université, Université de Technologie de Compiègne, EA TIMR 4297 UTC/ESCOM, Rue du Dr Schweitzer, 60200 Compiègne, France
| | - Christophe Egles
- Sorbonne Université, Université de Technologie de Compiègne, UMR CNRS 7338 BMBI, Rue du Dr Schweitzer, 60200 Compiègne, France; Tufts University, Department of Oral and Maxillofacial Pathology, School of Dental Medicine, Boston, MA, United States
| | - Isabelle Pezron
- Sorbonne Université, Université de Technologie de Compiègne, EA TIMR 4297 UTC/ESCOM, Rue du Dr Schweitzer, 60200 Compiègne, France.
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Fusaro MB, Chagnault V, Postel D. Reactivity of d-fructose and d-xylose in acidic media in homogeneous phases. Carbohydr Res 2015; 409:9-19. [DOI: 10.1016/j.carres.2015.03.012] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Revised: 03/20/2015] [Accepted: 03/23/2015] [Indexed: 11/29/2022]
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Zhao Y, Liu M, Chagnault V, Wang J, Zhang X, Murphy PV. Biological study of a somatostatin mimetic based on the 1-deoxynojrimycin scaffold. Bioorg Med Chem Lett 2011; 21:824-8. [DOI: 10.1016/j.bmcl.2010.11.088] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2010] [Revised: 11/17/2010] [Accepted: 11/18/2010] [Indexed: 12/01/2022]
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Chagnault V, Compain P, Lewinski K, Ikeda K, Asano N, Martin OR. Stereodivergent Access to Polyhydroxylated 10-Azabicyclo[4.3.1]decanes as New Calystegine Analogues. J Org Chem 2009; 74:3179-82. [DOI: 10.1021/jo900235d] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Vincent Chagnault
- Institut de Chimie Organique et Analytique, Université d’Orléans-CNRS UMR 6005, BP 6759, 45067 Orléans, France, Faculty of Chemistry, Jagiellonian University, ul. R. Ingardena 3, 30-060 Krakow, Poland, and Faculty of Pharmaceutical Sciences, Hokuriku University, Kanazawa 920-1181, Japan
| | - Philippe Compain
- Institut de Chimie Organique et Analytique, Université d’Orléans-CNRS UMR 6005, BP 6759, 45067 Orléans, France, Faculty of Chemistry, Jagiellonian University, ul. R. Ingardena 3, 30-060 Krakow, Poland, and Faculty of Pharmaceutical Sciences, Hokuriku University, Kanazawa 920-1181, Japan
| | - Krzysztof Lewinski
- Institut de Chimie Organique et Analytique, Université d’Orléans-CNRS UMR 6005, BP 6759, 45067 Orléans, France, Faculty of Chemistry, Jagiellonian University, ul. R. Ingardena 3, 30-060 Krakow, Poland, and Faculty of Pharmaceutical Sciences, Hokuriku University, Kanazawa 920-1181, Japan
| | - Kyoko Ikeda
- Institut de Chimie Organique et Analytique, Université d’Orléans-CNRS UMR 6005, BP 6759, 45067 Orléans, France, Faculty of Chemistry, Jagiellonian University, ul. R. Ingardena 3, 30-060 Krakow, Poland, and Faculty of Pharmaceutical Sciences, Hokuriku University, Kanazawa 920-1181, Japan
| | - Naoki Asano
- Institut de Chimie Organique et Analytique, Université d’Orléans-CNRS UMR 6005, BP 6759, 45067 Orléans, France, Faculty of Chemistry, Jagiellonian University, ul. R. Ingardena 3, 30-060 Krakow, Poland, and Faculty of Pharmaceutical Sciences, Hokuriku University, Kanazawa 920-1181, Japan
| | - Olivier R. Martin
- Institut de Chimie Organique et Analytique, Université d’Orléans-CNRS UMR 6005, BP 6759, 45067 Orléans, France, Faculty of Chemistry, Jagiellonian University, ul. R. Ingardena 3, 30-060 Krakow, Poland, and Faculty of Pharmaceutical Sciences, Hokuriku University, Kanazawa 920-1181, Japan
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Chagnault V, Lalot J, Murphy P. Cover Picture: Synthesis of Somatostatin Mimetics Based on 1‐Deoxynojirimycin (ChemMedChem 7/2008). ChemMedChem 2008. [DOI: 10.1002/cmdc.200890026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Chagnault V, Thibaudeau S, Jouannetaud MP, Jacquesy JC, Cousson A, Bachmann C. Rearrangement and fluorination of quinidinone in superacid. J Fluor Chem 2007. [DOI: 10.1016/j.jfluchem.2006.09.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Chagnault V, Jouannetaud MP, Jacquesy JC. Reaction of quinine, 9-epiquinine and their acetates in superacid in the presence of hydrogen peroxide: an access to new fluorhydrins and/or ketones. Tetrahedron Lett 2006. [DOI: 10.1016/j.tetlet.2006.06.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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