Anticancer properties and mechanism of action of the fungal nucleoside clitocine and its derivatives

Bailly, Christian

doi:10.1016/j.ejmcr.2023.100123

Cited by 1 publication

(1 citation statement)

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“…N -Arylation of carbohydrates is an important chemical transformation to a wealth of biologically active carbohydrates. N -Aryl glycosides have been reported to possess multiple biological activities including anticancer, antiviral, and antibacterial activities. − Direct preparation of β- N -aryl glycosides was first investigated according to a methodology using ammonium sulfate (NH 4 ) 2 SO 4 as a mildly acid catalyst and heating in protic solvents such as water or methanol. (NH 4 ) 2 SO 4 proved to be useful for the synthesis of N -phenantroline glycosylamines or for the preparation of maltose-based hydrogelators .…”

Section: Resultsmentioning

confidence: 99%

Microwave-Assisted Synthesis of β-N-Aryl Glycoamphiphiles with Diverse Supramolecular Assemblies and Lectin Accessibility

Abdallah,

Gillon,

Rannou

et al. 2024

Bioconjugate Chem.

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Glycoamphiphiles have attracted considerable interest in a broad range of application fields owing to their solution and bulk-state self-assembly abilities. Despite their importance, the straightforward synthesis of glycoamphiphiles consisting of a hydrophilic carbohydrate linked to a hydrophobic aglycone remains one of the major challenges in glycosciences. Here, a rapid, simple, and efficient synthetic access to chemically stable glycoamphiphiles at physiological pH, namely, N-(β-d-glycosyl)-2-alkylbenzamide, is reported. It leverages the nonreductive amination of unprotected carbohydrates with ortho-substituted aniline derivatives which could be readily obtained by reacting commercially available primary alkylamines with isatoic anhydride. This strategy avoids protection and deprotection of sugar hydroxyl groups and the use of reductive agents, which makes it advantageous in terms of atom and step economy. Moreover, in order to circumvent the cons of classical N-aryl glycosylation, we investigate the use of microwave as a heat source that provides fast, clean, and high-yield β-N-arylation of unprotected carbohydrates. Their self-assembly into water led to multiple morphologies of dynamic supramolecular glycoamphiphiles that were characterized to assess their ability to bind to lectins from pathogenic bacteria. Biophysical interactions probed by isothermal titration microcalorimetry revealed micromolar affinities for most of the synthesized glycoamphiphiles.

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