Design and synthesis of iso-allo-DNJ and L-isoDALDP derivatives: pursuit of potent and selective inhibitors of α-glucosidase

Lin-Feng Yang, Ming Zhang, Yuna Shimadate, Atsushi Kato, Tian-Yang Liu Hou, Yi-Xian Li, Yue-Mei Jia, George W J Fleet, Chu-Yi Yu

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

A series of iso-allo-DNJ and L-isoDALDP derivatives were synthesized from dithioacetal 16 with sequential and highly diastereoselective Ho and Henry reactions, and aziridinium intermediate-mediated ring rearrangement as key steps. Glycosidase inhibition assay found four of them as selective α-glucosidase inhibitors, and the less substituted compound 30 showed more potent α-glucosidase inhibition (IC50 = 9.3 μM) than the others. Molecular docking study revealed different docking modes of the iso-allo-DNJ and L-isoDALDP derivatives from their parent compounds, and also the similarity of compound 30 to isofagomine.

Original languageEnglish
Pages (from-to)3453-3464
Number of pages12
JournalOrganic and Biomolecular Chemistry
Volume21
Issue number16
DOIs
StatePublished - 2023/04/26

Keywords

  • alpha-Glucosidases/metabolism
  • Structure-Activity Relationship
  • Molecular Docking Simulation
  • Glycoside Hydrolase Inhibitors/pharmacology
  • Glycoside Hydrolases
  • Molecular Structure

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