Synthesis and biological activity of simplified denoviose-coumarins related to novobiocin as potent inhibitors of heat-shock protein 90 (hsp90)

  • Christine Radanyi
  • , Gaëlle Le Bras
  • , Samir Messaoudi
  • , Céline Bouclier
  • , Jean François Peyrat
  • , Jean Daniel Brion
  • , Véronique Marsaud
  • , Jack Michel Renoir
  • , Mouâd Alami

Research output: Contribution to journalArticlepeer-review

Abstract

A new series of coumarin inhibitors of hsp90 lacking the noviose moiety as well as substituents on C-7 and C-8 positions of the aromatic ring was synthesised and their hsp90 inhibitory activity has been delineated: for example, their capacity to induce the degradation of client proteins and to inhibit estradiol-induced transcription in human breast cancer cells. In cell proliferation assay, the most active compound 5g was ∼8 times more potent than the parent novobiocin natural compound.

Original languageEnglish
Pages (from-to)2495-2498
Number of pages4
JournalBioorganic and Medicinal Chemistry Letters
Volume18
Issue number7
DOIs
Publication statusPublished - 1 Apr 2008
Externally publishedYes

Keywords

  • Anti-tumour
  • Coumarin inhibitors
  • Novobiocin
  • Steroid receptors
  • hsp90

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