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Synthesis, antileishmanial activity and cytotoxicity of 2,3-diaryl- and 2,3,8-trisubstituted imidazo[1,2-a]pyrazines

  • Pascal Marchand
  • , Marc Antoine Bazin
  • , Fabrice Pagniez
  • , Guillaume Rivière
  • , Lizeth Bodero
  • , Sophie Marhadour
  • , Marie Renée Nourrisson
  • , Carine Picot
  • , Sandrine Ruchaud
  • , Stéphane Bach
  • , Blandine Baratte
  • , Michel Sauvain
  • , Denis Castillo Pareja
  • , Abraham J. Vaisberg
  • , Patrice Le Pape
  • UFR des Sciences Pharmaceutiques et Biologiques
  • Pierre and Marie Curie University Paris 06
  • Convenio IRD-PeruPetro
  • Université de Toulouse
  • Universidad Peruana Cayetano Heredia

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

A series of original 2-phenyl-3-(pyridin-4-yl)imidazo[1,2-a]pyrazines and the 3-iodo precursors, bearing a polar moiety at the C-8 position, was synthesized and evaluated for their antileishmanial activities. Two derivatives exhibited very good activity against the promastigote and the amastigote forms of Leishmania major in the micromolar to submicromolar ranges, coupled with a low cytotoxicity against macrophages and 3T3 mouse fibroblast cells. Through LmCK1 inhibition assay, investigations of the putative molecular target of these promising antileishmanial compounds will be discussed.

Original languageEnglish
Pages (from-to)381-395
Number of pages15
JournalEuropean Journal of Medicinal Chemistry
Volume103
DOIs
StatePublished - 20 Oct 2015

Keywords

  • Antileishmanial activity
  • Casein kinase 1
  • Direct arylation
  • Imidazo[1 2-a]pyrazines

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