Design and synthesis of sulfoximine based inhibitors for HIV-1 protease

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Abstract

A new class of potent sulfoximine inhibitors for HIV-1 protease has been designed and synthesized. Substitution of the sulfoximine moiety into different parent compounds yields different inhibition effects. While our previously studied sulfoximine-based inhibitors display potency of 2.5 nM (IC50) against HIV-1 protease, introduction of the sulfoximine moiety into the asymmetric Indinavir yielded only micromolar inhibition. Docking studies showed structural variations in their modes of binding which explains this unexpected observation. The implication of these observations in the development of other sulfoximine inhibitors is discussed.

Original languageEnglish (US)
Pages (from-to)5406-5410
Number of pages5
JournalBioorganic and Medicinal Chemistry Letters
Volume18
Issue number20
DOIs
StatePublished - Oct 15 2008

Bibliographical note

Funding Information:
This research work was supported by the Center for Drug Design (CDD) at the University of Minnesota. We thank Ms. Christine Dreis, CDD for HIV protease assay. We thank the Minnesota Supercomputing Institute at the University of Minnesota for computational resources.

Keywords

  • Crystallographic water
  • Docking studies
  • HAART
  • HIV protease
  • Indinavir
  • Sulfoximine
  • TSM binding
  • Transition state mimic

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