Discovery of the Aryl-phospho-indole IDX899, a Highly Potent Anti-HIV Non-nucleoside Reverse Transcriptase Inhibitor

  • J Med Chem. 2016 Mar 10;59(5):1891-8. doi: 10.1021/acs.jmedchem.5b01430.
Cyril Dousson  1 François-René Alexandre  1 Agnès Amador  1 Séverine Bonaric  1 Stéphanie Bot  1 Catherine Caillet  1 Thierry Convard  1 Daniel da Costa  1 Marie-Pierre Lioure  1 Arlène Roland  1 Elodie Rosinovsky  1 Sébastien Maldonado  1 Christophe Parsy  1 Christophe Trochet  1 Richard Storer  1 Alistair Stewart  2 Jingyang Wang  2 Benjamin A Mayes  2 Chiara Musiu  2 Barbara Poddesu  2 Luana Vargiu  2 Michel Liuzzi  2 Adel Moussa  2 Jocelyn Jakubik  2 Luke Hubbard  2 Maria Seifer  2 David Standring  2
Affiliations
  • 1. IDENIX, an MSD Company , 1682 rue de la Valsière, Cap Gamma, BP 50001, 34189 Cedex 4 Montpellier, France.
  • 2. IDENIX , 320 Bent Street, 4th Floor, Cambridge, Massachusetts 02139, United States.
Abstract

Here, we describe the design, synthesis, biological evaluation, and identification of a clinical candidate non-nucleoside Reverse Transcriptase inhibitors (NNRTIs) with a novel aryl-phospho-indole (APhI) scaffold. NNRTIs are recommended components of highly active antiretroviral therapy (HAART) for the treatment of HIV-1. Since a major problem associated with NNRTI treatment is the emergence of drug resistant virus, this work focused on optimization of the APhI against clinically relevant HIV-1 Y181C and K103N mutants and the Y181C/K103N double mutant. Optimization of the phosphinate aryl substituent led to the discovery of the 3-Me,5-acrylonitrile-phenyl analogue RP-13s (IDX899) having an EC50 of 11 nM against the Y181C/K103N double mutant.