Piperazine-based CCR5 antagonists as HIV-1 inhibitors. IV. Discovery of 1-[(4,6-dimethyl-5-pyrimidinyl)carbonyl]- 4-[4-[2-methoxy-1(R)-4-(trifluoromethyl)phenyl]ethyl-3(S)-methyl-1-piperazinyl]- 4-methylpiperidine (Sch-417690/Sch-D), a potent, highly selective, and orally bioavailable CCR5 antagonist

  • J Med Chem. 2004 May 6;47(10):2405-8. doi: 10.1021/jm0304515.
Jayaram R Tagat  1 ,  Stuart W McCombie ,  Dennis Nazareno ,  Marc A Labroli ,  Yushi Xiao ,  Ruo W Steensma ,  Julie M Strizki ,  Bahige M Baroudy ,  Kathleen Cox ,  Jean Lachowicz ,  Geoffrey Varty ,  Robert Watkins
Affiliations
  • 1. Schering-Plough Research Institute, K-15-2B-2800, 2015 Galloping Hill Road, Kenilworth, New Jersey 07033, USA. [email protected]
PMID: 15115380 DOI: 10.1021/jm0304515
Abstract

The nature and the size of the benzylic substituent are shown to be the key to controlling receptor selectivity (CCR5 vs M1, M2) and potency in the title compounds. Optimization of the lead benzylic methyl compound 3 led to the methoxymethyl analogue 30, which had excellent receptor selectivity and oral bioavailability in rats and monkeys. Compound 30 (Sch-417690/Sch-D), a potent inhibitor of HIV-1 entry into target cells, is currently in clinical trials.

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