Discovery of N-benzyl-N′-(4-pipyridinyl)urea CCR5 antagonists as anti-HIV-1 agents (I): Optimization of the amine portion

Several series of carbamate, urea and carboxamide-based CCR5 antagonists have been discovered via optimizations at the amine portion of lead compound 2. All compounds were evaluated for their antiviral activities. Lead urea 29 showed good pharmacokinetic properties, justifying further development of this series.

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