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Design, synthesis, X-ray studies, and biological evaluation of novel macrocyclic HIV-1 protease inhibitors involving the P1'-P2' ligands.


ABSTRACT: Design, synthesis, and evaluation of a new class of HIV-1 protease inhibitors containing diverse flexible macrocyclic P1'-P2' tethers are reported. Inhibitor 5a with a pyrrolidinone-derived macrocycle exhibited favorable enzyme inhibitory and antiviral activity (Ki=13.2nM, IC50=22nM). Further incorporation of heteroatoms in the macrocyclic skeleton provided macrocyclic inhibitors 5m and 5o. These compounds showed excellent HIV-1 protease inhibitory (Ki=62pM and 14pM, respectively) and antiviral activity (IC50=5.3nM and 2.0nM, respectively). Inhibitor 5o also remained highly potent against a DRV-resistant HIV-1 variant.

SUBMITTER: Ghosh AK 

PROVIDER: S-EPMC5647257 | biostudies-literature | 2017 Nov

REPOSITORIES: biostudies-literature

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Design, synthesis, X-ray studies, and biological evaluation of novel macrocyclic HIV-1 protease inhibitors involving the P1'-P2' ligands.

Ghosh Arun K AK   Sean Fyvie W W   Brindisi Margherita M   Steffey Melinda M   Agniswamy Johnson J   Wang Yuan-Fang YF   Aoki Manabu M   Amano Masayuki M   Weber Irene T IT   Mitsuya Hiroaki H  

Bioorganic & medicinal chemistry letters 20170906 21


Design, synthesis, and evaluation of a new class of HIV-1 protease inhibitors containing diverse flexible macrocyclic P1'-P2' tethers are reported. Inhibitor 5a with a pyrrolidinone-derived macrocycle exhibited favorable enzyme inhibitory and antiviral activity (K<sub>i</sub>=13.2nM, IC<sub>50</sub>=22nM). Further incorporation of heteroatoms in the macrocyclic skeleton provided macrocyclic inhibitors 5m and 5o. These compounds showed excellent HIV-1 protease inhibitory (K<sub>i</sub>=62pM and 1  ...[more]

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