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Org Biomol Chem ; 20(3): 606-612, 2022 01 19.
Artículo en Inglés | MEDLINE | ID: mdl-34927652

RESUMEN

As the importance of RNA as a therapeutic target has become increasingly recognized, the need for new chemotypes able to bind RNA has grown in significance. We hypothesized that diketopiperazines (DKPs), common substructures in natural products and protein-targeting therapeutic agents, could serve as effective scaffolds for targeting RNA. To confirm this hypothesis, we designed and synthesized two analogs, one incorporating a DKP and one not, of compounds previously demonstrated to bind an RNA critical to the life cycle of HIV-1 with high affinity and specificity. Prior to compound synthesis, calculations employing density functional methods and molecular mechanics conformational searches were used to confirm that the DKP could present functionality in a similar (albeit not identical) orientation to the non DKP-containing compound. We found that both the DKP-containing and parent compound had similar affinities to the target RNA as measured by surface plasmon resonance (SPR). Both compounds were found to have modest but equal anti-HIV activity. These results establish the feasibility of using DKPs to target RNA.


Asunto(s)
Fármacos Anti-VIH/farmacología , Productos Biológicos/farmacología , Dicetopiperazinas/farmacología , VIH/efectos de los fármacos , ARN Viral/efectos de los fármacos , Fármacos Anti-VIH/síntesis química , Fármacos Anti-VIH/química , Productos Biológicos/síntesis química , Productos Biológicos/química , Teoría Funcional de la Densidad , Dicetopiperazinas/síntesis química , Dicetopiperazinas/química , Pruebas de Sensibilidad Microbiana , Estructura Molecular
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