Synthesis and Anti-HIV Activity of Some [Nucleoside Reverse Transcriptase Inhibitor]-C5′-Linker-[Integrase Inhibitor] Heterodimers as Inhibitors of HIV Replication

Abstract

Selected for their expected ability to inhibit HIV replication, a series of eight heterodimers containing a Nucleoside Reverse Transcriptase Inhibitor (NRTI) and an Integrase Inhibitor (INI), bound by a linker, were designed and synthesized. For the NRTIs, d₄U, d₂U and d₄T were chosen. For the INIs, 4-[1-(4-fluorobenzyl)-1H-pyrrol-2-yl]-2,4-dioxobutyric acid (6) and 4-(3,5-dibenzyloxyphenyl)-2,4-dioxobutyric acid (9) (belonging to the β-diketo acids class) were chosen. The conjugation of the two different inhibitors (NRTI and INI) was performed using an amino acid (glycine or β-alanine) as a cleavable linker.

Keywords: :

• HIV
• NRTI
• INI
• Cleavable linker
• Heterodimer
• Integrase inhibitor
• Reverse Transcriptase inhibitor