Improving properties of the nucleobase analogs T-705/T-1105 as potential antiviral.
Annu Rep Med Chem
; 57: 1-47, 2021.
Article
em En
| MEDLINE
| ID: mdl-34728864
ABSTRACT
In this minireview we describe our work on the improvement of the nucleobase analogs Favipiravir (T-705) und its non-fluorinated derivative T-1105 as influenza and SARS-CoV-2 active compounds. Both nucleobases were converted into nucleotides and then included in our nucleotide prodrugs technologies cycloSal-monophosphates, DiPPro-nucleoside diphosphates and TriPPPro-nucleoside triphosphates. Particularly the DiPPro-derivatives of T-1105-RDP proved to be very active against influenza viruses. T-1105-derivatives in general were found to be more antivirally active as compared to their T-705 counterpart. This may be due to the low chemical stability of all ribosylated derivatives of T-705. The ribosyltriphosphate derivative of T-1105 was studied for the potential to act as a inhibitor of the SARS-CoV-2 RdRp and was found to be an extremely potent compound causing lethal mutagenesis. The pronucleotide technologies, the chemical synthesis, the biophysical properties and the biological effects of the compounds will be addressed as well.
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2021
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Article