Abstract
New nitrogen-containing derivatives of betulinic and betulonic acids, hydrazides and N"-benzalhydrazides, were synthesized. Their antiviral activities toward viruses of influenza A virus, herpes simplex type I virus, enterovirus ECHO6, and HIV-1 were studied in vitro. Betulinic acid 3-oxime was found to have the highest activity against the influenza virus. Betulonic acid, betulinic acid 4-chlorobenzalhydrazide, betulonic acid 3-oxime benzalhydrazide, and betulinic acid hydrazide inhibited the replication of herpes simplex type I virus. Betulinic acid hydrazide also showed antiviral activity toward HIV-1. All the derivatives of betulinic acid under study displayed a low antiviral activity toward enterovirus ECHO6.
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Flekhter, O.B., Boreko, E.I., Nigmatullina, L.R. et al. Synthesis and Antiviral Activity of Hydrazides and Substituted Benzalhydrazides of Betulinic Acid and Its Derivatives. Russian Journal of Bioorganic Chemistry 29, 296–302 (2003). https://doi.org/10.1023/A:1023948919315
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DOI: https://doi.org/10.1023/A:1023948919315