Antiviral Activity of Dicarbonyls and Related Compounds in Embryonated Eggs

Abstract
A variety of compounds containing a terminal α-ketoaldehyde or α-hydroxyaldehyde grouping showed marked activity against influenza A (PR-8) and Newcastle disease (NJ-KD) viruses in embryonated eggs. One of these compounds, β-ethoxy-α-ketobutyraldehyde hydrate (Kethoxal) appeared to be at least as active as any of the other compounds and the following results were obtained in detailed studies with this compound: