Incubation of ##STR1## with a preparation from mammalian organ yields as biotransformation product the compound 3-[2-(benzoxazol-2-yl)ethyl]-5-(1-hydroxyethyl)-6-methyl-2-(1H)-pyridinone . This product is useful in the prevention or treatment of infection by HIV and the treatment of AIDS.
Incubation of 3-[2-benzoxazol-2-yl)ethyl]-5-ethyl-6-methyl-2-(1H)-pyridinone ##STR1## with a preparation from mammalian organ yields as biotransformation product the 6-hydroxymethyl analog. This product is useful in the prevention or treatment of infection by HIV and the treatment of AIDS.