Polyhydroxy benzoic acid derivatives and their use as neuraminidase inhibitors

摘要

The present invention is directed to compositions of the formula: wherein: R2 is H, or an alkyl group having 1 to 3 carbon atoms and 0 to 2 hydroxyls; R3 is H, or hydroxyl; R4 is H, or forms a hydrolyzable ester or amide with -CO2-; R5 are H, or are taken together to form =NH; and R6 comprises an amine, or a group having 1 to 12 carbon atoms and 1 to 3 amine groups. The invention is also directed to methods of inhibiting the activity of neuraminidase using the compounds of the invention.