Novel piperazine analogs as broad-spectrum influenza antivirals

Abstract

A compound of Formula I is set forth, including pharmaceutically acceptable salts thereof: wherein Het is a 5 or 6-membered heterocycle with —N, —O, or —S adjacent to the —Ar substituent or adjacent to the point of attachment for the —Ar substituent; Ar is aryl or heteroaryl; R is —CH3, —CH2F, or —CH═CH2; W is —NO2, —Cl, —Br, —CHO, —CH═CH2, or —CN; X is —Cl, —CH3, or —CN; Y is —CH or —N; and Z is C1-C6 alkyl, C3-C6 cycloalkyl, substituted aryl, substituted heteroaryl, OR1, or NHR1, wherein R1 is selected from the group of H, aryl, heteroaryl, C1-C6 alkyl and C3-C6 cycloalkyl. This compound is useful in compositions for the prevention and treatment of influenza virus.

Dependencies are inferred from the claim text.