COMPOUNDS HAVING ANTIPARASITIC OR ANTI-INFECTIOUS ACTIVITY

摘要

Compounds of formula (I), or formula (II) or a pharmaceutically acceptable salt of formula (I) or formula (II), wherein: R1 is H, hydroxyl, alkoxy, acyl, alkyl, cycloalkyl, aryl, or heteroaryl; R2 is methyl or haloalkyl; R4 is hydroxyl, carbonyloxy, or carbonyldioxy; and R3 is aliphatic, aryl, aralkyl, or alkylaryl; and R5, R6, R7 and R8 are each individually H, halogen, alkoxy, alkyl, haloalkyl, aryl, nitro, cyano, amino, amido, acyl, carboxyl, substituted carboxyl, or -SO2R10, wherein R10 is H, alkyl, amino or haloalkyl; provided that in formula (I), R5 and R7 are not both H or R6 is not H or methoxy; and in formula (II) that if R4 is carbonyldioxy then R7 is not methoxy.