申请人:Riscoe Michael K.
公开号:US08598354B2
公开(公告)日:2013-12-03
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.
式I的化合物:或式II的化合物:或式I或式II的药学上可接受的盐,其中:R1为氢、羟基、烷氧基、酰基、烷基、环烷基、芳基或杂环芳基;R2为甲基或卤代烷基;R4为羟基、羰氧基或羰基二氧基;R3为脂肪基、芳基、芳基烷基或烷基芳基;R5、R6、R7和R8各自独立地为氢、卤素、烷氧基、烷基、卤代烷基、芳基、硝基、氰基、氨基、酰基、羧基、取代羧基或-SO2R10,其中R10为氢、烷基、氨基或卤代烷基;但在式I中,R5和R7不能同时为氢,或者R6不是氢或甲氧基;在式II中,如果R4为羰基二氧基,则R7不是甲氧基。