申请人:SYNTEX (U.S.A.) INC.
公开号:EP0490263A1
公开(公告)日:1992-06-17
α-Oxoacetamides represented by Formula I
wherein R¹ is selected from
in which:
the dashed line denotes an optional bond;
X and Y are independently selected from hydrogen, halo, cyano, hydroxy, lower alkoxy, benzyloxy, lower alkyl, nitro, amino, aminocarbonyl, (lower alkyl)amino, di(lower alkyl)amino, and (lower alkanoyl)amino;
Z is -O-, -S- or -N(R⁴)-; and
R⁴ and R⁵ are independently selected from hydrogen or lower alkyl or (lower cycloalkyl) lower alkyl or are together -(CH₂)n- wherein n is an integer from 3 to 5;
R² is selected from
in which:
p is 0 or 1;
q is 1, 2 or 3; and
R⁶ is C₁₋₇ alkyl; and
R³ is selected from hydrogen or lower alkyl;
their pharmaceutically acceptable salts, individual isomers and mixtures of isomers, processes for their preparation, compositions, and methods of use thereof.
由式 I 代表的 α-氧代乙酰胺
其中 R¹ 选自
其中
虚线表示任选键;
X和Y独立地选自氢、卤素、氰基、羟基、低级烷氧基、苄氧基、低级烷基、硝基、氨基、氨基羰基、(低级烷基)氨基、二(低级烷基)氨基和(低级烷酰基)氨基;
Z 是-O-、-S-或-N(R⁴)-;以及
R⁴ 和 R⁵ 独立选自氢或低级烷基或(低级环烷基)低级烷基,或共同为-(CH₂)n-,其中 n 为 3 至 5 的整数;
R² 选自
其中
p 是 0 或 1
q 是 1、2 或 3;以及
R⁶ 是 C₁₋₇ 烷基;以及
R³ 选自氢或低级烷基;
它们的药学上可接受的盐、单个异构体和异构体混合物、制备工艺、组合物及其使用方法。