摘要:
A compound of the formula (I): wherein X1 is bond or —OCH2—; X2 is —(CH2)n—, in which n is 1, 2 or 3; X3 is bond, —O—, —S—, —OCH2—, or —NH—; R1 is phenyl or pyridyl each of which may have one or two substituent(s) selected from the group consisting of hydroxy, halogen, etc.; R2 is hydrogen, (lower)alkoxycarbonyl, etc.; R3 is hydroxy(lower)alkyl; halo(lower)alkyl, etc.; R4 is aryl or unsaturated heterocyclic group, each of which may have one or two substituent(s) selected from the group consisting of lower alkyl, hydroxy, carbamoyl, halogen, lower alkoxy, etc.; and a salt thereof which is useful as a medicament.
摘要翻译:式(I)的化合物:其中X 1为键或-OCH 2 - ; X 2为 - (CH 2)n - ,其中n为1,2或3; X 3是键,-O - , - S - , - OCH 2 - 或-NH-; R 1是苯基或吡啶基,其各自可以具有一个或两个选自羟基,卤素等的取代基; R 2是氢,(低级)烷氧基羰基等; R 3是羟基(低级)烷基; 卤代(低级)烷基等; R 4是芳基或不饱和杂环基,其各自可以具有一个或两个选自低级烷基,羟基,氨基甲酰基,卤素,低级烷氧基等的取代基。 及其盐,其可用作药物。