申请人:HODOGAYA CHEMICAL CO., LTD.
公开号:EP0068407A1
公开(公告)日:1983-01-05
Novel aminosulfonylbenzoic acid derivatives of the formula (I):
wherein X and Y, independently of each other, denote chlorine atom, bromine atom, hydrogen atom, amino group or nitro group, R, denotes hydrogen atom or a lower alkyl group, R2 denotes hydrogen atom, amino group, a lower alkyl group, a hydroxyalkyl group, a lower alkoxy group, aryl group, guanyl group, guanidino group, ureid group, oxamoylamino group, or unsubstituted or halogen-substituted pyrldazinoamino group, or R, and R2 together with a nitrogen atom in the formula (I) may form a saturated heterocyclic group of 4 or 5 carbon atoms in which the carbon atoms may be replaced by an oxygen atom or unsubstituted or lower alkyl-substituted nitrogen atom, and R3 denotes hydrogen atom, alkyl group, alkenyl group, cycloalkyl group, or benzyl group.
式 (I) 的新型氨基磺酰基苯甲酸衍生物:
其中 X 和 Y 各自表示氯原子、溴原子、氢原子、氨基或硝基,R 表示氢原子或低级烷基,R2 表示氢原子、氨基、低级烷基、羟基烷基、低级烷氧基、芳基、鸟苷基、胍基、脲基、草酰氨基、或未取代的或卤素取代的吡嗪基氨基,或式(I)中的 R 和 R2 与氮原子一起可形成 4 或 5 个碳原子的饱和杂环基团,其中碳原子可被氧原子或未取代的或低级烷基取代的氮原子取代,R3 表示氢原子、烷基、烯基、环烷基或苄基。