申请人:American Home Products Corporation
公开号:US04191840A1
公开(公告)日:1980-03-04
Anti-allergic agents of aromatic oxamic acid derivation present the following formula: ##STR1## in which A is a member selected from the group consisting of .alpha.-naphthyl, .beta.-napthtyl, phenyl, 2,6-di-chlorophenyl, and substituted phenyl moieties containing from one to three substituents in any of the 2,3,4 and 5 positions of the phenyl ring, independently selected from the group consisting of lower alkyl, lower alkylthio, lower alkylsulfinyl, lower alkoxy, hydroxy (lower)alkoxy, 2-(oxalyloxy) ethoxy, benzyloxy, N-mono- and di-lower alkylamino(lower)alkoxy, halo, sulfamyl, polyhalo(lower)alkyl, carbamyl, N-lower alkylcarbamyl, nitro, mono and di lower alkylamino, carboxy, lower alkylcarbonyl, carb(lower)alkoxy, phenoxy(lower)alkoxy, and oxalamidophenoxy radicals; and pharmaceutically acceptable salts thereof.
芳香族羧酸衍生的抗过敏剂具有以下结构式:##STR1## 其中A是从以下组中选择的成员:α-萘基、β-萘基、苯基、2,6-二氯苯基和含有1至3个取代基的取代苯基,这些取代基可在苯环的2、3、4和5位置中的任意位置独立地选择自以下组成员:低烷基、低硫代基、低烷氧基、羟基(低)烷氧基、2-(草酰氧基)乙氧基、苄氧基、N-单-和二-低烷基氨基(低)烷氧基、卤素、磺胺基、多卤素(低)烷基、氨基甲酰基、N-低烷基氨基甲酰基、硝基、单和双低烷基氨基、羧基、低烷基羰基、羰基(低)烷氧基、苯氧基(低)烷氧基和草酰胺苯氧基基团;以及其药用可接受的盐。