申请人:American Home Products Corporation
公开号:US04069343A1
公开(公告)日:1978-01-17
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.-naphthyl, phenyl, 2,6-dichlorophenyl, 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化学式:##STR1##其中A是从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中选择的一种成员,这些取代基可以在苯环的2、3、4和5位置中的任意位置,独立地选择自下列成员:较低烷基、较低烷硫基、较低烷基亚硫基、较低烷氧基、羟基(较低)烷氧基、2-(草酰氧)乙氧基、苄氧基、N-单-和二-较低烷基氨基(较低)烷氧基、卤素、磺酰胺基、多卤素(较低)烷基、氨基甲酰基、N-较低烷基氨基甲酰基、硝基、单和二较低烷基氨基、羧基、较低烷基羰基、羰(较低)烷氧基、苯氧基(较低)烷氧基和草酰胺基苯氧基基团中独立选择的一种;及其药用可接受盐。