申请人:American Home Products Corporation
公开号:US04160100A1
公开(公告)日:1979-07-03
Anti-allergic agents of aromatic and heterocyclic oxamic acid derivation present the following formula: ##STR1## in which A is a member selected from the group consisting of 2-thiazolyl, 2-pyridyl, 2-pyridyl-N-oxide, 6-(lower)alkyl-2-pyridyl, 3-cyano-2-pyridyl, 3-pyridyl, 4-pyridyl, 2-pyrimidinyl, 2-pyrazinyl, .alpha.-naphthyl, .beta.-naphthyl, 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-(lower alkoxy 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, phenylazo, carboxy, lower alkylcarbonyl, cyano, carb(lower)alkoxy, phenoxy(lower)alkoxy, lower alkoxyoxalamido and lower alkoxyoxalamidophenoxy radicals; B, when taken alone, is a member selected from the group consisting of --OH, lower alkoxy, --NH.sub.2, --NHOH, cyclohexyloxy and phenoxy; and Y is a member selected from the group consisting of oxygen and when taken with B and the carbon atom to which they are attached, forms the moiety ##STR2##
芳香族和杂环氧酰胺衍生的抗过敏剂具有以下
化学式:##STR1## 其中A是从以下组中选择的成员:2-
噻唑基、2-
吡啶基、2-
吡啶-N-氧化物、6-(较低)烷基-2-
吡啶基、3-
氰基-2-
吡啶基、3-
吡啶基、4-
吡啶基、2-
嘧啶基、2-
吡嗪基、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,这些取代基独立地选自下列组成的组:较低烷基、较低烷
硫基、较低烷基亚
硫酰基、较低烷氧基、羟基(较低)烷氧基、2-(较低烷氧羰酰氧基)乙氧基、苄氧基、N-单和双较低烷基
氨基(较低)烷氧基、卤素、磺酰基、多卤素(较低)烷基、
氨基甲酰基、N-较低烷基甲酰基、硝基、单和双较低烷基
氨基、苯基偶氮基、羧基、较低烷基羰基、
氰基、羰(较低)烷氧基、苯氧基(较低)烷氧基、较低烷氧羰胺基和较低烷氧羰胺苯氧基基团;B单独时,是从以下组成的组中选择的成员:--OH、较低烷氧、--NH.sub.2、--NHOH、环己氧基和苯氧基;Y是从以下组成的组中选择的成员:氧,当与B和它们连接的碳原子一起取得时,形成如下团 ##STR2##