申请人:American Home Products Corporation
公开号:US04054661A1
公开(公告)日:1977-10-18
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-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-(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公式:##STR1## 其中A是从2-噻唑基,2-吡啶基,2-吡啶基-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-吡嘧啶基,2-吡嗪基,α-萘基,β-萘基,苯基,2,6-二氯苯基和取代苯基中选择的一种成员,所述取代苯基包含一个到三个取代基,所述取代基独立地选择自较低烷基,较低硫代烷基,较低磺代烷基,较低烷氧基,羟基(较低)-烷氧基,2-(较低烷氧基氧乙酰氧基)乙氧基,苄氧基,N-单和二-较低烷基氨基(较低)-烷氧基,卤,磺酰胺,多卤(较低)烷基,氨基甲酰,N-较低烷基氨基甲酰,硝基,单和二-较低烷基氨基,苯基偶氮,羧基,较低烷基羰基,氰基,羰基(较低)烷氧基,苯氧基(较低)烷氧基,较低烷氧基草酰胺基和较低烷氧基草酰胺基苯氧自由基;B,单独时,是从-OH,较低烷氧,-NH.sub.2,-NHOH,环己氧基和苯氧基中选择的一种成员;Y是从氧中选择的一种成员,当与B和它们连接的碳原子一起被选取时,形成如下部分:##STR2##