申请人:Tanabe Seiyaku Co., Ltd.
公开号:US04404214A1
公开(公告)日:1983-09-13
A 2-pyridinecarboxamide derivative of the formula: ##STR1## wherein R.sup.1 is hydrogen, lower alkyl, lower alkoxy, halogen, lower alkyl-thio or nitro and is in the 3rd-, 4th- or 5th-position of the pyridyl group, and R.sup.2 is hydrogen, lower alkyl, lower alkoxy, phenoxy, phenyl-lower alkyl, phenyl-lower alkenyl, or halogen. Said 2-pyridinecarboxamide derivative (I) or a pharmaceutically acceptable salt thereof is useful as an anti-allergic agent.
该2-吡啶羧酰胺衍生物的化学式为:##STR1## 其中R.sup.1为氢、较低的烷基、较低的烷氧基、卤素、较低的烷基硫或硝基,并位于吡啶基的第3、第4或第5位置,而R.sup.2为氢、较低的烷基、较低的烷氧基、苯氧基、苯基-较低的烷基、苯基-较低的烯基或卤素。所述的2-吡啶羧酰胺衍生物(I)或其药用可接受的盐可用作抗过敏药物。