申请人:Warner-Lambert Company
公开号:US03937837A1
公开(公告)日:1976-02-10
Substituted chromone-3-carbonitriles, carboxamides and carboxylic acids having the structural formula: ##SPC1## Wherein R.sub.1 represents hydrogen, halogen, lower alkyl, hydroxy, lower alkoxy, or acyloxy; R.sub.2 represents hydrogen, lower alkyl, fluorinated lower alkyl, alkoxycarbonyl, carboxy, or lower alkyl carboxylic acid; Z represents cyano, carboxy, alkoxycarbonyl, or ##EQU1## wherein X represents amino, N-lower-alkylamino, hydroxylamino, N-lower-alkylhydroxylamino, ureido, piperidino, or anilino, with the proviso that when R.sub.2 represents hydrogen, Z represents cyano or ##EQU2## wherein X has the same meaning as given above; and wherein R.sub.2 and Z together may form a substituted pyrrole ring; and the corresponding non-toxic, pharmaceutically acceptable salts.
替代的咔喃-3-羧腈、羧酰胺和羧酸,具有以下结构式:##SPC1## 其中 R.sub.1 代表氢、卤素、低烷基、羟基、低烷氧基或酰氧基;R.sub.2 代表氢、低烷基、氟代低烷基、烷氧羰基、羧基或低烷基羧酸;Z 代表氰基、羧基、烷氧羰基或##EQU1## 其中 X 代表氨基、N-低烷基氨基、羟基氨基、N-低烷基羟基氨基、脲基、哌啶基或苯胺基,但当 R.sub.2 代表氢时,Z 代表氰基或##EQU2## 其中 X 的含义与上述相同;且其中 R.sub.2 和 Z 可以共同形成取代的吡咯环;以及相应的非毒性、药学上可接受的盐。