申请人:Asta Medica Aktiengesellschaft
公开号:US05464838A1
公开(公告)日:1995-11-07
6-amino carboxylic acid derivatives having antiasthmatic and antiallergic properties which can be used for the preparation of medicaments. The compounds have the formula: ##STR1## wherein R.sub.1 and R.sub.2 represent hydrogen, a straight-chain or branched alkyl radical with 1-6 carbon atoms, benzyl or phenylethyl, R.sub.3 represents hydrogen, a straight-chain or branched alkyl radical with 1-6 carbon atoms or benzyl, X represents hydrogen, halogen, C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -alkoxy, Y.sub.1 and Y.sub.2 represent hydrogen, halogen, C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -alkoxy, where m, n and o can assume the values from 0-4.
具有抗哮喘和抗过敏性质的6-氨基羧酸衍生物可用于制备药物。该化合物的化学式为:##STR1## 其中,R.sub.1和R.sub.2代表氢、1-6个碳原子的直链或支链烷基、苄基或苯乙基,R.sub.3代表氢、1-6个碳原子的直链或支链烷基或苄基,X代表氢、卤素、C.sub.1-C.sub.6-烷基或C.sub.1-C.sub.6-烷氧基,Y.sub.1和Y.sub.2代表氢、卤素、C.sub.1-C.sub.6-烷基或C.sub.1-C.sub.6-烷氧基,其中m、n和o可以取0-4的值。