申请人:Boehringer Ingelheim GmbH
公开号:US04214001A1
公开(公告)日:1980-07-22
Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, halogen or cyano; R.sub.2 is fluorine, cyano, trifluoromethyl, nitro or alkyl of 1 to 4 carbon atoms; R.sub.3 is alkoxy of 1 to 5 carbon atoms, alkenyloxy of 2 to 5 carbon atoms, aryloxy of 6 to 10 carbon atoms, aralkoxy of 7 to 11 carbon atoms, or --NR.sub.5 R.sub.6, where R.sub.5 and R.sub.6 are each hydrogen, alkyl of 1 to 5 carbon atoms, alkenyl of 2 to 5 carbon atoms, aryl of 6 to 10 carbon atoms or aralkyl of 7 to 11 carbon atoms; and R.sub.4 is cycloalkyl of 3 to 5 carbon atoms or alkyl of 3 to 5 carbon atoms; and non-toxic, pharmacologically acceptable acid addition salt thereof. The compounds as well as the salts are useful as analgesics, uterospasmolytics and antiasthmatics.
该公式的化合物为## STR1 ##,其中R.sub.1为氢,卤素或氰基; R.sub.2为氟,氰基,三氟甲基,硝基或1至4个碳原子的烷基; R.sub.3为1至5个碳原子的烷氧基,2至5个碳原子的烯氧基,6至10个碳原子的芳氧基,7至11个碳原子的芳基氧基或--NR.sub.5 R.sub.6,其中R.sub.5和R.sub.6分别为氢,1至5个碳原子的烷基,2至5个碳原子的烯基,6至10个碳原子的芳基或7至11个碳原子的芳基烷基; R.sub.4为3至5个碳原子的环烷基或3至5个碳原子的烷基; 以及其无毒、药理学上可接受的酸加成盐。该化合物及其盐可用作镇痛剂、子宫平滑肌松弛剂和抗哮喘剂。