申请人:Boehringer Ingelheim GmbH
公开号:US04119710A1
公开(公告)日:1978-10-10
Racemic and optically active compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, fluorine, chlorine, bromine, iodine or cyano, R.sub.2 is fluorine, trifluoromethyl, nitro or cyano, and R.sub.3 is alkyl of 3 to 5 carbon atoms, hydroxy(alkyl of 3 to 5 carbon atoms), cycloalkyl of 3 to 5 carbon atoms, 1-(3,4-methylenedioxy-phenyl)-2-propyl or 1-(p-hydroxy-phenyl)-2-propyl, And non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as their salts are useful as analgesics, uterospasmolytics, bronchospasmolytics and antispastics for the skeletal musculature, and especially as .beta..sub.2 -receptor mimetics and .beta..sub.1 -receptor blockers.
配方为##STR1##的外消旋和光学活性化合物,其中R.sub.1是氢、氟、氯、溴、碘或氰基,R.sub.2是氟、三氟甲基、硝基或氰基,R.sub.3是碳数为3至5的烷基、3至5的碳数的羟基(烷基)、3至5的碳数的环烷基、1-(3,4-亚甲二氧基苯基)-2-丙基或1-(对羟基苯基)-2-丙基,以及其非毒性、药理学上可接受的酸盐;这些化合物及其盐可用作镇痛剂、子宫平滑肌松弛剂、支气管平滑肌松弛剂和骨骼肌肉抗痉挛剂,特别是作为β2-受体模拟剂和β1-受体阻滞剂。