申请人:Aktiebolaget Draco
公开号:US03937838A1
公开(公告)日:1976-02-10
Novel compounds are disclosed having useful activity as bronchodilators of improved longevity of action and reduced incidence of side effects. These compounds are described by the formula: ##EQU1## wherein R.sub.1 is a member of the class consisting of tertiary butyl and cyclobutyl, and R.sub.2 is a hydrogen or 2 to 5 carbon atom acyl radical, and pharmaceutically acceptable salts thereof. The activity of these compounds is compared to previously known bronchodilators such as 1-(3', 5'-dihydroxyphenyl)-2-(isopropylamino)-ethanol, having the common name orciprenaline, and 1-(3', 4'-dihydroxyphenyl-2-isoproplyamino-ethanol, having the common name isoprenaline.
揭示了一种新型化合物,具有作为支气管扩张剂的有用活性,其持续时间更长,副作用发生率降低。这些化合物由以下公式描述:##EQU1##其中R.sub.1是由三级丁基和环丁基组成的类成员,R.sub.2是氢或2至5个碳原子酰基基团,以及其医药上可接受的盐。这些化合物的活性与以前已知的支气管扩张剂(如1-(3',5'-二羟基苯基)-2-(异丙基氨基)-乙醇,通用名奥西普雷南和1-(3',4'-二羟基苯基-2-异丙基氨基-乙醇,通用名异丙肾上腺素)进行了比较。