申请人:Hoffmann-La Roche Inc.
公开号:US04202978A1
公开(公告)日:1980-05-13
There are disclosed compounds of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of lower alkyl; R.sub.8 is selected from the group consisting of --O--(CH.sub.2).sub.n --wherein n is 2 to 20, ##STR2## and R.sub.6 is selected from the group consisting of hydrogen or lower alkoxy, and ##STR3## wherein R.sub.1 is selected from the group consisting of lower alkyl; R.sub.8 is selected from the group consisting of --O--(CH.sub.2).sub.n --wherein n is 2 to 20, ##STR4## and R.sub.6 is selected from the group consisting of hydrogen or lower alkoxy and racemates thereof. There are also disclosed processes and intermediates utilized to produce the end products. The end products have utility as agents exhibiting both .alpha. and selective .beta. adrenergic blocking action.
公开了化合物的结构式如下:##STR1##其中R.sub.1从以下组中选择:较低的烷基;R.sub.8从以下组中选择:--O--(CH.sub.2).sub.n --其中n为2至20,##STR2##和R.sub.6从以下组中选择:氢或较低的烷氧基,以及##STR3##其中R.sub.1从以下组中选择:较低的烷基;R.sub.8从以下组中选择:--O--(CH.sub.2).sub.n --其中n为2至20,##STR4##和R.sub.6从以下组中选择:氢或较低的烷氧基及其外消旋体。还公开了用于生产终端产品的工艺和中间体。这些终端产品可用作同时表现α和选择性β肾上腺素能阻滞作用的试剂。