申请人:Beecham Group Limited
公开号:US04223034A1
公开(公告)日:1980-09-16
This invention provides compounds, having major tranquilizing activity, of the formula (II): ##STR1## wherein R.sub.1 is a phenyl group optionally substituted by a fluorine, chlorine or bromine atom or an alkyl or alkoxyl group of up to 3 carbon atoms; R.sub.2 is a hydrogen atom or an alkyl group of up to 4 carbon atoms; R.sub.3 is a hydrogen atom or an amino group, a nitro group or a group of the formula NHCOR.sub.4 or NHCO.sub.2 R.sub.4 where R.sub.4 is an alkyl group of up to 4 carbon atoms optionally substituted by one, two or three chlorine atoms or by three fluorine atoms attached to the same carbon atom; n is 0, 1 or 2; and X is a group of the sub-formula (a), (b), (c) or (d): --CH.sub.2 --CH.sub.2 --NR.sub.5 -- (a) ##STR2## wherein R.sub.5 is an alkyl group of up to 4 carbon atoms; or a N-oxide thereof of the nitrogen atom to which the CHR.sub.2 --(CH.sub.2).sub.n --R.sub.1 moiety is attached; and salts thereof; pharmaceutical compositions containing them; processes for their preparation; and intermediates useful in said process.
这项发明提供了具有主要镇静活性的化合物,其化学式为(II):##STR1##其中R.sub.1是一个苯基,可选择地被氟、氯或溴原子或具有最多3个碳原子的烷基或烷氧基取代;R.sub.2是一个氢原子或最多4个碳原子的烷基;R.sub.3是一个氢原子或氨基、硝基或具有化学式NHCOR.sub.4或NHCO.sub.2R.sub.4的基团,其中R.sub.4是一个最多4个碳原子的烷基,可选择地被一个、两个或三个氯原子或三个连接到同一碳原子的氟原子取代;n为0、1或2;X是亚式(a)、(b)、(c)或(d)的一个基团:--CH.sub.2--CH.sub.2--NR.sub.5-- (a) ##STR2##其中R.sub.5是一个最多4个碳原子的烷基;或其氮原子的N-氧化物,连接到CHR.sub.2--(CH.sub.2).sub.n--R.sub.1基团的氮原子;及其盐;包含它们的药物组合物;制备它们的方法;以及在该过程中有用的中间体。