申请人:Synthelabo
公开号:US05380742A1
公开(公告)日:1995-01-10
Pyrrole derivatives of formula: ##STR1## in which R.sub.1 represents a hydrogen or halogen atom, a linear or branched C.sub.1-6 alkyl group, a C.sub.3-6 alkenyl group, a C.sub.1-4 alkoxymethyl group, benzyl, a phenyl group optionally substituted by one or more halogen atoms or alkyl radicals, a CO.sub.2 R group in which R represents a linear or branched C.sub.1-4 alkyl radical, phenyl or benzyl, or a CONR'R" group in which R' and R" each represent, independently of one another, a hydrogen atom or a linear or branched C.sub.1-4 alkyl radical, R.sub.2 represents a hydrogen or halogen atom or a linear or branched C.sub.1-4 alkyl group, and R.sub.3 represents a 4,5-dihydro-1H-imidazol-2-yl or 1H-imidazol-4-yl group, and their addition salts with pharmaceutically acceptable acids are useful in therapeutics as .alpha..sub.2 -antagonists, and .alpha..sub.1 -agonists.
Pyrrole衍生物的化学式:##STR1##其中R.sub.1代表氢原子或卤素原子,线性或支链的C.sub.1-6烷基基团,C.sub.3-6烯基基团,C.sub.1-4烷氧甲基基团,苄基,苯基(可选地被一个或多个卤素原子或烷基基团取代),一个CO.sub.2 R基团,其中R代表线性或支链的C.sub.1-4烷基基团,苯基或苄基,或一个CONR'R"基团,其中R'和R"各自独立地代表氢原子或线性或支链的C.sub.1-4烷基基团,R.sub.2代表氢原子或卤素原子或线性或支链的C.sub.1-4烷基基团,R.sub.3代表4,5-二氢-1H-咪唑-2-基或1H-咪唑-4-基团,以及它们与药学上可接受的酸形成的加合盐在治疗中作为α2-拮抗剂和α1-激动剂是有用的。