申请人:Lilly Industries Limited
公开号:US05258378A1
公开(公告)日:1993-11-02
The invention relates to a compound of formula (I) ##STR1## in which R.sup.1 and R.sup.2 are each hydrogen, halo, hydroxy, nitro, C.sub.1-4 alkylcarbonyl, hydroxy-C.sub.1-4 alkyl, R.sup.3 is hydrogen or optionally substituted phenylsulphonyl, R.sup.4 is optionally substituted phenyl, benzofuranyl or dihydrobenzofuranyl, and R.sup.5 is hydrogen or C.sub.1-4 alkyl; and salts thereof. These compounds are useful dopaminergic agents.
本发明涉及一种式为(I)的化合物##STR1##其中R.sup.1和R.sup.2分别为氢、卤素、羟基、硝基、C.sub.1-4烷基羰基、羟基-C.sub.1-4烷基,R.sup.3为氢或可选择取代的苯磺酰基,R.sup.4为可选择取代的苯基、苯并呋喃基或二氢苯并呋喃基,R.sup.5为氢或C.sub.1-4烷基;以及其盐。这些化合物是有用的多巴胺能药剂。