申请人:Fujisawa Pharmaceutical Company, Ltd.
公开号:US05173493A1
公开(公告)日:1992-12-22
The invention relates to compounds for treatment of nausea and vomiting, of the formula ##STR1## wherein R.sup.1 is hydrogen, lower alkyl, lower alkenyl or N,N-di(lower)alkylaminomethyl, R.sup.2 is hydrogen, lower alkyl or halogen, R.sup.3 is imidazolyl or pyridyl, each of which may have substituent(s) selected from lower alkyl and imino-protective group, and R.sup.4 is hydrogen, lower alkyl, lower alkenyl or hydroxy(lower)alkyl and R.sup.5 is hydrogen, hydroxy or lower alkanoyloxy, or R.sup.4 and R.sup.5 are linked together to form an additional bond, or a pharmaceutically acceptable salt thereof.
该发明涉及用于治疗恶心和呕吐的化合物,其化学式为##STR1##其中R.sup.1为氢、较低的烷基、较低的烯基或N,N-二(较低)烷基氨基甲基,R.sup.2为氢、较低的烷基或卤素,R.sup.3为咪唑基或吡啶基,每个基可能有来自较低烷基和亚胺保护基的取代基,R.sup.4为氢、较低的烷基、较低的烯基或羟基(较低)烷基,R.sup.5为氢、羟基或较低的烷酰氧基,或R.sup.4和R.sup.5连在一起形成额外的键,或其药学上可接受的盐。