申请人:May & Baker Limited
公开号:US04960775A1
公开(公告)日:1990-10-02
Therapeutically useful pyrrolo[2,1-a]phthalazine derivatives of the formula: ##STR1## wherein R.sup.1 and R.sup.2 represent cycloalkyl, optionally substituted alkyl, alkenyl, alkynyl, aryl or heteroaryl, X represents ethylene or vinylene, R.sup.3 represents a group of the formula: --Y--CH.sub.2 --CH(OH)--CH.sub.2 --COOR.sup.5 wherein Y represents carbonyl or hydroxymethylene and R.sup.5 represents hydrogen or optionally substituted alkyl, or R.sup.3 represents a lactone ring and the symbols R.sup.4 represent hydrogen, halogen, optionally substituted alkyl, alkenyl, alkynyl, aryl or heteroaryl, or R.sup.6 O-- wherein R.sup.6 represents alkyl, aryl or arylalkyl and salts thereof, processes for their preparation and compositions containing them are described.
公式为:##STR1## 其中R.sup.1和R.sup.2代表环烷基、可选择取代的烷基、烯基、炔基、芳基或杂芳基,X代表乙烯或乙烯基,R.sup.3代表下列结构的基团:--Y--CH.sub.2 --CH(OH)--CH.sub.2 --COOR.sup.5,其中Y代表酰基或羟甲基,R.sup.5代表氢或可选择取代的烷基,或者R.sup.3代表内酯环,符号R.sup.4代表氢、卤素、可选择取代的烷基、烯基、炔基、芳基或杂芳基,或者R.sup.6 O--其中R.sup.6代表烷基、芳基或芳基烷基及其盐的治疗上有用的吡咯并[2,1-a]萘啉衍生物,描述了它们的制备过程和含有它们的组合物。