Ergoline derivatives, their preparation and therapeutic composition containing them
申请人:FARMITALIA CARLO ERBA S.p.A.
公开号:EP0030351A2
公开(公告)日:1981-06-17
Ergoline derivatives of formula (I)
wherein R1 represents a hydrogen atom or a methyl group, R2 represents a hydrogen atom or a methoxy group, X represents an oxygen or sulphur atom or a NH or NCH3 group, R3 represents a hydrogen atom, a trifluoromethyl or phenyl group or an alkyl group having from 1 to 4 carbon atoms, R4 represents a hydrogen atom, a methyl or acetyl group or an alkyl group having from 1 to 4 carbon atoms, or R3 and R4 together represent a 3 or 4 membered carbon atom chain, Y represents an electron withdrawing group such as a cyano, nitro, alkylsulphonyl or alkylsulphinyl group or a group of the formula CORs wherein Rs represents an alkyl group having from 1 to 4 carbon atoms or a phenyl, alkoxy, amino or N-substituted amino group or Rs an R3 together represent a 2 or 3 membered carbon atom chain, R6 represents a hydrocarbon group having from 1 to 4 carbon atoms or a benzyl or phenethyl group, and R7 represents a hydrogen or halogen atom or a methyl or formyl group or a group of the formula SRB wherein R8 represents an alkyl group having from 1 to 4 carbon atoms or a phenyl group. The pharmaceutically acceptable addition salts and their preparation are disclosed. In form of therapeutical compositions the compounds exhibit useful pharmacological properties.
式(I)的麦角啉衍生物
其中 R1 代表氢原子或甲基,R2 代表氢原子或甲氧基,X 代表氧原子或硫原子或 NH 或 NCH3 基团,R3 代表氢原子、三氟甲基或苯基或具有 1 至 4 个碳原子的烷基,R4 代表氢原子、甲基或乙酰基或具有 1 至 4 个碳原子的烷基,或 R3 和 R4 共同代表 3 或 4 个分子的碳原子链,Y 代表取电子基团,如氰基、硝基、烷基磺酰基或烷基亚磺酰基或式(CORs)中的基团、其中 Rs 代表具有 1 至 4 个碳原子的烷基或苯基、烷氧基、氨基或 N-取代氨基,或 Rs 和 R3 共同代表 2 或 3 个分子的碳原子链、R6 代表具有 1 至 4 个碳原子的烃基或苄基或苯乙基,R7 代表氢原子或卤素原子或甲基或甲酰基或式 SRB 的基团,其中 R8 代表具有 1 至 4 个碳原子的烷基或苯基。公开了药学上可接受的加成盐及其制备方法。这些化合物以治疗组合物的形式表现出有用的药理特性。