申请人:NIPPON CHEMIPHAR CO., LTD.
公开号:EP1342720A2
公开(公告)日:2003-09-10
Novel epoxysuccinamide derivatives represented by the general formula (1) or physiologically acceptable salts thereof, which are useful particularly as remedies for bone diseases and arthritis, wherein R1 and R3 are each hydrogen, alkyl, alkenyl, alkynyl, aryl, aralkyl, a heterocyclic group, or a heterocyclic-alkyl group; R2 is alkyl, alkenyl, alkynyl, aryl, aralkyl, a heterocyclic group, or a hetericyclic -alkyl group; X is -O- or -NR4- (wherein R4 is hydrogen, alkyl, aryl, aralkyl, a heterocyclic group, or a heterocyclic-alkyl group; Y1 is OR5, SR6, or NR7R8 (wherein each of R5, R6 and R7 is hydrogen, alkyl, aryl, aralkyl, acyl, a heterocyclic group, or a heterocyclic-alkyl group, and R8 is the same as defined for R4); and Y2 is hydrogen or alkyl, or alternatively Y1 and Y2 can be combined to form =O, =S, =N-R9, or =N-OR10 (wherein each of R9 and R10 is the same as defined for R4), provided that each of the alkyl, aryl and heterocyclic groups defined for R5 to R10 can have one or more specific substituents and that each of the group defined for R1 to R10 and Y2 is specificed in the number of carbon atoms.
由通式(1)代表的新型环氧琥珀酰胺衍生物或其生理学上可接受的盐,特别可用作骨病和关节炎的治疗药物,其中 R1 和 R3 各为氢、烷基、烯基、炔基、芳基、芳烷基、杂环基团或杂环-烷基;R2 是烷基、烯基、炔基、芳基、芳烷基、杂环基团或杂环-烷基; X 是-O-或-NR4-(其中 R4 是氢、烷基、芳基、芳烷基、杂环基团或杂环-烷基;Y1 是 OR5、SR6 或 NR7R8(其中 R5、R6 和 R7 各自是氢、烷基、芳基、芳烷基、酰基、杂环基团或杂环-烷基基团,而 R8 与 R4 的定义相同);和 Y2 是氢或烷基,或者 Y1 和 Y2 可以组合成 =O、=S、=N-R9 或 =N-OR10(其中 R9 和 R10 与 R4 所定义的相同),条件是 R5 至 R10 所定义的烷基、芳基和杂环基团可以有一个或多个特定取代基,并且 R1 至 R10 和 Y2 所定义的每个基团的碳原子数都是特定的。