AZAINDOLIZINONE DERIVATIVES AND CEREBRAL FUNCTION IMPROVERS CONTAINING THE SAME AS THE ACTIVE INGREDIENT
申请人:ZENYAKU KOGYO KABUSHIKI KAISHA
公开号:EP1219621A1
公开(公告)日:2002-07-03
Azaindolizinon derivatives or pharmaceutically acceptable salts thereof represented by the formula I:
wherein
R1 represents hydrogen atom, halogen atom or C1-C6 alkyl,
R2 represents hydrogen atom, C1-C6 alkyl, C1-C6alkoxy, hydroxy, halogen atom, amino, acetylamino, benzylamino, trifluoromethyl or -O-(CH2)n-R5 (R5 represents vinyl, C3-C8 cycloalkyl or phenyl, n being 0 or 1),
R3 and R4 respectively represent C1-C6 alkyl or -CH(R7)-R6 (wherein R6 represents vinyl, ethynyl, phenyl (which may be substituted with C1-C6 alkyl, C1-C6 alkoxy, hydroxy, one or two halogen atoms, di C1-C6 alkylamino, cyano, nitro, carboxy or phenyl), phenethyl, pyridyl, thienyl or furyl and R7 represents hydrogen atom or C1-C6 alkyl) or R3 is coupled with R4 to form indan or dihydrophenalene.
由式 I 代表的氮杂环戊烯嗪酮衍生物或其药学上可接受的盐:
其中
R1 代表氢原子、卤素原子或 C1-C6 烷基、
R2代表氢原子、C1-C6烷基、C1-C6烷氧基、羟基、卤素原子、氨基、乙酰氨基、苄基氨基、三氟甲基或-O-(CH2)n-R5(R5代表乙烯基、C3-C8环烷基或苯基,n为0或1)、
R3和R4分别代表C1-C6烷基或-CH(R7)-R6(其中R6代表乙烯基、乙炔基、苯基(可被C1-C6烷基、C1-C6烷氧基、羟基、一个或两个卤素原子、二C1-C6烷基氨基、氰基、硝基、羧基或苯基取代)、苯乙基、吡啶基、噻吩基或呋喃基,R7代表氢原子或C1-C6烷基),或R3与R4偶联形成茚或二氢苯丙烯。