申请人:NIPPON KAYAKU KABUSHIKI KAISHA
公开号:EP0200942A2
公开(公告)日:1986-11-12
A new aminoketone derivative having a central muscle relaxant activity which is represented by the following general formula:
wherein R1 and
are the groups defined as I, II or III below, one of R2 and R3 is a hydrogen atom and the other is a lower alkyl group; n is 0 when R1 is I or II, and it is 0 or 1 when R1 is III: I: R1 is a group selected from the groups ① to ⑦ mentioned below and
① a group of the formula
② a group of the formula
(wherein R5 is a fluorine atom, a bromine atom, a lower alkoxyl group, a lower alkyl group, hydroxyl group, CH2=CH-, a phenyl group or
③ a group of the formula
(wherein R6 is a halogen atom, a lower alkyl group,
(wherein R4 is a trihalogenomethyl group), CH2=CH- or phenyl group), (Continuation next page)
④ a group of the formula
(wherein both R7 and R8 each are halogen atoms, lower alkyl groups, lower alkoxyl groups or hydrogen atoms),
⑤ a group of the formula
(wherein R9 and R10 each are halogen atoms, lower alkyl groups or lower alkoxyl group, and R10 is a substituent at the position 4 or 5 of the phenyl ring),
⑥ a group of the formula
(wherein R9 is a lower alkoxyl group, a lower alkyl group or a halogen atom; R" is a substituent at the position 2 or 3 of the phenyl ring, and is a lower alkyl group, a lower alkoxyl group or a hydroxyl group; and R12 is a substituent at the position 5 or 6 of the phenyl ring, and is a lower alkyl group or a halogen atom), and
⑦ a group of the formula
(wherein R9 is a lower alkoxyl group, a lower alkyl group or a halogen atom; R13 is a lower alkyl group, a lower alkoxyl group or a hydroxyl group; and R14 is a lower alkyl group or a lower alkoxyl group, provided that R14 is a lower alkoxyl group when R9 is a lower alkoxyl group at the position 4 of the phenyl ring):
II: R' is a group selected from the groups ① or ② mentioned below and
① a group of the formula
(wherein R15 and R16 each are lower alkyl groups or lower alkoxyl groups; and R" is a hydrogen atom or a lower alkoxyl group, provided that one of R15 and R16 is a lower alkoxyl group when R17 is a lower alkoxyl group),
② a group of the formula
(wherein R'6 and R16 each are lower alkyl groups or lower alkoxyl groups and R18 is a lower alkyl group, provided that R'6 is a substituent at the position 3 or 4):
III: R1 is a group selected from the groups ①,②,③ or ④ mentioned below and
is a group of the formula
① a group of the formula
(wherein R20 is a hydrogen atom, a halogen atom,
a lower alkyl group or a lower alkoxyl group),
a group of the formula
(wherein R21 is a halogen atom, a lower alkyl group or a lower alkoxyl group),
③ a group of the formula
(wherein R22 is a lower alkoxyl group), and
④ a group of the formula
(wherein R23 is a halogen atom or a lower alkyl group, R24 and R25 each are lower alkyl groups, and R26 is a lower alkyl group or a lower alkoxyl group), its pharmaceuticatly acceptable salt and a process for manufacturing thereof.
一种具有中枢性肌肉松弛活性的新型氨基酮衍生物,其通式如下:
其中 R1 和
是下面定义为Ⅰ、Ⅱ或Ⅲ的基团,R2和R3中的一个是氢原子,另一个是低级烷基;当R1是Ⅰ或Ⅱ时,n为0,当R1是Ⅲ时,n为0或1:Ⅰ:R1 是选自下述基团①至⑦的基团,且
式中的一个基团
式中的一个基团
(其中 R5 是氟原子、溴原子、低级烷氧基、低级烷基、羟基、CH2=CH-、苯基或
式中的一个基团
(其中 R6 为卤素原子、低级烷基、
(其中 R4 为三卤代甲基)、CH2=CH- 或苯基),(下页接上文)
式中的一个基团
(其中 R7 和 R8 各为卤素原子、低级烷基、低级烷氧基或氢原子)、
式中的一个基团
(其中 R9 和 R10 各为卤素原子、低级烷基或低级烷氧基,且 R10 是位于苯环第 4 或第 5 位的取代基)、
式中的一个基团
(其中 R9 是低级烷氧基、低级烷基或卤素原子;R "是位于苯环第 2 或第 3 位的取代基,并且是低级烷基、低级烷氧基或羟基;R12 是位于苯环第 5 或第 6 位的取代基,并且是低级烷基或卤素原子),以及 ⑦ 式中的基团
式中的一个基团
(其中 R9 是低级烷氧基、低级烷基或卤原子;R13 是低级烷基、低级烷氧基或羟基;R14 是低级烷基或低级烷氧基,条件是当 R9 是位于苯环第 4 位的低级烷氧基时,R14 是低级烷氧基):
II:R'是选自下述基团①或②的基团,且
式中的一个基团
(其中 R15 和 R16 各为低级烷基或低级烷氧基;R "为氢原子或低级烷氧基,条件是当 R17 为低级烷氧基时,R15 和 R16 中的一个为低级烷氧基)、
式中的一个基团
(其中 R'6 和 R16 均为低级烷基或低级烷氧基,R18 为低级烷基,条件是 R'6 是位于 3 或 4 位的取代基):
III:R1 是选自下述基团①、②、③或④的基团,且
是式
式中的一个基团
(其中 R20 是氢原子、卤素原子、低级烷基或低级烷氧基、
低级烷基或低级烷氧基)、
式中的一个基团
(其中 R21 为卤素原子、低级烷基或低级烷氧基)、
式中的一个基团
(其中 R22 为低级烷氧基),以及
式中的一个基团
(其中 R23 为卤原子或低级烷基,R24 和 R25 分别为低级烷基,R26 为低级烷基或低级烷氧基)的基团、其药学上可接受的盐及其制造方法。