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    • 4. 发明授权
    • Piperazine derivatives
    • 哌嗪衍生物
    • US5369103A
    • 1994-11-29
    • US861834
    • 1992-06-19
    • Ian A. CliffeAlan C. WhiteAnderson D. Ifill
    • Ian A. CliffeAlan C. WhiteAnderson D. Ifill
    • A61K31/495A61P9/12A61P25/20A61P25/22A61P25/24A61P25/26A61P43/00C07D213/56C07D295/14C07D295/18C07D295/185A61K31/395C07D403/06C07D403/14
    • C07D295/185C07D213/56
    • ##STR1## where A is an alkylene chain of 1 or 2 carbon atoms optionally substituted by one or more lower alkyl groups, R is hydrogen or lower alkyl, R
      1 is a mono or bicyclic aryl or a heteroaryl radical, R
      2 is an aryl radical, a heteroaryl radical, or an aryl-or heteroaryl-lower alkyl radical, R
      3 is hydrogen, lower alkyl or aryl and R
      4 is hydrogen, lower alkyl, cycloalkyl, cycloalkyl(lower)alkyl, aryl, or aryl(lower)alkyl or R
      3 and R
      4 together with the nitrogen atom to which they are both attached represent a saturated heterocyclic ring which may contain a further hetero atom and the dotted line represents a single or double bond, the hydrogen atoms shown in brackets being present when the dotted line represents a single bond and their pharmaceutically acceptable acid addition salts are 5-HT
      1A binding agents which may be used, for example, for the treatment of CNS disorders such as anxiety.
    • (I)其中A是任选被一个或多个低级烷基取代的1或2个碳原子的亚烷基链,R是氢或低级烷基,R 1是单或双环芳基或杂芳基,R 2是 芳基,芳基或杂芳基 - 低级烷基,R3是氢,低级烷基或芳基,R4是氢,低级烷基,环烷基,环烷基(低级)烷基,芳基或芳基(低级)烷基 或者R 3和R 4与它们所连接的氮原子一起表示饱和杂环,其可以含有另外的杂原子,虚线表示单键或双键,当虚线表示时,括号中所示的氢原子存在 代表单键,并且其药学上可接受的酸加成盐是可用于例如治疗CNS病症如焦虑症的5-HT1A结合剂。