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    • 2. 发明申请
    • ETHYNYL DERIVATIVES
    • 乙炔衍生物
    • WO2011073172A1
    • 2011-06-23
    • PCT/EP2010/069593
    • 2010-12-14
    • F. HOFFMANN-LA ROCHE AGGREEN, LukeGUBA, WolfgangJAESCHKE, GeorgJOLIDON, SyneseLINDEMANN, LotharSTADLER, HeinzVIEIRA, Eric
    • GREEN, LukeGUBA, WolfgangJAESCHKE, GeorgJOLIDON, SyneseLINDEMANN, LotharSTADLER, HeinzVIEIRA, Eric
    • C07D471/04C07D487/04A61K31/4162A61P25/00
    • C07D487/04C07D471/04
    • The present invention relates to ethynyl derivatives of formula (I) wherein X is N or C-R 1 ; Y is N or C-R 2 ; Z is CH or N; R 4 is a 6-membered aromatic substituent containing 0, 1 or 2 nitrogen atoms, optionally substituted by 1 to 3 groups, selected from halogen, lower alkyl, lower alkoxy or NRR'; R 1 is hydrogen, lower alkyl, lower alkoxy, hydroxy, lower hydroxyalkyl, lower cycloalkyl or is heterocycloalkyl optionally substituted with hydroxy or alkoxy; R 2 is hydrogen, CN, lower alkyl or heterocycloalkyl; R and R' are independently from each other hydrogen or lower alkyl; or to a pharmaceutically acceptable salt or acid addition salt, to a racemic mixture, or to its corresponding enantiomer and/or optical isomer and/or stereoisomer thereof. It has now surprisingly been found that the compounds of general formula (I) are positive allosteric modulators (PAM) of the metabotropic glutamate receptor subtype 5 (mGluR5) and they are therefore useful for the treatment of diseases related to this receptor.
    • 本发明涉及式(I)的乙炔基衍生物,其中X是N或C-R 1; Y是N或C-R2; Z是CH或N; R4是含有0,1或2个氮原子的6元芳族取代基,任选被1至3个选自卤素,低级烷基,低级烷氧基或NRR'的基团取代; R 1是氢,低级烷基,低级烷氧基,羟基,低级羟基烷基,低级环烷基或任选被羟基或烷氧基取代的杂环烷基; R2是氢,CN,低级烷基或杂环烷基; R和R'彼此独立地为氢或低级烷基; 或其药学上可接受的盐或酸加成盐,或其相应的对映异构体和/或其旋光异构体和/或立体异构体。 现在惊奇地发现,通式(I)的化合物是代谢型谷氨酸受体亚型5(mGluR5)的正变构调节剂(PAM),因此它们可用于治疗与该受体有关的疾病。