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    • 33. 发明申请
    • ETHYNYL DERIVATIVES
    • 乙炔衍生物
    • WO2015044075A1
    • 2015-04-02
    • PCT/EP2014/070100
    • 2014-09-22
    • F. HOFFMANN-LA ROCHE AGHOFFMANN-LA ROCHE INC.
    • BIEMANS, BarbaraGUBA, WolfgangJAESCHKE, GeorgRICCI, AntonioRUEHER, DanielVIEIRA, Eric
    • C07D405/14C07D401/04C07D401/10C07D405/04C07D239/91C07D471/04C07D473/04C07D487/04C07D495/04C07D513/04A61K31/517A61P3/10A61P25/10A61P25/22A61P25/24
    • C07D239/96C07D239/91C07D401/04C07D401/10C07D405/04C07D405/14C07D471/04C07D473/04C07D475/02C07D475/04C07D487/04C07D487/06C07D495/04C07D513/04
    • The present invention relates to compounds of formula I wherein Y is N or C-R 1' ; G is a 5 or 6-membered aromatic or heteroaromatic ring containing 0, 1, 2 or 3 heteroatoms, selected from the group consisting of phenyl, pyridinyl with different N-positions, imidazolyl, pyrazinyl, pyrimidinyl, thiophenyl, thiazolyl, pyrazolyl or thiadiazolyl, which are optionally substituted by 1, 2 or 3 substituents, selected from the group consisting of halogen, lower alkyl, lower alkoxy, lower alkoxy substituted by halogen or NRR'; R and R' are independently from each other hydrogen or lower alkyl, or may form together with the N atom to which they are attached a five or six membered saturated heterocyclic group which may contain an additional oxygen, NH, or N-lower alkyl group; R 1 is hydrogen, halogen or lower alkyl substituted by halogen; R 1' is hydrogen, halogen or lower alkyl substituted by halogen; R 2 is hydrogen, lower alkyl, lower alkoxyalkyl, cycloalkyl or heterocycloalkyl; or R 2 may form together with the closest carbon atom in group G a group (IA) for A being -CH 2 -, -CH 2 CH 2 , or -C(CH 3 ) 2 -, R 3 is phenyl or pyridinyl, wherein the N atom in the pyridinyl group may be in different positions; 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 been surprisingly been found that the compounds of general formula I are positive allosteric modulators (PAMs) of metabotropic glutamate receptor 4 (mGluR4), useful for the treatment of Parkinson's disease, anxiety, emesis, obsessive compulsive disorder, autism, neuroprotection, cancer, depression and diabetes type 2.
    • 本发明涉及式I化合物,其中Y是N或C-R 1'; G是含有0,1,2或3个杂原子的5或6元芳族或杂芳环,选自苯基,具有不同N-位的吡啶基,咪唑基,吡嗪基,嘧啶基,噻吩基,噻唑基,吡唑基或噻二唑基 其任选被1,2或3个选自卤素,低级烷基,低级烷氧基,被卤素或NRR'取代的低级烷氧基的取代基取代; R和R'彼此独立地为氢或低级烷基,或者可以与它们所连接的N原子一起形成五元或六元饱和杂环基,其可以含有另外的氧,NH或N-低级烷基 ; R1是氢,卤素或被卤素取代的低级烷基; R 1'是氢,卤素或被卤素取代的低级烷基; R2是氢,低级烷基,低级烷氧基烷基,环烷基或杂环烷基; 或R 2可以与G中最接近的碳原子一起形成A的基团(IA)为-CH 2 - , - CH 2 CH 2或-C(CH 3)2 - ,R 3为苯基或吡啶基,其中吡啶基中的N原子 组可能处于不同的位置; 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。 已经令人惊奇地发现,通式I的化合物是代谢型谷氨酸受体4(mGluR4)的正变构调节剂(PAM),其可用于治疗帕金森病,焦虑,呕吐,强迫症,孤独症,神经保护,癌症 ,抑郁症和糖尿病2型。