The present invention is concerned with novel isoxazoles of formula I
wherein X, R
1
, R
2
, R
3
and R
4
are as described herein, as well as pharmaceutically acceptable salts and esters thereof. The active compounds of the present invention have affinity and selectivity for GABA A α5 receptor. Further the present invention is concerned with the manufacture of the active compounds of formula I, pharmaceutical compositions containing them and their use as therapeutics.
本发明涉及公式I的新型
异噁唑,其中X,R1,R2,R3和R4如本文所述,以及其药学上可接受的盐和酯。本发明的活性化合物具有对
GABA A α5受体的亲和力和选择性。此外,本发明还涉及制造公式I的活性化合物,含有它们的药物组合物以及它们作为治疗药物的用途。