The present invention relates to ethynyl derivatives of formula I
wherein U, V, Y, R
1
, R
2
, R
2′
, R
3
, R
3′
and R
8
are described herein.
It has been found that the compounds of general formula I are allosteric modulators of the metabotropic glutamate receptor subtype 5 (mGluR5).
本发明涉及公式I的
乙炔衍
生物,其中U、V、Y、R1、R2、R2'、R3、R3'和R8如本文所述。已发现通式I的化合物是代谢型谷
氨酸受体亚型5(mGluR5)的变构调节剂。