The present invention relates to ethynyl derivatives of formula I
wherein U, V, W, Y, R, R
1
, R
2
, R
3
and R
3′
are as 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、W、Y、R、R1、R2、R3和R3'如本文所述。已发现一般公式I的化合物是代谢型谷
氨酸受体亚型5(mGluR5)的别构调节剂。