The invention relates to heterocyclic derivatives of formula (I) as well as their pharmaceutically acceptable salts. The invention further relates to a process for the preparation of such compounds. The compounds of the invention are mGluR5 modulators and are therefore useful for the control and prevention of acute and/or chronic neurological disorders wherein Y, W, R1, R2 and R3 are as defined in claim 1.
该发明涉及公式(I)的杂环衍
生物及其药学上可接受的盐。该发明还涉及制备这类化合物的方法。该发明的化合物是mGluR5调节剂,因此对于控制和预防急性和/或慢性神经系统疾病是有用的,其中Y、W、R1、R2和R3如权利要求1中所定义。