PHENYLETHENYL OR PHENYLETHINYL DERIVATIVES, PROCESS FOR THEIR PREPARATION, PHARMACEUTICAL COMPOSITIONS COMPRISING SAME AND USE THEREOF FOR THE MANUFACTURE OF MEDICAMENTS FOR THE TREATMENT OR PREVENTION OF mGluR5 RECEPTOR MEDIATED DISORDERS

摘要

This invention relates to a compound and the use of the compound of the formula wherein R¹, R², R³, R⁴ and R⁵ are as defined in the description, A signifies -CH-CH- or -C≡C-; and B signifies wherein R⁶ to R²⁶, X and Y are as defined in the specification or a pharmaceutically acceptable salt thereof, for use in pharmaceutical compositions for the treatment or prevention of mGluR5 receptor mediated disorders.