| abstract |
In Compounds I: Z is a group of the formula, m is 0, 1 or 2; n is 0, 1 or 2; Y is a linking group or is absent; R' is H or OH or is absent; ---- is an optional double bond; and R1, R2 and R3 are selected from a wide range of optionally substituted alkyl, cycloalkyl, aryl and heterocyclic groups. Compounds I are mGlu5 antagonists useful for the treatment of neuromuscular dysfunction of the lower urinary tract, migraine and gastroesophagael reflux disease in mammals. Preferred Compounds I are those having the formula |