#$%^&*AU2008201963B220120301.pdf#####P \WPDOCSWD1rSpecs\2I72Z18i 4bact doc2)AW/2(X Arylsulfanyl and Heteroarylsulfanyl Derivatives for Treating Pain According to the invention there is provided a compound the formula I wherein: A is an optionally substituted: phenyl, naphthyl, pyridyl, pyrazinyl, pyridazinyl, paramidal, thienyl, thiazolyl, oxazolyl or thiadiazolyl B is an optionally substituted: phenyl, pyridyl, 5 thiazolyl, oxazolyl, thienyl, thiadiazolyl, isoxazole, pyrazole, furyl, pyrrolyl, imidazolyl, pyrazinyl, pyridazinyl, pyrimidyl, pyridone, pyrimidone, pyrazinone or pyridazinone X is optionally substituted: pyridyl, pyrazinyl, pyrimidinyl, pyridazinyl, pyrrolyl, thienyl, furyl, imidazolyl, pyrazolyl, thiazolyl, isothiazolyl, oxazolyl, isoxazolyl or phenyl. R is CO 2H, CO 2R, COSO 2NR 2 , tetrazolyl, P(O) or (OR) 2 or SONH 2 . R2 is H, C1-6 alkyl, C2-6 alkenyl, io C2-6 alkynyl or CI. 3 alkylaryl. R3 is H or C .5 alkyl. R4 is H or CI.5 alkyl. R is C1.6 alkyl or optionally substituted phenyl.
