SUBSTITUTED N-PHENYL 2-HYDROXY-2-METHYL-3,3,3-TRIFLUOROPROPANAMIDE DERIVATIVES WHICH ELEVATE PYRUVATE DEHYDROGENASE ACTIVITY

摘要

A compound of formula (I) wherein: n is 1 or 2; R1 is chloro, fluoro, bromo, methyl or methoxy; R2 is as defined within; R3 is as defined within; and R4 is hydrogen or fluoro; or a pharmaceutically acceptable salt or an in vivo hydrolysable ester thereof is described. The use of compounds of formula (I) in the production of an elevation of PDH activity in a warm-blooded animal such as a human being are also described. Pharmaceutical compositions, metho ds and processes for preparation of compounds of formula (I) are detailed.