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, methods and processes for preparation of compounds of formula (I) are detailed.
化合物的
化学式(I),其中:n为1或2;R1为
氯、
氟、
溴、甲基或甲氧基;R2如定义;R3如定义;R4为氢或
氟;或其药学上可接受的盐或体内可
水解的酯。描述了在温血动物(如人类)中使用化合物的
化学式(I)来提高PDH活性。详细描述了化合物的
化学式(I)的制备的药物组合物、方法和过程。