CHEMICAL COMPOUNDS
wherein R1 is C1-8alkyl optionally interrupted by an oxygen atom ; R2 is hydrogen, fluoro, bromo, chloro, methyl or trifluoromethyl ; R3 is hydrogen or fluoro and in vivo hydrolysable esters and pharmaceutically acceptable salts thereof are described as (β3-adrenoceptor agonists having anti-obesity and related therapeutic utilities. Processes for their preparation are described as are compositions containing them.
化学化合物,其中R1是C1-8烷基,可选地由氧原子中断;R2是氢,
氟,
溴,
氯,甲基或三
氟甲基;R3是氢或
氟,并且在体内
水解的酯和药学上可接受的盐被描述为具有抗肥胖和相关治疗效用的(β3-
肾上腺素受体激动剂。描述了它们的制备过程,以及含有它们的组合物。