Compounds of formula (I)
wherein R1 to R4, X and A are as defined in the claims and pharmaceutically acceptable salts and esters thereof, are disclosed. The compounds of formula (I) possess utility as tissue-selective androgen receptor modulators (SARM) and are useful in hormonal therapy, e.g., in the treatment or prevention of male hypogonadism and age-related conditions such as andropause.
公式(I)的化合物公开,其中R1至R4,X和A如权利要求中所定义,并且其药学上可接受的盐和酯。公式(I)的化合物具有组织选择性雄激素受体调节剂(
SARM)的作用,并且在激素疗法中非常有用,例如在男性性腺功能减退和与年龄相关的病症(如衰老期)的治疗或预防中。