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)中的化合物,其中R1至R4、X和A的定义如权利要求所述,并且其药用盐和
酯已被披露。 公式(I)的化合物具有作为组织选择性雄激素受体调节剂(
SARM)的效用,并且在激素疗法中有用,例如用于治疗或预防男性性腺功能减退和与年龄相关的病症,如男性更年期。