The present invention relates to an indole derivative represented by formula (1) or a salt thereof, and a pharmaceutical containing the derivative or the salt:
[wherein R1 represents lower alkyl; R2 represents hydrogen or phenyl which may be substituted by at least one lower alkyl, lower alkoxy or a halogen atom; R3 represents hydrogen, lower alkyl, lower alkoxy, or phenylalkyloxy which may be substituted by halogen or lower alkyl; R4 represents hydrogen, lower alkyl or lower alkoxy; R5 represents hydrogen or lower alkyl; and n represents an integer of 1 to 5]. This compound has the effects of both blocking α1-adrenergic receptors and inhibiting testosterone 5α-reductases, and is useful as a remedy and/or a preventive for diseases caused by dihydrotestosterone overproduction, such as prostatic hypertrophy, and diseases accompanying the same, such as urination disorder, male pattern alopecia, acne, and so forth.
本发明涉及一种由式(1)表示的
吲哚衍
生物或其盐,以及一种含有该衍
生物或该盐的药物:
[其中 R1 代表低级烷基;R2 代表氢或苯基,可被至少一个低级烷基、低级烷氧基或卤素原子取代;R3 代表氢、低级烷基、低级烷氧基或苯基烷氧基,可被卤素或低级烷基取代;R4 代表氢、低级烷基或低级烷氧基;R5 代表氢或低级烷基;n 代表 1 至 5 的整数]。该化合物具有阻断α1-
肾上腺素能受体和抑制
睾酮 5α-还原酶的作用,可用于治疗和/或预防双氢
睾酮过度分泌引起的疾病,如前列腺肥大,以及伴随前列腺肥大的疾病,如排尿障碍、男性型脱发、痤疮等。