申请人:ZERIA PHARMACEUTICAL CO., LTD.
公开号:EP0753511A1
公开(公告)日:1997-01-15
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。