Androstane derivative having substituent in 7- abd 17--positions
申请人:Nakamura Mitsuaki
公开号:US20050009797A1
公开(公告)日:2005-01-13
A compound of Formula (I):
[wherein R
1
represents a lower alkyl group, X represents an oxygen atom or a methylene group, m represents an integer of 1 to 10, and n represents an integer of 0 to 5] or a salt or ester thereof; a medicament and a pharmaceutical composition comprising one or more such compounds; a method for preventing or treating a disease closely related to androgen, which comprises administering an effective amount of one or more such compounds; a kit used for such prevention or treatment; and the use of one or more such compounds for the manufacture of the medicament.
was investigated. Compounds 6 and 7, which have a carboxylic acid at the end of the sidechain at the position 7alpha of dihydrotestosterone (DHT), showed partial agonistic activities in reporter gene assay (RGA). Conversion of the steroidal core structure to 17alpha-methyltestosterone gave compound 14, which showed weak pure antagonistic activity. Optimization of the sidechain by the insertion of