申请人:Somei Masanori
公开号:US20070197629A1
公开(公告)日:2007-08-23
This invention relates to a compound represented by formula (I) or a salt thereof, and a therapeutic agent for osteoporosis, an osteoblast activator, and an osteoclast suppressor comprising the same:
wherein X represents a halogen atom; R
1
represents a hydrogen atom, substituted or unsubstituted C
1-6
alkyl, substituted or unsubstituted C
2-6
alkenyl, substituted or unsubstituted C
2-6
alkynyl, a substituted or unsubstituted aromatic group, substituted or unsubstituted aralkyl, substituted or unsubstituted acyl, substituted or unsubstituted arylsulfonyl, substituted or unsubstituted C
1-6
alkylsulfonyl, or hydroxyl; R
2
represents substituted or unsubstituted C
1-21
alkyl; R
3
, R
5
and R
6
, which may be the same or different, each represent a hydrogen atom or a halogen atom; and R
4
represents a hydrogen atom or substituted or unsubstituted C
1-6
alkyl.
本发明涉及一种由式(I)表示的化合物或其盐,以及用于骨质疏松症的治疗剂、骨细胞活化剂和骨吸收抑制剂,其中X代表卤素原子;R1代表氢原子、取代或未取代的C1-6烷基、取代或未取代的C2-6烯基、取代或未取代的C2-6炔基、取代或未取代的芳香族、取代或未取代的芳基烷基、取代或未取代的酰基、取代或未取代的芳基磺酰基、取代或未取代的C1-6烷基磺酰基或羟基;R2代表取代或未取代的C1-21烷基;R3、R5和R6,可以相同也可以不同,每个代表氢原子或卤素原子;R4代表氢原子或取代或未取代的C1-6烷基。