C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 487/04 (2006.01) A61K 31/505 (2006.01) A61K 31/53 (2006.01)
Patent
CA 2108798
Abstract of the Disclosure This invention provides a condensed pyrazole derivative of the Formula (1) : Image (1) (where A denotes CH or N, R0 and R3 denote same or different, a hydrogen atom or a lower alkyl group, R1 and R2 denote same or different, a hydrogen atom, a lower alkyl group, a lower alkoxy group, a lower alkylthio group, a nitro group or a halogen atom, m denotes 1 or 2, and n denotes 1, 2 or 3, provided that, when n is 2, two R2 may be connected to each other to form a lower alkylenedioxy group), or its pharmaceutically acceptable salt. This derivative or its salt is excellent in the effect of inhibiting the expression of action of androgen, thereby being excellent in therapeutical effect of benign prostatic hypertrophy, prostatic carcinoma, etc., and has a long lasting of efficacy and high oral absorption. 1 7 2
Edamatsu Koji
Kishi Kazumasa
Kiyokawa Hiroshi
Kiyono Kunihiko
Miyajima Keisuke
Otsuka Pharmaceutical Co. Ltd.
Riches Mckenzie & Herbert Llp
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