IP Library Granted Patent US 7,323,569
Granted Patent B2
US 7,323,569 · App. 10/524,662 · Granted Jan 29, 2008

7-phenylpyrazolopyridine compounds

Assignee: Eisai R&D Management Co., Ltd.
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Quick Facts
Patent No.
US 7,323,569
App. No.
10/524,662
Granted
Jan 29, 2008
Kind
B2
Abstract

A compound represented by the formula: [wherein R 1 is methoxy, methylthio, ethyl, etc.; R 5 and R 6 are each independently cyclopropylmethyl, (4-tetrahydropyranyl)methyl, etc.; and two of R 40 , R 41 and R 42 are C 1-6 alkoxy while the remaining one is methoxymethyl, etc.], a salt thereof, or a hydrate of the foregoing. This compound has excellent antagonism against corticotropin-releasing factor receptor.

Claims (12)

1. An inorganic acid salt of N-cyclopropylmethyl-N-7-[2,6-dimethoxy-4-(methoxymethyl)phenyl]-2-ethylpyrazolo[1,5-a]pyridin-3-yl-N-tetrahydro-2H-4-pyranylmethylamine.

2. The inorganic acid salt according to claim 1 , wherein the inorganic acid is hydrochloric acid, hydrobromic acid or sulfuric acid.

3. N-cyclopropylmethyl-N-7-[2,6-dimethoxy-4-(methoxymethyl)phenyl]-2-ethylpyrazolo[1,5-a]pyridin-3-yl-N-tetrahydro-2H-4-pyranylmethylamine hydrochloride.

4. N-cyclopropylmethyl-N-7-[2,6-dimethoxy-4-(methoxymethyl)phenyl]-2-ethylpyrazolo[1,5-a]pyridin-3-yl-N-tetrahydro-2H-4-pyranylmethylamine hydrobromide.

5. N-cyclopropylmethyl-N-7-[2,6-dimethoxy-4-(methoxymethyl)phenyl]-2-ethylpyrazolo[1,5-a]pyridin-3-yl-N-tetrahydro-2H-4-pyranylmethylamine sulfate.

6. An organic acid salt of N-cyclopropylmethyl-N-7-[2,6-dimethoxy-4-(methoxymethyl)phenyl]-2-ethylpyrazolo[1,5-a]pyridin-3-yl-N-tetrahydro-2H-4-pyranylmethylamine.

7. The organic acid salt according to claim 6 , wherein the organic acid is sulfonic acid.

8. The organic acid salt according to claim 6 , wherein the organic acid is benzenesulfonic acid, ethanesulfonic acid, methane sulfonic acid or p-toluenesulfonic acid.

9. N-cyclopropylmethyl-N-7-[2,6-dimethoxy-4-(methoxymethyl)phenyl]-2-ethylpyrazolo[1,5-a]pyridin-3-yl-N-tetrahydro-2H-4-pyranylmethylamine benzenesulfonate.

10. N-cyclopropylmethyl-N-7-[2,6-dimethoxy-4-(methoxymethyl)phenyl]-2-ethylpyrazolo[1,5-a]pyridin-3-yl-N-tetrahydro-2H-4-pyranylmethylamine ethanesulfonate.

11. N-cyclopropylmethyl-N-7-[2,6-dimethoxy-4-(methoxymethyl)phenyl]-2-ethylpyrazolo[1,5-a]pyridin-3-yl-N-tetrahydro-2H-4-pyranylmethylamine methanesulfonate.

12. N-cyclopropylmethyl-N-7-[2,6-dimethoxy-4-(methoxymethyl)phenyl]-2-ethylpyrazolo[1,5-a]pyridin-3-yl-N-tetrahydro-2H-4-pyranylmethylamine toluenesulfonate.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 14, 2007
From: EISAI CO., LTD.
To: EISAI R&D MANAGEMENT CO., LTD.
Reel/Frame 019432/0019 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 13, 2005
From: HIBI, SHIGEKI; HOSHINO, YORIHISA; KIKUCHI, KOICHI; SHIN, KOGYOKU; TAKAHASHI, YOSHINORI; FUJISAWA, MASAE; SHIBATA, HISASHI; INO, MITSUHIRO
To: EISAI CO., LTD.
Reel/Frame 017311/0343 →
Priority Claims (1)
JP 2002-306695 · Oct 22, 2002 · national
Continuity (2)
Provisional Application 6042107100 · Oct 25, 2002
Related Publication 20060235011A1 · Oct 19, 2006