Title:
BENZOPYRAN DERIVATIVE
Document Type and Number:
WIPO Patent Application WO/1994/025021
Kind Code:
A1
Abstract:
A benzopyran derivative represented by general formula (I) and a pharmaceutically acceptable salt thereof, whrein R, X and Y represent together any of the combinations represented by (A). These compounds are excellent in the potassium channel activity and also in safety.
Inventors:
KOGA HIROSHI (JP)
SATO HARUHIKO (JP)
ISHIZAWA TAKENORI (JP)
SATO HARUHIKO (JP)
ISHIZAWA TAKENORI (JP)
Application Number:
PCT/JP1994/000682
Publication Date:
November 10, 1994
Filing Date:
April 25, 1994
Export Citation:
Assignee:
CHUGAI PHARMACEUTICAL CO LTD (JP)
KOGA HIROSHI (JP)
SATO HARUHIKO (JP)
ISHIZAWA TAKENORI (JP)
KOGA HIROSHI (JP)
SATO HARUHIKO (JP)
ISHIZAWA TAKENORI (JP)
International Classes:
C07D311/58; (IPC1-7): A61K31/35; C07D311/58
Domestic Patent References:
| WO1992002514A1 | 1992-02-20 |
Foreign References:
| JPH05294954A | 1993-11-09 |
Other References:
See also references of EP 0702952A4
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