Title:
IMIDAZOLYLQUINOXALINEDIONE DERIVATIVE AND PHARMACEUTICAL COMPOSITION THEREOF
Document Type and Number:
WIPO Patent Application WO/1994/026737
Kind Code:
A1
Abstract:
An imidazolylquinoxalinedione derivative, represented by general formula (I), useful as a glutamate receptor antagonist, a pharmaceutically acceptable salt thereof, and a pharmaceutical composition containing the same as the active ingredient, wherein R1 represents hydrogen or lower alkyl; R2 represents hydrogen or hydroxy; X represents -O-, -NR4- or -S(O)n-; R4 represents hydrogen or lower alkyl; n represents 0, 1 or 2; A represents a direct bond or lower alkylene; and R3 represents (1) lower alkyl, (2) carboxy, or (3) phenyl, cycloalkyl or mono- or bicyclic heterocyclic group wherein the heteroatom(s) is(are) N and/or S, each of which may be substituted.
Inventors:
SAKAMOTO SHUICHI (JP)
SHISHIKURA JUN-ICHI (JP)
IWATA MASAHIRO (JP)
OKADA MASAMICHI (JP)
SASAMATA MASAO (JP)
SHISHIKURA JUN-ICHI (JP)
IWATA MASAHIRO (JP)
OKADA MASAMICHI (JP)
SASAMATA MASAO (JP)
Application Number:
PCT/JP1994/000758
Publication Date:
November 24, 1994
Filing Date:
May 11, 1994
Export Citation:
Assignee:
YAMANOUCHI PHARMA CO LTD (JP)
SAKAMOTO SHUICHI (JP)
SHISHIKURA JUN ICHI (JP)
IWATA MASAHIRO (JP)
OKADA MASAMICHI (JP)
SASAMATA MASAO (JP)
SAKAMOTO SHUICHI (JP)
SHISHIKURA JUN ICHI (JP)
IWATA MASAHIRO (JP)
OKADA MASAMICHI (JP)
SASAMATA MASAO (JP)
International Classes:
C07D521/00; (IPC1-7): C07D403/04; A61K31/495
Domestic Patent References:
| WO1993020077A1 | 1993-10-14 |
Foreign References:
| JPS4538701B1 |
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