发明名称 |
HETEROCYCLIC COMPOUNDS, THEIR PRODUCTION AND USE |
摘要 |
A compound of formula (I): wherein R<1> and R<2> each is H or a hydrocarbon group which may be substituted, or R<1> and R<2> form a 3- to 8-membered carbo or heterocyclic ring which may be substituted; R<3> is H, a lower alkyl which may be substituted or an aromatic group which may be substituted; R<4> is (1) an aromatic group which may be substituted, (2) an aliphatic hydrocarbon group substituted by an aromatic group which may be substitued, which hydrocarbon group may be further substituted or (3) an acyl; X and Y each is oxygen or sulfur which may be oxidized; and ring A is a benzene ring which may be further substituted, or a salt thereof, is useful for an agent for suppressing neurodegeneration. |
申请公布号 |
WO9855454(A2) |
申请公布日期 |
1998.12.10 |
申请号 |
WO1998JP02482 |
申请日期 |
1998.06.04 |
申请人 |
TAKEDA CHEMICAL INDUSTRIES, LTD.;OHKAWA, SHIGENORI;SETOH, MASAKI;KAKIHANA, MITSURU;OKURA, MASAHIRO |
发明人 |
OHKAWA, SHIGENORI;SETOH, MASAKI;KAKIHANA, MITSURU;OKURA, MASAHIRO |
分类号 |
C07D307/79;C07D307/81;C07D405/12;C07D491/10 |
主分类号 |
C07D307/79 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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