发明名称 |
Pyridine derivatives and their use as anti-allergic agents |
摘要 |
A compound of the formula <IMAGE> wherein R1 is a hydrogen atom or a lower alkyl group which may be substituted with hydroxy, lower alkyl or di-lower alkylamino; R2 is a hydrogen atom, an amino group or a lower alkylamino group; and R3 is a lower alkyl group, and a non-toxic salt thereof, and a process for preparing the same are disclosed. The compound and the salts thereof exhibit anti-allergic effects by the two different mechanisms and are expected to be useful as drugs for treating allergic diseases such as asthma, pollen allergy, atopic dermatitis and the like.
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申请公布号 |
US4691018(A) |
申请公布日期 |
1987.09.01 |
申请号 |
US19860860211 |
申请日期 |
1986.05.06 |
申请人 |
CHUGAI SEIYAKU KABUSHIKI KAISHA |
发明人 |
MORI, TAKASHI;OHI, NOBUHIRO;OHSUGI, YOSHIYUKI;YAMASHITA, YASUHIRO |
分类号 |
C07D213/55;A61K31/44;A61K31/4425;A61K31/455;A61P37/06;A61P37/08;C07D213/56;C07D213/81;(IPC1-7):C07D213/60 |
主分类号 |
C07D213/55 |
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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