发明名称 |
Halo-containing 3-methylflavone-8-carboxylic acid derivatives |
摘要 |
This invention relates to derivatives of 3-methylflavone-8-carboxylic acid represented by the formula (1) <IMAGE> (1) wherein R represents a hydrogen atom, a lower alkyl group or a group <IMAGE> (wherein R1 and R2 represent a lower alkyl group or R1 and R2, when taken together with the nitrogen atom to which they are attached, may form a heterocyclic ring with or without an intervening hetero atom, and n is an integer of 1 to 4), and X represents a halogen atom, which are useful as intermediates. This invention also relates to processes for preparing the same.
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申请公布号 |
US4634768(A) |
申请公布日期 |
1987.01.06 |
申请号 |
US19850719025 |
申请日期 |
1985.04.04 |
申请人 |
YAMAMOTO CHEMICAL INDUSTRIAL CO., LTD.;OSAKA MUNICIPAL GOVERNMENT |
发明人 |
INOUE, HIROSHIGE;FUKUSHIMA, KENICHI;NISHIGUCHI, IKUZO |
分类号 |
A61K31/35;A61K31/352;A61P9/08;A61P9/10;C07D295/088;C07D311/30;(IPC1-7):C07D309/32;C07D405/12;C07D413/12 |
主分类号 |
A61K31/35 |
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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