发明名称 |
FREMGANGSMAATE FOR FREMSTILLING AV ET NAFTHALENDERIVAT OG ET SYNTETISK MELLOMPRODUKT DERAV. |
摘要 |
<p>A novel process for preparing a naphthalene derivative of the formula: <CHEM> wherein R<1> and R<2> are a lower alkoxycarbonyl group or both may combine to form a group of the formula : <CHEM> one of R<3> and R<4> is hydrogen atom or a lower alkoxy group and the other is a lower alkoxy group; ring A is a substituted or unsubstituted benzene ring, which is useful as a hypolipidemic agent, and a novel intermediate of the formula: <CHEM> wherein R1, R2, R3, R4 and ring A are the same as defined above.</p> |
申请公布号 |
NO900513(D0) |
申请公布日期 |
1990.02.02 |
申请号 |
NO19900000513 |
申请日期 |
1990.02.02 |
申请人 |
TANABE SEIYAKU CO LTD |
发明人 |
IWASAKI, TAMEO;OHMIZU, HIROSHI;TAKAHASHI, MASAMI |
分类号 |
C07C67/31;C07C67/313;C07C67/347;C07C69/76;C07C69/94;C07D307/88;C07D307/92;C07D317/70;C07D493/04;C07F7/18;(IPC1-7):C07C/ |
主分类号 |
C07C67/31 |
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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