发明名称 |
Process for producing 2-hydroxynaphthalene-3,6-dicarboxylic acid |
摘要 |
The present invention relates to a process for preparing 2-hydroxynaphthalene-3,6-dicarboxylic acid which comprises reacting potassium 2-naphtholate and carbon dioxide at a temperature 290 DEG C. or higher under a pressure 30 kg/cm2 (G) or higher. According to this process, 2-hydroxynaphthalene-3,6-dicarboxylic acid can be obtained in high yield.
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申请公布号 |
US6133475(A) |
申请公布日期 |
2000.10.17 |
申请号 |
US19980091289 |
申请日期 |
1998.06.16 |
申请人 |
KABUSHIKI KAISHA UENO SEIYAKU OYO KENKUJO |
发明人 |
UENO, RYUZO;KITAYAMA, MASAYA;UCHIYAMA, YOSHIRO;NARA, SYUNGO |
分类号 |
C07C51/15;C07C65/11;(IPC1-7):C07C51/15 |
主分类号 |
C07C51/15 |
代理机构 |
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