| 发明名称 |
Method for preparing 2-hydroxy-6-ureidocarbonyl naphthalene derivative |
| 摘要 |
Disclosed is a method for preparing a 2-hydroxy-6-ureidocarbonyl naphthalene derivative. The method comprises the step of reacting 2-hydroxy-6-aminocarbonyl naphthalene and a isocyanate in an organic solvent at a temperature of 90-200° C. According to the present invention, 2-hydroxy-6-ureidocarbonyl naphthalene derivative can easily be obtained within relatively short time and high yield.
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| 申请公布号 |
US7030261(B2) |
申请公布日期 |
2006.04.18 |
| 申请号 |
US20050048876 |
申请日期 |
2005.02.03 |
| 申请人 |
KABUSHIKI KAISHA UENO SEIYAKU OYO KENKYUJO |
发明人 |
KITAYAMA MASAYA;WAKAMORI HIROYUKI;YONETANI NOBUHIRO |
| 分类号 |
C07C205/45;C07C275/54;C07C253/30;C07C273/02;C07C273/06;C07C273/18;C07C275/30 |
主分类号 |
C07C205/45 |
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