发明名称 |
PRODUCTION METHOD FOR REFINED 6-BROMO-2-NAPHTHALENECARBOXYLIC ACID PRODUCT |
摘要 |
The present invention provides a method, as a means for industrially producing a refined 6-bromo-2-naphthalenecarboxylic acid product from a crude 6-bromo-2-naphthalenecarboxylic acid product, comprising: causing the above crude product to react with sodium hydroxide in water to precipitate a sodium salt of 6-bromo-2-naphthalenecarboxylic acid; performing recrystallization treatment for the obtained precipitate; causing the obtained crystal to react with acid in water to precipitate 6-bromo-2-naphthalenecarboxylic acid; and recovering the obtained precipitate.
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申请公布号 |
US2013225860(A1) |
申请公布日期 |
2013.08.29 |
申请号 |
US201013881313 |
申请日期 |
2010.10.28 |
申请人 |
NAMEKATA TAKESHI;ITO IKUO;AIR WATER INC. |
发明人 |
NAMEKATA TAKESHI;ITO IKUO |
分类号 |
C07C51/487 |
主分类号 |
C07C51/487 |
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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