| 发明名称 |
PROCESS FOR PRODUCING 2,5-DIHYDROXYTEREPHTHALIC ACID |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a process for producing 2,5-dihydroxyterephthalic acid under industrially advantageous conditions which is safe and inexpensive and inhibits the damage of reaction equipment and the like. <P>SOLUTION: The process for producing 2,5-dihydroxyterephthalic acid comprises a step of reacting a hydroquinone dialkali metal salt with carbon dioxide in the presence of a potassium salt represented by formula (I): C<SB POS="POST">n</SB>H<SB POS="POST">2n+1</SB>COOK (wherein n is an integer of 1-17) in a reaction medium. <P>COPYRIGHT: (C)2013,JPO&INPIT |
| 申请公布号 |
JP2013010741(A) |
申请公布日期 |
2013.01.17 |
| 申请号 |
JP20120022050 |
申请日期 |
2012.02.03 |
| 申请人 |
UENO FINE CHEM IND LTD |
发明人 |
KIDA YUSUKE;OTSUKA RYOICHI |
| 分类号 |
C07C51/15;C07B61/00;C07C65/05 |
主分类号 |
C07C51/15 |
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