发明名称 |
A method of preparing cyclohexanecaraboxylic acid using (2+4) diels-alder reaction |
摘要 |
Disclosed herein is a method of preparing cyclohexanecarboxylic acid in which 1,3-butadiene and acrylic acid are subjected to [2+4] Diels-Alder reaction to produce 3-cyclohexene-1-carboxylic acid which is then hydrogenated. The [2+4] Diels-Alder reaction is carried out at a temperature of room temperature to 200 DEG C in an aromatic hydrocarbon solvent, such as toluene or xylene. The hydrogenation is carried out at a temperature of room temperature to 150 DEG C under a hydrogen pressure of 10 psi to 150 psi in the presence of the platinum of palladium catalyst. The disclosed method is featured in that it enables the use of 1,3-butadiene as the raw material for fine chemicals, unlike the prior methods. Moreover, the method disclosed is advantageous in that the reaction can be carried out in a relatively simple and easy manner and also the reaction by-products can be conveniently treated after the reaction. |
申请公布号 |
AU1513800(A) |
申请公布日期 |
2000.08.25 |
申请号 |
AU20000015138 |
申请日期 |
1999.12.04 |
申请人 |
KOREA KUMHO PETROCHEMICAL CO., LTD. |
发明人 |
YOUNG J. JOO;JIN-EOK KIM;CHANG-MIN KIM;JEONG-IM WON;HYUN-SANG JOO |
分类号 |
C07C51/00;C07B61/00;C07C51/353;C07C51/36;C07C61/08 |
主分类号 |
C07C51/00 |
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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