发明名称 |
Production method of pyrrolidone carboxylic acid and salt thereof |
摘要 |
The present invention provides a production method of pyrrolidone carboxylic acid or a salt thereof, which includes bringing glutamic acid or a salt thereof into contact with high-temperature high-pressure water having a temperature of above 100° C. and not higher than 300° C., and a pressure higher than the vapor pressure of water at this temperature. The present invention affords efficient production and supply of pyrrolidone carboxylic acid or a salt thereof from glutamic acid or a salt thereof.
|
申请公布号 |
US2003018202(A1) |
申请公布日期 |
2003.01.23 |
申请号 |
US20020198571 |
申请日期 |
2002.07.19 |
申请人 |
AJINOMOTO CO., INC |
发明人 |
SUZUKI YUICHI;YUMIOKA RYOSUKE;TABOBASHI TATSURU |
分类号 |
C07D207/28;(IPC1-7):C07D207/28 |
主分类号 |
C07D207/28 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|