| 发明名称 |
Process for the production of 5-arylidene hydantoins (B) |
| 摘要 |
5-Arylidene hydantoins are produced by condensation of an aromatic aldehyde with hydantoin in the presence of at least one ammonium salt of an aliphatic or aromatic carboxylic acid. The desired 5-arylidene hydantoins are obtained in high yields.
|
| 申请公布号 |
US4345072(A) |
申请公布日期 |
1982.08.17 |
| 申请号 |
US19810251540 |
申请日期 |
1981.04.06 |
| 申请人 |
DEGUSSA AG |
发明人 |
KLEEMANN, AXEL;LUSSLING, THEODOR;PFEIFER, WOLF;SCHERBERICH, PAUL |
| 分类号 |
C07D233/96;(IPC1-7):C07D233/72;C07D233/76 |
主分类号 |
C07D233/96 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
