发明名称 |
Purification of pyrethroid intermediate compounds by selective partial saponification |
摘要 |
Saponifiable impurities are removed from pyrethroid intermediates represented by the structure <IMAGE> wherein R represents an alkyl radical having from 1 to about 30 carbon atoms and wherein X1 and X2 each represent a halogen by selectively saponifying said impurities by reaction with an aqueous base.
|
申请公布号 |
US4288610(A) |
申请公布日期 |
1981.09.08 |
申请号 |
US19800123879 |
申请日期 |
1980.02.25 |
申请人 |
STAUFFER CHEMICAL COMPANY |
发明人 |
RUMANOWSKI, EDMUND J. |
分类号 |
C07C69/743;A01N53/00;C07C;C07C67/48;C07C67/60;C07C69/747;(IPC1-7):C07C67/60;C07C69/74 |
主分类号 |
C07C69/743 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|