The present invention provides compounds of formula I and processes for the preparation and purification thereof. ##STR1## Compounds of formula I are useful as intermediates in the manufacture of 6-(arylcarbonyl)-4-oximino-dihydrobenzothiopyran herbicidal agents.
PROCESS FOR THE PREPARTION OF 6-(ARYLCARBONYL)-4-OXIMO-DIHYDROBENZOTHIOPYRAN HERBICIDES AND INTERMEDIATES USEFUL THEREIN
申请人:——
公开号:US20010014745A1
公开(公告)日:2001-08-16
The present invention provides compounds of formula I and processes for the preparation and purification thereof.
1
Compounds of formula I are useful as intermediates in the manufacture of 6-(arylcarbonyl)-4-oximino-dihydrobenzothiopyran herbicidal agents.
Process for the preparation of 6-(arylcarbonyl)-4-oximo-dihydrobenzothiopyran herbicides and intermediates useful therein
申请人:American Cyanamid Company
公开号:EP0915092A1
公开(公告)日:1999-05-12
The present invention provides compounds of formula I and processes for the preparation and purification thereof.
Compounds of formula I are useful as intermediates in the manufacture of 6-(arylcarbonyl)-4-oximino-dihydrobenzothiopyran herbicidal agents.
本发明提供了式 I 化合物及其制备和纯化工艺。
式 I 化合物可用作生产 6-(芳羰基)-4-氧亚氨基二氢苯并噻喃除草剂的中间体。