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.
本发明提供了公式I的化合物及其制备和纯化的方法。公式I的化合物可用作制造6-(芳基羰基)-4-氧代胺基-二氢苯并
硫吡啶除草剂的中间体。