申请人:Ube Industries, Ltd.
公开号:US04213775A1
公开(公告)日:1980-07-22
New diphenyl ether derivatives having one to three substituents selected from a halogen atom and a trifluoromethyl group at any optional one to three positions of the 2'-, 3'-, 4'-, 5'- and 6'-positions in one phenyl moiety and nitro group at the 4-position and unsubstituted or substituted aminosulfonyl group at the 3-position in another phenyl moiety. They have a superior herbicidal effect and can be prepared starting from a known 3-benzylmercapto compound through three steps.
新的二苯醚衍生物在一个苯基团的2'-、3'-、4'-、5'-和6'-位置中的任意一个到三个位置具有卤素原子和三氟甲基基团中的一个到三个取代基,并在另一个苯基团中的4-位置具有硝基基团和未取代或取代氨基磺酰基团。它们具有优越的除草效果,并且可以从已知的3-苯基巯基化合物经过三个步骤制备。