| 摘要 |
Sulfonium and sulfoxonium salts of the formula <IMAGE> wherein X and Y are independently a hydrogen atom, a halogen atom, a trihalomethyl group, a nitro group, an alkyl group or a cyano group; Z is a halogen atom, a trihalomethyl group, an alkyl group, cyano group or -S(O)mR, wherein m is 0, 1 or 2 and R is an alkyl group; A is a halogen atom, a nitro group or a cyano group; B is a negatively charged organic substituent; n is 0 or 1, each R1 is independently an alkyl group, an aryl group or -N(R2)2 wherein R2 is an alkyl group or an aryl group; S is sulfur; and N is nitrogen, and compositions containing these salts exhibit herbicidal activity.
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