| 摘要 |
Compounds of the formula <IMAGE> I wherein A denotes N or CR4, B denotes a carboxyl, carbo-(thio) ester, (substituted) carboxamide or carboxanilide, carbohydroxy(alkoxy)-amide, (substituted) carbohydrazide or (substituted) oxazoline group, X and Y denote, inter alia, alkyl or, together, spiroalkyl, Z denotes a carbo-(di)(thio) ester, carboxyl, (substituted) (thio)-carboxamide or -carboxanilide group or the radical of a ketone-acid or of a ketone-ester and R1, R2, R3 and R4 denote H or are identical or different and denote halogen, alkyl, alkoxy, alkoxycarbonyl, halogenoalkyl, NO2, CN, (substituted) phenyl or phenoxy, or two of these radicals can form a -CH=CH-CH=CH- group, are useful total or selective herbicides for application by the pre-emergence and, in some cases, the post-emergence method. |
