| abstract |
Disclosed are compounds of formula (I) or the salts thereof, wherein R<1> represents carboxy or a derivative of the carboxyl group, preferably a radical of formula -CN, -C(=X)-Y-R, or -C(=X)-Het wherein X represents a divalent radical of formula O, S, or NR<a> or N-NR<a>R<b>, R<a> and R<b> being defined as indicated in claim 1, while Y represents a group of formula O, S, NR<c>, or NR<c>-NR<d>R<e>, R<c>, R<d>, and R<e> being defined as indicated in claim 1, R<2>, R<3>, R<4>, R<5>, and R<6>, Z, Z', Z" are defined as indicated in claim 1, m represents an integer 0 or 1, n represents an integer 0 or 1, and o represents an integer 0 or 1, the sum m + n + o being an integer 1, 2, or 3. In case of the alternatives (b) defined above, at least one of the radicals R<3>, R<4>, and R<5> is selected among radicals of the group comprising hydrogen and acyl. The inventive compounds are suitable as safeners or resistance inducers for cultivated plants or useful plants, preferably as safeners against phytotoxic effects of agrochemicals, such as pesticides, on said plants. |