| abstract |
Compounds of formula (I) or a salt thereof which X is O or S; (Y) = n substituents Y, n is 0, 1, 2, 3 or 4, R is H, OH, NH, (C-C) alkylamino, di - [(C-C) alkyl] amino or optionally substituted ( C-C) alkyl, (C-C) alkenyl, (C-C) alkynyl or (C-C) alkoxy, (C-C) cycloalkyl, (C-C) cycloalkenyl, aryl or heterocyclyl, R is H or optionally substituted (C-C) alkyl, (C-C) alkenyl, (C-C) alkynyl, (C-C) cycloalkyl, (C-C) cycloalkenyl, aryl or heterocyclyl, where Y is defined as in claim 1, suitable as protective agents for cultivated or useful plants against the phytotoxic effects of agrochemicals such as pesticides on these plants. |