| abstract |
Substituted 4- (3-alkenylbenzoyl) pyrazoles of the formula I wherein the substituents have the following meanings: R, R are hydrogen, nitro, halogen, cyano, rodano, alkyl, haloalkyl, alkoxyalkyl, alkenyl, alkynyl, -OR, -OCOR, -OSOR, -SH, -S (O) R, -SOOR, -SONRR, -NRSOR or -NRCOR; R is hydrogen, halogen, alkyl, haloalkyl, alkoxy, alkenyl or alkynyl; R, R are hydrogen, nitro, halogen, cyano, rhodano, alkyl, haloalkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, alkylthio, haloalkoxy, -COR, -COR, -COSR, -CONRR, -C (R) = NR, - PO (OR) (OR) optionally substituted alkyl, heterocyclyl, heterocyclylalkyl, phenyl, phenylalkyl, hetaryl or hetarylalkyl or R and R together form an alkanediyl chain which may be substituted or interrupted by a heteroatom. A method of obtaining compounds of formula I, agents containing these compounds, as well as the use of these compounds or agents containing them to combat undesirable vegetation. |