Pyridazin-3-one derivatives, their use, and intermediates for their production

摘要

his application relates to pyridazin-3-one derivatives of the formula (1) or (2), their use as herbicides and intermediates for production thereof. In the compounds of formulae (1) and (2) the moiety Q is defined by the formulae as shown, R1 is C1-C3 haloalkyl, Y is halo, nitro, cyano or trifluoromethyl, X is H or halo and the other moieties are as defined in the specification.