| 摘要 |
Compounds of formula (I), wherein the substituents are as defined in claim 1 are prepared by: preparing a compound of formula (IV); converting that compound in the presence of an enaminating agent into the compound of formula (III); reacting that compound in the presence of a base and an inert solvent with a compound of formula (IIIa), wherein L1 and L2 are each independently of the other halogen, C1-C4 alkoxy, imidazol-1-yl or 1,2,4-triazol-1-yl, to form the compound of formula (II), and converting that compound in an inert solvent in the presence of a base with a compound of formula (IIa) R1-L3, wherein L3 is halogen or OSO2OR1, into the compound of formula (I). The compounds of formula (I) are suitable as herbicides. |
