Abstract: The use of a compound of formula I wherein X is (i), (ii) or (iii) Y is O, S(O)m, NR3, CR5R6, CR5R6—CR7R8, O—CR7R8, S(O)m—CR7R8, NR3—CR7R8, CR5R6—O, CR5R6—S(O)m, CR5R6—NR3, SO2—NR3, NR3—SO2, NR3—O or O—NR3; m is 0, 1, or 2; the ring (T) is a 5- or 6-membered aromatic or heteroaromatic ring; R1 to R10 are specified organic groups and n and is 0, 1, 2, 3 or 4; or salts or N-oxides thereof or compositions containing them in controlling insects, acarines, nematodes or molluscs. Novel compounds are also provided.

Abstract: The use of a compound of formula (I) wherein X is (i), (ii) or (iii), formula (i), formula (ii), formula (iii) Y is O, S(O)m, NR3, CR5R6, CR5R6—CR7R8, O—CR7R8, S(O)m—CR7R8, NR3—CR7R8, CR5R6—O, CR5R6—S(O)m, CR5R6—NR3, SO2—NR3, NR3—SO2, NR3—O or O—NR3; m is 0, 1, or 2; the ring (T) formula (T) is a 5- or 6-membered aromatic or heteroaromatic ring; R1 to R10 are specified organic groups and n and is 0, 1, 2, 3 or 4; or salts or N-oxides thereof or compositions containing them in controlling insects, acarines, nematodes or molluscs. Novel compounds are also provided.

Abstract: Compounds of formula (I), wherein the substituents are as defined in claim 1, and the agrochemically acceptable salts and all stereoisomers and tautomeric forms of the compounds of formula I are suitable for use as herbicides.

Abstract: Compounds of the formula I in which the substituents are as defined in claim 1 are suitable for use as herbicides.

Abstract: The present invention relates to a process for the preparation of compounds of formula I wherein the substituents are as defined in claim 1, by conversion of a compound of formula II reaction of that compound with a compound of formula IV X—C(O)—Q,??(IV) wherein X is a leaving group, to form a compound of formula V and treatment of that compound in the presence of a base with catalytic amounts of cyanide ions.

Abstract: The present invention relates to a process for the preparation of bicyclic 1,3-diketone salts of formula I wherein R1, R2, R3 and R4 are each independently of the others hydrogen or C1-C4alkyl; A and E are each independently of the other C1-C2alkylene, which may be substituted once or up to four times by a C1-C4alkyl group, and M+is an alkali metal ion, alkaline earth metal ion or ammonium ion, by oxidation of a compound of formula II to a compound of formula III and subsequent conversion to a compound of formula I either in the presence of a base and a catalytic amount of a cyanide or in the presence of an alkali metal alcoholate or alkaline earth metal alcoholate, and to novel bicyclic enol lactone intermediates of formula III for use in that process.

Abstract: The present invention relates to a process for the preparation of compounds of formula I: wherein the substituents are as defined in claim 1, by conversion of a compound of formula II: reaction of that compound with a compound of formula IV: X—C(O)—Q??(IV), wherein X is a leaving group, to form a compound of formula V: and treatment of that compound in the presence of a base with catalytic amounts of cyanide ions.

Abstract: Compounds of the formula (I) in which the substituents are as defined in claim 1 are suitable for use as herbicides

Abstract: Compounds of formula (I), in which the substituents are as defined in claim 1 and the agrochemically tolerated salts M+ and all stereoisomers and tautomers of the compounds of formula (I) are suitable for use as herbicides.

Abstract: Compounds of formula (I), in which the substituents are as defined in claim 1 and the agrochemically tolerated salts M+ and all stereoisomers and tautomers of the compounds of formula (I) are suitable for use as herbicides.

Abstract: Compounds of formula (I) in which the substituents are as defined in claim 1 are suitable for use as herbicides.

Abstract: Compounds of formula (I) in which Qi is an unsaturated five-membered optionally substituted or condensed heterocyclic ring and X is O, S, SO or SO2, and agronomically tolerated salts/N-oxides/isomers/enantiomers of these compounds are suitable as herbicides