Phenyl-substituted ketoenols for controlling fish parasites

1. A method of controlling parasitic Copepodae comprising administering to a fish a compound of the formula (I)

in which

W is hydrogen, alkyl, halogen, haloalkyl, alkoxy or haloalkoxy,

X is alkyl, alkenyl, alkynyl, halogen, alkoxy, haloalkyl, haloalkoxy or cyano,

Y is hydrogen, alkyl, alkoxy or halogen,

Z is hydrogen, halogen, alkyl, alkoxy, haloalkyl, haloalkoxy or optionally singly or multiply substituted phenyl,

CKE is one of the groups

in which

U is —S—, —S(O)—, —S(O) 2 —, —O—,

 or an S═N—, S(O)═N— or

or is optionally Q 3 and Q 4 -substituted C 1 -C 4 -alkylene which may optionally be interrupted by oxygen,

A is hydrogen, or is in each case optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, alkylthioalkyl, saturated or unsaturated, optionally substituted cycloalkyl, in which optionally at least one ring atom has been replaced by a heteroatom, or is in each case optionally halogen-, alkyl-, haloalkyl-, alkoxy-, haloalkoxy-, cyano- or nitro-substituted aryl, arylalkyl or hetaryl,

B is hydrogen, alkyl or alkoxyalkyl, or

A and B together with the carbon atom to which they are attached are a saturated or unsaturated, unsubstituted or substituted ring system optionally containing at least one heteroatom,

D is hydrogen or an optionally substituted radical from the series alkyl, alkenyl, alkynyl, alkoxyalkyl, saturated or unsaturated cycloalkyl, in which optionally one or more ring members have been replaced by heteroatoms, or is in each case optionally substituted arylalkyl, aryl, hetarylalkyl or hetaryl, or

A and D together with the atoms to which they are attached are a saturated or unsaturated ring system which optionally contains at least one (when CKE=8 and 11 one further) heteroatom and which is unsubstituted or substituted in the A,D moiety, or

A and Q 1 together are in each case optionally substituted alkanediyl or alkenediyl which may optionally be interrupted by at least one heteroatom,

an

 or substituted

or,

B and Q 2 together with the atoms to which they are attached are a saturated or unsaturated ring system which optionally contains at least one heteroatom and which is unsubstituted or substituted in the B, Q 2 moiety, or

D and Q 1 together with the atoms to which they are attached are a saturated or unsaturated ring system which optionally contains at least one heteroatom and which is unsubstituted or substituted in the D, Q 1 moiety,

Q 1 is hydrogen, alkyl, alkoxyalkyl, optionally substituted cycloalkyl, in which optionally a methylene group has been replaced by oxygen or sulphur, or is optionally substituted phenyl,

Q 2 , Q 4 , Q 5 and Q 6 independently of one another are hydrogen or alkyl,

Q 3 is hydrogen, or is in each case optionally substituted alkyl, alkoxy, alkylthio, alkoxyalkyl, alkylthioalkyl, optionally substituted cycloalkyl, in which optionally one or two methylene groups have been replaced by oxygen or sulphur, or is optionally substituted phenyl, or

Q 1 and Q 2 together with the carbon atom to which they are attached are an unsubstituted or substituted ring system optionally comprising a heteroatom, or

Q 3 and Q 4 together with the carbon atom to which they are attached are a saturated or unsaturated, unsubstituted or substituted ring system optionally comprising at least one heteroatom, or

A and Q 3 together with the carbon atom to which they are attached are a saturated or unsaturated, unsubstituted or substituted ring system optionally comprising at least one heteroatom, or

A and Q 5 together with the carbon atom to which they are attached are a saturated or unsaturated, unsubstituted or substituted ring system optionally comprising at least one heteroatom,

G is hydrogen (a) or is one of the groups

in which

E is a metal ion equivalent or an ammonium ion,

L is oxygen or sulphur,

M is oxygen or sulphur,

R 1 is in each case optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, alkylthioalkyl, polyalkoxyalkyl, or is optionally halogen-, alkyl- or alkoxy-substituted cycloalkyl, which may be interrupted by at least one heteroatom, or is in each case optionally substituted phenyl, phenylalkyl, hetaryl, phenoxyalkyl or hetaryloxyalkyl,

R 2 is in each case optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, polyalkoxyalkyl, or is in each case optionally substituted cycloalkyl, phenyl or benzyl,

R 3 , R 4 and R 5 independently of one another are in each case optionally halogen-substituted alkyl, alkoxy, alkylamino, dialkylamino, alkylthio, alkenylthio, cycloalkylthio or are in each case optionally substituted phenyl, benzyl, phenoxy or phenylthio,

R 6 and R 7 independently of one another are hydrogen, or are in each case optionally halogen-substituted alkyl, cycloalkyl, alkenyl, alkoxy, alkoxyalkyl, or are optionally substituted phenyl, or are optionally substituted benzyl, or together with the N atom to which they are bonded are a ring system optionally interrupted by oxygen or sulphur.

2. The method according to claim 1 , wherein the parasitic Copepodae are from the genus Caligidae.

3. The method according to claim 1 , wherein the parasitic Copepodae are from the genus Lepeophtheirus.

4. The method according to claim 3 , wherein the parasitic Copepodae is Lepeoptheirus salmonis.

5. The method according to claim 1 , wherein the fish is a salmonid fish ( Salmonidae ).

6. The method according to claim 1 , wherein the fish is a carp.

7. The method according to claim 1 , wherein the fish is a seabass ( Dicentrarchus labrax ).

8. The method according to claim 1 , wherein the fish is an amberjack ( Seriola spp.).

9. The method according to claim 4 , wherein the fish is a salmonid fish ( Salmonidae ).

10. The method according to claim 4 , wherein the fish is a carp.

11. The method according to claim 4 , wherein the fish is a seabass ( Dicentrarchus labrax ).

12. The method according to claim 4 , wherein the fish is an amberjack ( Seriola spp.).