Insecticidal compounds based on arylthioacetamide derivatives

1. A compound of formula I

wherein

A 1 is C—R 5b ;

A 2 , A 3 and A 4 are independently of one another C—H, C—R 5a or nitrogen;

G 1 is oxygen or sulfur;

Y 1 —Y 2 —Y 3 is —C═N—O—, —C═N—CH 2 —, —C═CH—O— or —N—CH 2 —CH 2 —;

n is 0, 1 or 2;

R 1 is hydrogen, C 1 -C 8 alkyl, C 1 -C 8 alkyl substituted by one to five R 6 , C 1 -C 8 alkoxy, C 1 -C 8 alkylcarbonyl or C 1 -C 8 alkoxycarbonyl;

R 2 is C 1 -C 8 alkyl or C 1 -C 8 alkyl substituted by one to five R 6 , C 2 -C 8 alkenyl or C 2 -C 8 alkenyl substituted by one to five R 6 , C 2 -C 8 alkynyl or C 2 -C 8 alkynyl substituted by one to five R 6 , C 3 -C 10 cycloalkyl or C 3 -C 10 cycloalkyl substituted by one to five R 7 , C 3 -C 10 cycloalkyl-C 1 -C 4 alkylene or C 3 -C 10 cycloalkyl-C 1 -C 4 alkylene substituted by one to five R 7 , aryl-C 1 -C 4 alkylene or aryl-C 1 -C 4 alkylene wherein the aryl moiety is substituted by one to five R 8 , heterocyclyl-C 1 -C 4 alkylene or heterocyclyl-C 1 -C 4 alkylene wherein the heterocyclyl moiety is substituted by one to five R 8 , aryl or aryl substituted by one to five R 8 , heterocyclyl or heterocyclyl substituted by one to five R 8 , C 1 -C 8 alkylaminocarbonyl-C 1 -C 4 alkylene, C 1 -C 8 haloalkylaminocarbonyl-C 1 -C 4 alkylene, C 3 -C 8 cycloalkyl-aminocarbonyl-C 1 -C 4 alkylene, C 1 -C 6 alkyl-O—N═CH— or C 1 -C 6 haloalkyl-O—N═CH—, C 1 -C 6 alkyl-O—N═CH—C 1 -C 4 alkylene or C 1 -C 6 haloalkyl-O—N═CH— C 1 -C 4 alkylene, cyano or C 1 -C 8 alkylsulfonyl;

R 3 is C 1 -C 8 haloalkyl;

R 4 is aryl or aryl substituted by one to five R 9 , or heteroaryl or heteroaryl substituted by one to five R 9 ;

each R 5a is independently halogen, cyano, nitro, C 1 -C 8 alkyl, C 1 -C 8 haloalkyl, C 2 -C 8 alkenyl, C 1 -C 8 haloalkenyl, C 2 -C 8 alkynyl, C 2 -C 8 haloalkynyl, C 3 -C 10 cycloalkyl, C 1 -C 8 alkoxy, C 1 -C 8 haloalkoxy, C 1 -C 8 alkylthio, C 1 -C 8 haloalkylthio, C 1 -C 8 alkylsulfinyl-, C 1 -C 8 haloalkylsulfinyl-, C 1 -C 8 alkylsulfonyl- or C 1 -C 8 haloalkylsulfonyl-;

R 5b is halogen, C 1 -C 8 alkyl, C 1 -C 8 haloalkyl, C 2 -C 8 alkenyl, C 2 -C 8 haloalkenyl, C 2 -C 8 alkynyl, C 2 -C 8 haloalkynyl, C 3 -C 10 cycloalkyl or C 3 -C 10 cycloalkyl substituted by one to five R 7 ,

or R 5a and R 5b , together form a —CH═CH—CH═CH— bridge or a —N═CH—CH═CH— bridge;

each R 6 is independently halogen, cyano, nitro, hydroxy, C 3 -C 10 cycloalkyl, C 1 -C 8 alkoxy, C 1 -C 8 haloalkoxy, C 1 -C 8 alkylcarbonyl, C 1 -C 8 alkoxycarbonyl, mercapto, C 1 -C 8 alkylthio, C 1 -C 8 haloalkylthio, C 1 -C 8 alkylsulfinyl, C 1 -C 8 haloalkylsulfinyl, C 1 -C 8 alkylsulfonyl or C 1 -C 8 haloalkylsulfonyl;

each R 7 is independently halogen, cyano, C 1 -C 8 alkyl or C 1 -C 8 haloalkyl;

each R 8 and R 9 is independently halogen, cyano, nitro, C 1 -C 8 alkyl, C 1 -C 8 haloalkyl, C 3 — C 2 -C 8 alkenyl, C 2 -C 8 haloalkenyl, C 2 -C 8 alkynyl, C 2 -C 8 haloalkynyl, hydroxy, C 1 -C 8 alkoxy, C 1 -C 8 haloalkoxy, mercapto, C 1 -C 8 alkylthio, C 1 -C 8 haloalkylthio, C 1 -C 8 alkylsulfinyl, C 1 -C 8 haloalkylsulfinyl, C 1 -C 8 alkylsulfonyl, C 1 -C 8 haloalkylsulfonyl, C 1 -C 8 alkylcarbonyl, C 1 -C 8 alkoxycarbonyl, aryl or aryl substituted by one to five R 10 or heterocyclyl or heterocyclyl substituted by one to five R 10 ;

each R 10 is independently halogen, cyano, nitro, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 1 -C 4 alkoxy or C 1 -C 4 haloalkoxy;

or a salt or N-oxide thereof.

2. A compound according to claim 1 , wherein Y 1 —Y 2 —Y 3 is —C═N—O—.

3. A compound according to claim 1 , wherein Y 1 —Y 2 —Y 3 is —C═N—CH 2 —.

4. A compound according to claim 1 , wherein Y 1 —Y 2 —Y 3 is —C═CH—O—.

5. A compound according to claim 1 , wherein Y 1 —Y 2 —Y 3 is —N—CH 2 —CH 2 —.

6. A compound according to claim 1 , wherein R 5b is bromo, chloro, or methyl.

7. A compound according to claim 1 , wherein R 2 is C 1 -C 4 alkyl or C 1 -C 4 alkyl substituted by one to five R 6 , C 2 -C 4 alkenyl or C 2 -C 4 alkenyl substituted by one to five R 6 , C 2 -C 4 alkynyl or C 2 -C 4 alkynyl substituted by one to five R 6 , C 3 -C 6 cycloalkyl or C 3 -C 6 cycloalkyl substituted by one to five R 7 , C 3 -C 6 cycloalkyl-methylene or C 3 -C 6 cycloalkyl-methylene substituted by one to five R 7 , phenyl-C 1 -C 2 alkylene or phenyl-C 1 -C 2 alkylene wherein the phenyl moiety is substituted by one to five R 8 , pyridyl-C 1 -C 2 alkylene or pyridyl-C 1 -C 2 alkylene wherein the pyridyl moiety is substituted by one to four R 8 , thietanyl or thietanyl substituted by one to five R 8 , oxo-thietanyl or oxo-thietanyl substituted by one to five R 8 , dioxo-thietanyl or dioxo-thietanyl substituted by one to five R 8 .

8. A compound according to claim 1 , wherein R 2 is C 1 -C 4 alkyl or C 1 -C 4 alkyl substituted by one to five halogen, C 3 -C 6 cycloalkyl or C 3 -C 6 cycloalkyl substituted by one to five groups independently selected from halogen, methyl and halomethyl, C 3 -C 6 cyclo-alkyl-methylene or C 3 -C 6 cycloalkyl-methylene substituted by one to five groups independently selected from halogen, methyl and halomethyl, C 2 -C 4 alkenyl or C 2 -C 4 alkenyl substituted by one to five R 6 , C 2 -C 4 alkynyl or C 2 -C 4 alkynyl substituted by one to five R 6 .

9. A compound according to claim 1 , wherein R 3 is chlorodifluoromethyl or trifluoromethyl.

10. A compound according to claim 1 , wherein R 4 is group A1

wherein X is C—R 12 or nitrogen and each R 12 is independently hydrogen, halogen or trihalomethyl, wherein at least two R 12 are not hydrogen.

11. A compound according to claim 1 , wherein A 1 is C—R 5b ; A 2 , A 3 and A 4 are C—H; G 1 is oxygen; Y 1 —Y 2 —Y 3 is —C═N—O—, —C═N—CH 2 —, —C═CH—O— or —N—CH 2 —CH 2 —; R 1 is hydrogen; R 2 is C 1 -C 4 alkyl or C 1 -C 4 alkyl substituted by one to five halogen, C 3 -C 6 cycloalkyl or C 3 -C 6 cycloalkyl substituted by one to five groups independently selected from halogen, methyl and halomethyl, C 3 -C 6 cycloalkyl-methylene or C 3 -C 6 cycloalkyl-methylene substituted by one to five groups independently selected from halogen, methyl and halomethyl C 2 -C 4 alkenyl or C 2 -C 4 alkenyl substituted by one to five halogen, C 2 -C 4 alkynyl or C 2 -C 4 alkynyl substituted by one to five halogen; R 3 is chlorodifluoromethyl or trifluoromethyl; R 4 is group A1

wherein X is C—R 12 or nitrogen and each R 12 is independently hydrogen, halogen or trihalomethyl, wherein at least two R 12 are not hydrogen; R 5b is chloro, bromo or methyl.

12. A compound according to claim 11 , wherein A 1 is C—R 5b ; A 2 , A 3 and A 4 are C—H; G 1 is oxygen; Y 1 —Y 2 —Y 3 is —C═N—O—, —C═N—CH 2 —, —C═CH—O— or —N—CH 2 —CH 2 —; R 1 is hydrogen; R 2 is ethyl, propyl, butyl, fluoroethyl, fluoropropyl, fluorobutyl, difluoroethyl, difluoropropyl, difluorobutyl, trifluoroethyl, trifluoropropyl, trifluorobutyl, cyclopropyl, cyclobutyl, cyclopropylmethylene, cyclobutylmethylene, allyl or propargyl; R 3 is chlorodifluoromethyl or trifluoromethyl; R 4 is group A1, wherein X is C—R 12 and each R 12 is independently hydrogen, halogen or trihalomethyl, wherein at least two R 12 are not hydrogen; R 5b is chloro, bromo or methyl.

13. A mixture comprising a compound of formula I* and a compound of formula II*

wherein Y 1 —Y 2 —Y 3 is —C═N—O—, —C═N—CH 2 —, —C═CH—O— or —N—CH 2 —CH 2 — and A 1 , A 2 , A 3 , A 4 , R 1 , R 2 , R 3 , R 4 , G 1 and n are as defined in claim 1 , and wherein the molar proportion of the compound of formula I** compared to the total amount of both the compound of formula I* and II* is greater than 50%.

14. A compound according to claim 13 , wherein A 1 is C—R 5b ; A 2 , A 3 and A 4 are C—H; G 1 is oxygen; Y 1 —Y 2 —Y 3 is —C═N—O—, —C═N—CH 2 —, —C═CH—O— or —N—CH 2 —CH 2 —; R 1 is hydrogen; R 2 is ethyl, propyl, butyl, fluoroethyl, fluoropropyl, fluorobutyl, difluoroethyl, difluoropropyl, difluorobutyl, trifluoroethyl, trifluoropropyl, trifluorobutyl, cyclopropyl, cyclobutyl, cyclopropylmethylene, cyclobutylmethylene, allyl or propargyl; R 3 is chlorodifluoromethyl or trifluoromethyl; R 4 is group A1,

wherein X is C—R 12 and each R 12 is independently hydrogen, halogen or trihalomethyl, wherein at least two R 12 are not hydrogen; R 5b is chloro, bromo or methyl, and wherein the molar proportion of the compound of formula I** compared to the total amount of both the compound of formula I* and I** is greater than 70%.

15. An insecticidal, acaricidal, nematicidal or molluscicidal composition comprising an insecticidally, acaricidally, nematicidally or molluscicidally effective amount of a compound of formula (I) as defined in claim 1 and optionally at least one additional compound having biological activity.

16. A combination product comprising a pesticidally effective amount of a component A and a pesticidally effective amount of component B, wherein component A is a compound of formula (I) as defined in claim 1 , and component B is at least one compound selected from the group consisting of imidacloprid, enrofloxacin, praziquantel, pyrantel embonate, febantel, penethamate, moloxicam, cefalexin, kanamycin, pimobendan, clenbuterol, fipronil, ivermectin, omeprazole, tiamulin, benazepril, milbemycin, cyromazine, thiamethoxam, pyriprole, deltamethrin, cefquinome, florfenicol, buserelin, cefovecin, tulathromycin, ceftiour, selamectin, carprofen, metaflumizone, moxidectin, methoprene (including S-methoprene), clorsulon, pyrantel, amitraz, triclabendazole, avermectin, abamectin, emamectin, eprinomectin, doramectin, selamectin, nemadectin, albendazole, cambendazole, fenbendazole, flubendazole, mebendazole, oxfendazole, oxibendazole, parbendazole, tetramisole, levamisole, pyrantel pamoate, oxantel, morantel, triclabendazole, epsiprantel, fipronil, lufenuron, ecdysone and tebufenozide.