Insecticides

A compound of formula I

• wherein
• n is 0 or 1;
• R1 is halogen, cyano, C1-C8alkyl, C1-C8haloalkyl, C1-C8alkoxy, C1-C8haloalkoxy, C1-C8alkylthio, C1-C8haloalkylthio, C1-C8alkylsulfinyl, C1-C8haloalkylsulfinyl, C1-C8alkylsulfonyl, C1-C8haloalkylsulfonyl, C1-C8alkylsulfonyloxy, C1-C8haloalkylsulfonyloxy or —OSO2F;
• each of R2 and R3, which may be the same or different, represents hydrogen, halogen, cyano, C1-C8alkyl, C1-C8haloalkyl, C1-C8alkoxy, C1-C8haloalkoxy, C1-C8alkylthio, C1-C8haloalkylthio, C1-C8alkylsulfinyl, C1-C8haloalkylsulfinyl, C1-C8alkylsulfonyl, C1-C8haloalkylsulfonyl, C1-C8alkylsulfonyloxy, C1-C8haloalkylsulfonyloxy, —OSO2F;
• or R2 together with R3 form a C2-C6alkylene or C3-C6alkenylene bridge which may be interrupted by nitrogene, oxygene and/or —C(O)—, or by —S(O)m—;
• and said bridge may be mono- or poly-substituted by C1-C6alkyl, C1-C6haloalkyl, C2-C6alkenyl, C2-C6haloalkenyl, C2-C6alkynyl, C2-C6haloalkynyl, C1-C6alkoxy, C1-C6haloalkoxy, C3-C6alkenyloxy, C3-C6alkynyloxy, mercapto, amino, hydroxy, C1-C6alkylthio, C1-C6haloalkylthio, C3-C6alkenylthio, C3-C6haloalkenylthio, C3-C6alkynylthio, C1-C3alkoxy-C1-C3alkylthio, C1-C4alkylcarbonyl-C1-C3alkylthio, C1-C4alkoxycarbonyl-C1-C3alkylthio, cyano-C1-C3alkylthio, C1-C6alkylsulfinyl, C1-C6haloalkylsulfinyl, C1-C6alkylsulfonyl, C1-C6haloalkylsulfonyl, aminosulfonyl, C1-C2alkylaminosulfonyl, N,N-di(C1-C2alkyl)aminosulfonyl, di(C1-C4alkyl)amino, halogen, cyano, nitro and/or phenyl, it being possible for the phenyl group in turn to be substituted by hydroxy, C1-C6alkylthio, C1-C6haloalkylthio, C3-C6alkenylthio, C3-C6haloalkenylthio, C3-C6alkynylthio, C1-C3alkoxy-C1-C3alkylthio, C1-C4alkylcarbonyl-C1-C3alkylthio, C1-C4alkoxycarbonyl-C1-C3alkylthio, cyano-C1-C3alkylthio, C1-C6alkylsulfinyl, C1-C6haloalkylsulfinyl, C1-C6alkylsulfonyl, C1-C6haloalkylsulfonyl, aminosulfonyl, C1-C2alkylaminosulfonyl, N,N-di(C1-C2alkyl)aminosulfonyl, di(C1-C4alkyl)amino, halogen, cyano or nitro, and the substituents at the nitrogen atom in said bridge being other than halogen, and two oxygen atoms not being located next to one another;
• m is 0, 1 or 2;
• each of S1 and S2, which may be the same or different, represents hydrogen, halogen, cyano, nitro, C1-C8alkyl, C1-C8haloalkyl, C1-C8alkoxy, C1-C8haloalkoxy, C1-C8alkenyl, C2-C8haloalkenyl, C1-C8alkynyl, C2-C8haloalkynyl, C3-C6cycloalkyl, C3-C6halocycloalkyl, C1-C8alkylthio, C1-C8haloalkylthio, C1-C8alkylsulfinyl, C1-C8haloalkylsulfinyl, C1-C8alkylsulfonyl, C1-C8haloalkylsulfonyl, C1-C6alkylamino or di-(C1-C6alkyl)amino, whose C1-C6alkyl groups may be the same or different;
• S3 is cyano, C1-C6alkyl, halo-C1-C6alkyl, C1-C6alkoxy, halo-C1-C6alkoxy, halo-C1-C6alkoxyhalo-C1-C6alkoxy, C1-C8alkylthio, C1-C8haloalkylthio, C1-C8alkylsulfinyl, C1-C8haloalkylsulfinyl, C1-C8alkylsulfonyl or C1-C8haloalkylsulfonyl;
• or
• S3 is a three- to ten-membered monocyclic or fused bicyclic ring system which can be aromatic, partially saturated or fully saturated and can contain 1 to 4 hetero atoms selected from the group consisting of nitrogen, oxygen and sulfur, the ring system being bonded to the phenyl ring directly or via a —O—, —S—, C1-C4alkylene, —CH═CH—, —C≡C—, —CH2O—, —CH2N(C1-C4alkyl)-, —CH2SO—, or —CH2SO2 group and it not being possible for each ring system to contain more than 2 oxygen atoms and not more than 2 sulfur atoms, and it being possible for the ring system itself to be mono-, di- or trisubstituted by C1-C6alkyl, C1-C6haloalkyl, C3-C6alkenyl, C3-C6haloalkenyl, C3-C6alkynyl, C3-C6haloalkynyl, C1-C6alkoxy, C1-C6haloalkoxy, C3-C6alkenyloxy, C3-C6alkynyloxy, mercapto, C1-C6alkylthio, C1-C6haloalkylthio, C3-C6alkenylthio, C3-C6haloalkenylthio, C3-C6alkynylthio, C2-C5alkoxyalkylthio, C3-C5acetylalkylthio, C3-C6alkoxycarbonylalkylthio, C2-C4cyanoalkylthio, C1-C6alkylsulfinyl, C1-C6haloalkylsulfinyl, C1-C6alkylsulfonyl, C1-C6haloalkylsulfonyl, aminosulfonyl, C1-C2alkylaminosulfonyl, di-(C1-C2alkyl)aminosulfonyl, di-(C1-C4alkyl)amino, halogen, cyano, nitro, phenyl and benzylthio, it being possible for phenyl and benzylthio, in turn, to be substituted on the phenyl ring by C1-C3alkyl, C1-C3haloalkyl, C1-C3alkoxy, C1-C3haloalkoxy, halogen, cyano or nitro, and substituents on the nitrogen in the heterocyclic ring being other than halogen;
• each of R4 and R5, which may be the same or different, represents hydrogen, C1-C6alkyl, C3-C6alkenyl or C3-C6alkynyl;
• Y1 is a C1-C6alkylene, C2-C6alkenylene or C3-C6alkynylene chain which may be mono-, di- or trisubstituted by R9, where the unsaturated bonds of the chain are not attached directly to the sulfur atom;
• or is C3-C6cycloalkylene, which may be mono-, di- or trisubstituted by R10;
• R9 and R10 independently of one another are halogen, nitro, cyano, hydroxy, C1-C6alkyl, C1-C6haloalkyl, C1-C6alkylthio, C1-C6alkylsulfinyl, C1-C6alkylsulfonyl, C1-C6haloalkylthio, C1-C6haloalkylsulfinyl, C1-C6haloalkylsulfonyl, C1-C6alkoxycarbonyl, C1-C6alkylcarbonyl, C1-C6alkoxy-C1-C6alkyl, C1-C6alkoxy-C1-C6alkyl, C1-C6alkoxy, C1-C6halo-alkoxy, benzyl or phenyl, where phenyl and benzyl for their part may be mono- or polysubstituted by C1-C6alkyl, C1-C6haloalkyl, C1-C6alkoxy, C1-C6haloalkoxy, halogen, cyano, hydroxyl or nitro;
• Y2 is a C1-C6alkylene, C2-C6alkenylene or C3-C6alkynylene chain which may be mono-, di- or trisubstituted by R11, where the unsaturated bonds of the chain are not attached directly to the sulfur atom;
• or is C3-C6cycloalkylene, which may be mono-, di- or trisubstituted by R12;
• R11 and R12 independently of one another are halogen, nitro, cyano, hydroxy, C1-C6alkyl, C1-C6haloalkyl, C1-C6alkylthio, C1-C6alkylsulfinyl, C1-C6alkylsulfonyl, C1-C6haloalkylthio, C1-C6haloalkylsulfinyl, C1-C6haloalkylsulfonyl, C1-C6alkoxycarbonyl, C1-C6alkylcarbonyl, C1-C6alkoxy-C1-C6alkyl, C1-C6alkoxy-C1-C6alkyl, C1-C6alkoxy, C1-C6halo-alkoxy, benzyl or phenyl, where phenyl and benzyl for their part may be mono-, di- or trisubstituted by C1-C6alkyl, C1-C6haloalkyl, C1-C6alkoxy, C1-C6haloalkoxy, halogen, cyano, hydroxyl or nitro;
• Y3 is hydrogen or C1-C6alkyl;
• Z is hydrogen, C1-C6alkyl, C1-C6haloalkyl, C1-C6cycloalkyl, C1-C6halocycloalkyl, C1-C6alkylthio, C1-C6haloalkylthio or C1-C6alkoxy-C1-C6alkyl;
• or C1-C6alkyl, C1-C6haloalkyl, C1-C6cycloalkyl, C1-C6halocycloalkyl, C1-C6alkylthio, C1-C6haloalkylthio or C1-C6alkoxy-C1-C6alkyl substituted by C1-C6alkyl, C1-C6haloalkyl, C1-C6cycloalkyl, C1-C6halocycloalkyl, C1-C6alkoxy, or C1-C6haloalkoxy;
• or Z is —C(O)R6, —C(O)O—R7, —CONR13R14, —SO2R15 or —OP(OR16)(OR17)—OR18;
• R6 is C1-C6alkyl, C1-C6haloalkyl, C1-C6cycloalkyl, C1-C6halocycloalkyl, C1-C6alkylthio, C1-C6haloalkylthio, C1-C6alkoxycarbonyl, C1-C6alkylcarbonyl or C1-C6alkoxy-C1-C6alkyl;
• or
• C1-C6alkyl, C1-C6haloalkyl, C1-C6cycloalkyl, C1-C6halocycloalkyl, C1-C6alkylthio, C1-C6haloalkylthio, C1-C6alkoxycarbonyl, C1-C6alkylcarbonyl or C1-C6alkoxy-C1-C6alkyl substituted by C1-C6alkyl, C1-C6haloalkyl, C1-C6cycloalkyl, C1-C6halocycloalkyl, C1-C6alkoxy, or C1-C6haloalkoxy;
• R7, R13, R14, R15, R16, R17 and R18 independently of one another are C1-C6alkyl, C1-C6haloalkyl, C1-C6cycloalkyl or C1-C6halocycloalkyl;
• or C1-C6alkyl, C1-C6haloalkyl, C1-C6cycloalkyl or C1-C6halocycloalkyl substituted by C1-C6alkyl, C1-C6haloalkyl, C1-C6cycloalkyl, C1-C6halocycloalkyl, C1-C6alkoxy or C1-C6haloalkoxy;
• and
• agronomically acceptable salts/isomers/enantiomers/tautomers of those compounds.