Pesticidal and parasiticidal vinyl isoxazoline compounds

1. A pesticidal isoxazoline compound of formula (I):

wherein:

the asterisk (*) signifies a chiral quaternary center;

the squiggly bond ( ) signifies that the double bond may be in the cis- or trans-configuration with respect to P 1 and P 2 ;

B 1 , B 2 and B 3 are each independently C—R or N;

each R is independently H, halogen, cyano, —NO 2 , alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, —SF 5 , —C(═S)—NH 2 , alkylamino, dialkylamino or alkoxycarbonyl;

R 1 is C 1 -C 3 alkyl or C 1 -C 3 haloalkyl;

P 1 and P 2 are independently hydrogen, halogen, cyano, nitro, alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, cycloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl or haloalkylsulfonyl;

Y is Y-2, Y-4, Y-5 or Y-6:

wherein Z, Z 1 , Z 2 , Z 3 , Z 4 , Z 5 and Z 6 are independently C—H or N, and wherein R 10 and R 11 are independently H, C 1 -C 3 alkyl or C 1 -C 3 haloalkyl;

Q is X—NR 2 R 3 , OH, NH 2 , alkoxy, haloalkoxy, alkylamino, haloalkylamino, dialkylamino, dihaloalkylamino, thiol, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, —SF 5 , —C(═S)—NH 2 , or an optionally substituted 5- or 6-membered carbocyclyl, heterocyclyl, heteroaryl ring, wherein the optional substituents of said carbocyclyl, heterocyclyl or heteroaryl ring are selected from halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, alkylamino, dialkylamino, alkylcarbonyl, haloalkylcarbonyl, alkoxycarbonyl, haloalkoxycarbonyl, —SF 5 , —CN, —NO 2 and —C(═S)—NH 2 ; or the groups T1 or T2:

or

Y is Y-3 wherein Q is (—CH 2 —)(—CH 2 —)N—R 3

W is O or S;

X is (CH 2 ) n , CH(CH 3 ), CH(CN), C(═O) or C(═S);

R 2 is H, alkyl, alkenyl, alkynyl, cycloalkyl, alkylcycloalkyl, cycloalkylalkyl, alkylcarbonyl or alkoxycarbonyl;

R 3 is H, OR 7 , NR 8 R 9 or Q 1 ; or alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, cycloalkyl, alkylcycloalkyl, cycloalkylalkyl, alkylcarbonyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl or dialkylaminocarbonyl, each optionally substituted with one or more substituents independently selected from R 4 ; or

when Q is X—NR 2 R 3 , R 2 and R 3 taken together with the nitrogen to which they are attached to form a ring containing 2 to 6 atoms of carbon and optionally one additional atom selected from the group consisting of N, S and O, said ring optionally substituted with 1 to 4 substituents independently selected from the group consisting of alkyl, halogen, —CN, —NO 2 and alkoxy;

each R 4 is independently halogen; alkyl, cycloalkyl, alkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, alkylamino, haloalkylamino, dialkylamino, dihaloalkylamino, cycloalkylamino, alkylcarbonyl, alkoxycarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, haloalkylcarbonyl, haloalkoxycarbonyl, haloalkylaminocarbonyl, dihaloalkylaminocarbonyl, hydroxy, —SF 5 , —C(═S)NH 2 , —NH 2 , —CN or —NO 2 ; or Q 2 ;

each R 5 is independently halogen, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, alkylamino, dialkylamino, alkoxycarbonyl, —SF 5 , —C(═S)NH 2 , —CN or —NO 2 ;

each R 6 is independently halogen, alkyl, haloalkyl, cycloalkyl, halocycloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, alkylamino, dialkylamino, —SF 5 , —C(═S)NH 2 , —CN, —NO 2 , phenyl or pyridinyl;

R 7 is H; or alkyl, alkenyl, alkynyl, cycloalkyl, alkylcycloalkyl or cycloalkylalkyl, each optionally substituted with one or more halogens;

R 8 is H, alkyl, alkenyl, alkynyl, cycloalkyl, alkylcycloalkyl, cycloalkylalkyl, alkylcarbonyl or alkoxycarbonyl;

R 9 is H; Q 3 ; or alkyl, alkenyl, alkynyl, cycloalkyl, alkylcycloalkyl or cycloalkylalkyl, each optionally substituted with one or more substituents independently selected from R 4 ; or

R 8 and R 9 taken together with the nitrogen to which they are attached form a ring containing 2 to 6 atoms of carbon and optionally one additional atom selected from the group consisting of N, S and O, said ring optionally substituted with 1 to 4 substituents independently selected from the group consisting of alkyl, halogen, —CN, —NO 2 and alkoxy;

Q 1 is a phenyl ring, a 5- or 6-membered heterocyclic ring, or an 8-, 9- or 10-membered fused bicyclic ring system optionally containing one to three heteroatoms selected from up to 1 O, up to 1 S and up to 3 N, each ring or ring system optionally substituted with one or more substituents independently selected from R 5 ;

Q 2 is independently a phenyl ring or a 5- or 6-membered heterocyclic ring, each ring optionally substituted with one or more substituents independently selected from R 6 ;

Q 3 is a phenyl ring or a 5- or 6-membered heterocyclic ring, each ring optionally substituted with one or more substituents independently selected from R 6 ; and

n is 0, 1 or 2.

2. The pesticidal isoxazoline compound of claim 1 , wherein B 1 , B 2 and B 3 are each independently C—R; and R is H, halogen, C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy, C 1 -C 3 haloalkoxy, C 1 -C 3 alkylthio, C 1 -C 3 haloalkylthio or SF 5 .

3. The pesticidal isoxazoline compound of claim 1 , wherein one or two of B 1 , B 2 and B 3 are each N and the others of B 1 , B 2 and B 3 are C—R; and R is H, halogen, C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy, C 1 -C 3 haloalkoxy, C 1 -C 3 alkylthio, C 1 -C 3 haloalkylthio or SF 5 .

4. The pesticidal isoxazoline compound of any of claim 1 , 2 or 3 , wherein R 1 is CF 3 .

5. The pesticidal isoxazoline compound of claim 1 , wherein Y is Y-2:

wherein Z 1 , Z 2 , Z 3 , Z 4 , Z 5 and Z 6 are CH or N, provided at at most 3 of Z 1 , Z 2 , Z 3 , Z 4 , Z 5 and Z 6 are N.

6. The pesticidal isoxazoline compound of claim 1 , wherein Y is Y-4:

wherein Z is N or CH.

7. The pesticidal isoxazoline compound of claim 1 , wherein Y is Y-5:

8. The pesticidal isoxazoline compound of claim 1 , wherein Y is Y-3:

and

Q is group (—CH 2 —)(—CH 2 —)N—R 3 .

9. The pesticidal isoxazoline compound of claim 1 , wherein y is Y-6:

wherein R 10 and R 11 are independently H, C 1 -C 3 alkyl or C 1 -C 3 haloalkyl.

10. The pesticidal isoxazoline compound of claim 1 , wherein:

Q is X—NR 2 R 3 ;

R 2 is H or C 1 -C 3 alkyl; and

R 3 is C 1 -C 3 alkyl optionally substituted by halogen, alkylthio, haloalkylthio, alkylaminocarbonyl, dialkylaminocarbonyl, haloalkylaminocarbonyl or dihaloalkylaminocarbonyl.

11. The pesticidal isoxazoline compound of claim 1 , wherein:

Q is T1;

R 2 is H or C 1 -C 3 alkyl; and

R 3 is Q 1 ; or alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, cycloalkyl, alkylcycloalkyl, cycloalkylalkyl, alkylcarbonyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl or dialkylaminocarbonyl, each optionally substituted with one or more substituents independently selected from R 4 .

12. The pesticidal isoxazoline compound of claim 1 , wherein:

Q is T2;

R 2 is H or C 1 -C 3 alkyl; and

R 3 is Q 1 ; or alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, cycloalkyl, alkylcycloalkyl, cycloalkylalkyl, alkylcarbonyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl or dialkylaminocarbonyl, each optionally substituted with one or more substituents independently selected from R 4 .

13. The pesticidal isoxazoline compound of claim 1 , wherein:

Y is Y-2 or Y-4;

B 1 , B 2 and B 3 are independently C—H, C—Cl, C—F or C—CF 3 ;

R 1 is CF 3 ;

P 1 and P 2 are each independently hydrogen, halogen, cyano, C 1 -C 8 alkyl, C 1 -C 8 haloalkyl or C 3 -C 8 cycloalkyl;

Q is X—NR 2 R 3 ;

X is C(═O) or C(═S);

R 2 is H or C 1 -C 3 alkyl; and

R 3 is C 1 -C 3 haloalkylcarbonyl or C 1 -C 3 alkyl optionally substituted by halogen, alkylthio, haloalkylthio, alkylaminocarbonyl, dialkylaminocarbonyl, haloalkylaminocarbonyl or dihaloalkylaminocarbonyl.

14. The pesticidal isoxazoline compound of claim 12 , wherein:

X is C(═O);

R 2 is H;

R 3 is —C(═O)CF 3 , —C(═O)CH 2 CF 3 , —C(═O)CH 2 CH 2 CF 3 ,-CH 2 C(═O)NHCH 2 CF 3 or —CH 2 CH 2 SCH 3 .

15. The pesticidal isoxazoline compound of claim 13 or 14 , wherein Y is Y-2.

16. The pesticidal isoxazoline compound of claim 13 or 14 , wherein Y is Y-4.

17. The pesticidal isoxazoline compound of claim 1 wherein the isoxazoline compound is substantially enriched in the (S)-enantiomer.

18. A pesticidal composition comprising an effective amount of the isoxazoline compound of formula (I) in claim 1 , or an agriculturally acceptable salt thereof, in combination with a agriculturally acceptable carrier.

19. A parasiticidal composition comprising an effective amount of the isoxazoline compound of formula (I) in claim 1 , or a pharmaceutically acceptable salt thereof, in combination with a pharmaceutically acceptable carrier.

20. A method for controlling pests on crops, plants, plant propagation material or material derived from wood, which comprises treating the crops, plants, plant propagation material, or the soil in which the infected plant grows, or the wood-derived material with a pesticidally effective amount of a compound of formula (I) in claim 1 .

21. A method for the treatment or prevention of a parasitic infestation or infection in or on an animal, comprising treating the animal with a parasiticidally effective amount of a compound of formula (I) in claim 1 .

22. A method for controlling pests at a locus, comprising administering a pesticidally effective amount of a compound of formula (I) of claim 1 , or an agriculturally acceptable salt thereof, to the locus.