Patent ID: 8093241

Claim:
An acid amide derivative of the formula (I) or a salt thereof: wherein A is a fused heterocyclic group which may be substituted by X, B is phenyl which may be substituted by Y, X is halogen, alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, alkoxy, haloalkoxy, alkoxyalkoxy, haloalkoxyalkoxy, alkoxyhaloalkoxy, haloalkoxyhaloalkoxy, alkenyloxy, haloalkenyloxy, alkynyloxy, haloalkynyloxy, alkylthio, haloalkylthio, alkenylthio, haloalkenylthio, alkynylthio, haloalkynylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, dialkylaminosulfonyl, nitro, cyano, phenyl which may be substituted by Y, phenoxy which may be substituted by Y, benzyloxy which may be substituted by Y, pyridyloxy which may be substituted by Y, —OR 4 , —SR 5 , —NR 6 , R 7 , —CO 2 R 8 , —C(═O)NR 9 , R 10 or an unsaturated heterocyclic group (the unsaturated heterocyclic ring may be substituted by halogen, alkyl, haloalkyl, alkoxy or haloalkoxy), Y is halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, dialkylaminosulfonyl, nitro, cyano, —OR 4 , —CO 2 R 11 , —CONR 12 R 13 or an unsaturated heterocyclic group (the unsaturated heterocyclic ring may be substituted by halogen, alkyl, haloalkyl, alkoxy or haloalkoxy), each of R 1 and R 2 is alkyl, cyano or —CO 2 R 14 , or R 1 and R 2 may together form a 3- to 6-membered saturated carbocyclic ring, R 3 is hydrogen, alkyl, alkoxyalkyl, alkylthioalkyl, —COR 15 , —S(O)mR 16 or —S(O)nNR 17 R 18 , each of R 4 and R 6 is hydrogen, —C(═W)R 19 , —C(═W)OR 20 —C(═W)SR 21 , —C(═W)NR 22 R 23 , —S(O)qR 24 or —S(O)rNR 25 R 26 , R 5 is hydrogen, —C(═W)R 19 , —C(═W)OR 20 , —C(═W)SR 21 or —C(═W)NR 22 R 23 , R 7 is hydrogen, alkyl or haloalkyl, each of R 8 , R 9 , R 10 , R 11 , R 12 , R 13 and R 14 is hydrogen or alkyl, R 15 is hydrogen, alkyl or alkoxy, each of R 16 , R 17 , R 18 , R 19 , R 20 , R 21 , R 22 , R 23 , R 24 , R 25 and R 26 is alkyl, haloalkyl or phenyl (the phenyl which may be substituted by halogen, alkyl, haloalkyl, alkoxy or haloalkoxy), each of m, n, q and r is from 0 to 2, W is oxygen or sulfur.