Patent ID: 7705044

Claim:
A compound of formula I: wherein each of Ar 1 and Ar 2 , independently of one another, signify phenyl that is either unsubstituted or substituted one or more times, whereby the substituents may be independent of one another and are selected from the group consisting of halogen, C 1 -C 6 -alkyl, halo-C 1 -C 6 -alkyl, C 1 -C 8 -alkoxy, halo-C 1 -C 6 -alkoxy, C 3 -C 6 -cycloalkyl, C 1 -C 6 -alkylthio, halo-C 1 -C 6 -alkylthio, C 1 -C 6 -alkylcarbonyl, halo-C 1 -C 6 -alkylcarbonyl, C 1 -C 6 -alkoxycarbonyl, C 1 -C 6 -alkylaminocarbonyl, and di-C 1 -C 6 -alkylaminocarbonyl; Q 1 signifies C(O); R 3 signifies hydrogen or C 1 -C 2 -alkyl; each of R 4 , R 5 , R 6 , R 7 , and R 8 , independently of one another, signify hydrogen, halogen, C 1 -C 6 -alkyl, halo-C 1 -C 6 -alkyl, or C 3 -C 6 -cycloalkyl; W signifies O or N(R 9 ); R 9 signifies hydrogen or C 1 -C 2 -alkyl; a signifies 1, 2, 3, or 4; b signifies 0, 1, 2, 3, or 4; and n signifies 0.