Pyrazoline insecticides

Details Pyrazoline insecticides Pyrazoline insecticides

C - Chemistry, Metallurgy

07

D

167/10.2, 260/31

C07D 231/06 (2006.01) A01N 47/38 (2006.01) C07C 45/63 (2006.01) C07C 45/65 (2006.01) C07C 45/68 (2006.01) C07C 45/71 (2006.01) C07C 45/74 (2006.01) C07C 49/84 (2006.01) C07D 405/12 (2006.01)

Patent

CA 1212118

- 1 - ABSTRACT 1) Insecticidal compounds of formula I Image I where R1 is hydrogen, alkyl or alkenyl; X is oxygen or sulphur; each R2, which may be the same or different, if halogen, alkyl, haloalkyl, cyano, nitro, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulphonyloxy, alkylsulphonyl, alkoxycarbonyl or acyl or two adjacent R2 groups together with the carbons to which they are attached form a 1,3-dioxolane ring. m is 0 to 4; either a) Ra is hydrogen and one of Rb and Rc is phenyl, - 1 - - 2 - para substituted by the group R4, and the other is hydrogen; or b) Ra and Rb are both alkyl and Rc is phenyl para substituted by the group R4; R4 and R5 which may be the same or different, are R8SO2O, hydrogen, halogen, alkyl, haloalkoxy, alkylthio or alkylsulphonyl, wherein R8 is alkyl or haloalkyl; with the proviso that at least one of R4 and R5 is R8SO2O or at least R4 is haloalkoxy. - 2 -

444318

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