Herbicidal pyrazole sulfonylureas

Details Herbicidal pyrazole sulfonylureas Herbicidal pyrazole sulfonylureas

C - Chemistry, Metallurgy

07

D

260/251, 260/249

C07D 403/12 (2006.01) A01N 47/36 (2006.01) C07D 309/36 (2006.01) C07D 491/04 (2006.01) C07D 491/052 (2006.01) C07D 521/00 (2006.01)

Patent

CA 1221692

BA-8565A Title HERBICIDAL PYRAZOLE SULFONYLUREAS Abstract of the Disclosure Pyrazole sulfonylureas, having pre- and post- emergence herbicidal activity, are disclosed. Such sulfonylureas are of the formula: Image wherein R is H or CH3: Image L-1 L-2 L-3 Image L-4 L-5 L-6 Image L-7 L-8 L-9 Image L-10 L-11 L-12 Image L-13 L-14 L-15 Image L-16 L-17 L-18 Image L-19 L-20 R1 is H, C1-C3 alkyl. CH2CH=CH2. CH2C?CH, CH2CF3, CHF2, phenyl, phenyl substituted with NO2, CH3, OCH3, Cl, Br or F. Image , SO2CH3, SO2N(CH3)2 or CO2CH3: R2 is H or C1-C3 alkyl; R3 is H, C1-C3 alkyl or CHF2; R4 is H, Cl or CH3; R5 is H, Cl or CH3; R6 is H or C1-C3 alkyl; R7 is H or CH3; n is 0 or 1; Q is O, S or NCH3; Q1 is O, S or SO2; A is Image Image A-1 A-2 A-3 Image A-4 A-5 A-6 X is CH3, OCH3, OC2H5, F, Cl, Br, CF3, OCF2H or CFH2; Y is H, C1-C3 alkyl, OCH3, OCH2CH3, CH2OCH3, SeCH3, CH2OCH2CH3, NH2, NHCH3, N(CH3)2, CF3, SCH3, OCH2CH=CH2, OCH2C?CH, OCH2CF3, OCH2CH2OCH3, CH2SCH3, OCF2H, SCF2H, cyclopropyl, CR8(WCH3)2, Image or CR8(WCH2CH3)2: R8 is H or CH3; H is O or S; Z is CH or N; Y1 is CH2 or O; X1 is CH3, OCH3, OCH2CH3 or OCF2H; Y2 is H or CH3; X2 is CH3, CH2CH3 or CH2CF3; Y3 is OCH3, OCH2CH3, SCH3, CH3 or CH2CH3; X3 is CH3 or OCH3; provided that when X is Cl, F or Br, then z is CH; Y is OCH3, OCH2CH3, NH2, NHCH3, N(CH3)2 or CF2H; and when X or Y is OCF2H, then Z is CH, and also provided that when Y is SeCH3, then X is CH3, OCH3, OCH2CH3, OCF2H or CF3.

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