C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/251, 260/300
C07D 413/12 (2006.01) A01N 47/36 (2006.01) C07D 277/64 (2006.01) C07D 417/12 (2006.01) C07D 521/00 (2006.01)
Patent
CA 1222747
Title BA-8591A HERBICIDAL SULFONAMIDES Abstract of the Disclosure This invention relates to certain herbicidally active sulfonamide compounds, suitable agricultural composition thereof and a method for their use as general and/or selective preemergence or postemergence herbicides or plant growth regulants. More specifically the compounds are of the formula: Image I wherein Q-1 Q-2 Image Q-3 Q-4 W1 is O or S; R7 is H or CH3: R is H, C1-C4 alkyl optionally substituted with 0-3 halogen atoms selected from 1-3 F, 1-2 Cl or 1 Br, C1-C4 alkylthio, C1-C4 alkoxy, CH2OCH3, CH2CH2OCH3 or CH2SCH3; R1 is H, halogen, C1-C3 alkyl, C1-C3 haloalkyl, nitro, C1-C3 alkoxy, di(C1-C2)alkylamino- sulfamoyl, C1-C3 alkylthio, C1-C3 haloalkoxy, C1-C3 haloalkylthio, cyano, C1-C3 alkylsul- finyl, C1-C3 alkylsulfonyl, C2-C3 alkoxycar- bonyl, CH2OCH3, CH2SCH3 or CH2CN; R2 is H or CH3: W is O, 6 or NR3; R3 is H or CH3; A is Image A-1 A-2 A-3 A-4 Image A-5 A-6 A-7 X is H, C1-C3 alkyl, C1-C3 alkoxy, C1-C3 halo- alkoxy, C1-C3 haloalkyl, C1-C3 haloalkylthio, C1-C3 alkylthio, halogen, C2-C3 alkoxyalkyl, C2-C3 alkoxyalkoxy, amino, C1-C3 alkylamino or di (C1-C3) alkylamino; Y is H, C1-C3 alkyl, C1-C3 alkoxy, C1-C3 halo- alkoxy, C1-C3 haloalkylthio, C1-C3 alkylthio, halogen, C2-C3 alkoxyalkyl, C2-C3 alkoxyalkoxy. amino, C1-C3 alkylamino, di(C1-C3)alkylamino, C3 alkenyloxy, C3 alkynyloxy, C2-C3 alkynyl, C2-C3 alkylthioalkyl, C2-C3 alkylsulfinyl- alkyl, C2-C3 alkylsulfonylalkyi, C1-C3 halo- alkyl, cyclopropyl, C(O)R4, Image , Image or N(OCH3)CH3; m is 2 or 3; L1 and L2 are independently O or S; R4 is H or CH3; R5 and R6 are independently C1-C2 alkyl; Z is CH or N; Y1 is O or CH2; X1 is CH3, OCH3, OC2H5 or OCF2H; Y2 is H or CH3; X2 is CH3, OCH3 or SCH3; Y3 is CH3, C2H5 or CH2CF3; X3 is CH3 or OCH3; X4 is CH3, OCH3, OC2H5, CH2OCH3 or Cl; and Y4 is CH3, OCH3, OC2H5 or Cl; and their agriculturally suitable salts; provided that a) when W1 is S, then R7 is H, A is A-1 and Y is CH, OCH3, OC2H5, CH2OCH3, C2H5, CF3, SCH3, OCH2CH=CH2, OCH2C?CH, OCH2CH2OCH3, CH(OCH3)2 or Image ; b) when X or Y is OCF2H, then Z is CH; c) when X is F, Cl, Br or I, then Z is CH and Y is OCH3, OC2H5, OCF2H, NH2, NHCH3, N(OCH3)CH3 or N(CH3)2; d) when R1 is di(C1-C2)alkylaminoriulfamoyl or C2-C3 alkoxycarbonyl, then Q is Q-1 and R1 is in the 5-position; or Q is Q-2 and R1 is in the 6-position; and e) when the total number of carbon atoms of X and Y is greater than four, then the number of carbon atoms of R is less than or equal to two and the number of carbon atoms of R1 is less than or equal to two.
486344
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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