Herbicidal sulfonamides

Details Herbicidal sulfonamides Herbicidal sulfonamides

C - Chemistry, Metallurgy

07

D

260/251, 260/300

C07D 403/12 (2006.01) A01N 47/36 (2006.01) C07D 231/12 (2006.01) C07D 233/54 (2006.01) C07D 239/52 (2006.01) C07D 261/04 (2006.01) C07D 261/08 (2006.01) C07D 409/12 (2006.01) C07D 521/00 (2006.01)

Patent

CA 1239929

Title HERBICIDAL SULFONAMIDES Abstract of the Disclosure This invention relates to ortho-(isoxazolyl, isothiazolyl, pyrazolyl, thiadiazolyl, oxadiazolyl, and triazolyl)bensenesulfonamides, useful as herbicides, of the following formulae; Image where Q is Image Image W" is O or S; W is O, S or NR; W' is O or S; R is H or C1-C4 alkyl; R1 is H7 F, Cl, 8r, CH3, CF3 or OCH3; R2 is H, CH3, C2H5, Cl or Br; R3 is H, CH3, C2H5, Cl, Br, OCH3, OC2H5 or SCH3; R4 is H or C1-C4 alkyl; R5 is H, CH3, C2H5, Cl, Br, OCH3, OC2H5 or SCH3; R6 is H, CH3 or C2H5; R7 is H or C1-C4, alkyl; R12' is H or CH3; R12 is H or CH3; R13 is H or CH3; R14 is H, CH3, C2H5, Cl, OCH3, OC2H5 or SCH3; R15 is C1-C3 alkyl; A is Image X is CH3, OCH3 or Cl; Y is CH3, C2H5, CH2OCH3, OCH3, OC2H5, CH(OCH3)2, NH2, NHCH3, N(CH3)2, OCH2CH2OCH3, OCH2CF3, SCH3, CF3 or Image Z is CH or N; X1 is CH3, OCH3 or Cl, G is O or CH2; X2 is C1-C3 alkyl or CH2CF3; Y2 is CH3O, C2H5O, CH3S or C2H55; and their agriculturally suitable salts; provided that (a) when R2 is Cl or Br, then W is O or S; (b) when X is Cl, then Z is CH and Y is OCH3, OC2H5, NH2, NHCH3 or N(CH3)2; (c) when W" is S, then R13 is H, A is Image , and Y is CH3, OCH3, C2H5, OC2H5, CH2OCH3, CH(OCH3)2 or Image (d) when Q is Image then one of R2 or R3 must be H, CH3 or C2H5; (e) when Q is Image then one of R2 or R5 must be H, CH3 or C2H5; (f) the total number of carbon atoms of Q must be less than or equal to 8.

419031

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