C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/259, 260/249
C07D 239/28 (2006.01) A01N 47/36 (2006.01) C07D 239/42 (2006.01) C07D 239/46 (2006.01) C07D 239/48 (2006.01) C07D 239/52 (2006.01) C07D 251/12 (2006.01) C07D 251/52 (2006.01) C07D 403/12 (2006.01) C07D 521/00 (2006.01)
Patent
CA 1240675
Herbicidal sulfonylureas Abstract of the Disclosure Novel substituted N-sulfonyl-N'-pyrimidinylureas or N-sulfonyl-N'- triazinylureas of the formula I Image (I) have good pre- and postemergence selective herbicidal and growth regulating properties. In this formula E is nitrogen or -CH=, the group Image is a phenyl, naphthyl, furyl, thiophenyl, pyrrole or pyridinyl radical which is substituted in accordance with the definitions of R1 and R2, R3 and R4 are hydrogen, lower alkyl or lower alkoxy, or one of R3 and R4 may also be halogen, lower alkenyl, lower haloalkenyl, lower haloalkoxy, amino, lower alkylamino, -CH(OCH3)2, a cyclised ketal group or a saturated 5- to 7-membered heterocycle which is bound through the nitrogen atom, R5 is hydrogen, lower alkyl, lower haloalkyl, or an unsubstituted or substituted phenyl, benzyl or naphthyl radical, and R6 is an alkyl, acyl or acylamido radical which is bound through sulfur or a sulfinyl or sulfonyl group and is as defined in the description, or is a 5-to 7-membered heterocyclic amino radical which is bound through the nitrogen atom. These compounds are particularly suitable for selectively controll- ing weeds in crops of cereals.
474057
Meyer Willy
Schneider Hans-Dieter
Topfl Werner
Fetherstonhaugh & Co.
Syngenta Participations Ag
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