Substituted 2-(2,4(1h,3h)-pyrimidindion-3-yl) benzthiazoles

Details Substituted 2-(2,4(1h,3h)-pyrimidindion-3-yl) benzthiazoles Substituted 2-(2,4(1h,3h)-pyrimidindion-3-yl) benzthiazoles

C - Chemistry, Metallurgy

07

D

C07D 417/04 (2006.01) A01N 43/74 (2006.01) A01N 43/78 (2006.01) C07D 277/82 (2006.01)

Patent

CA 2279644

Disclosed are substituted 2(2,4(1H,3H)-pyrimidindion-3-yl) benzthiazoles of formula (I) and the salts thereof, where R1 = C1-C4-alkyl, C1-C4-halogenalkyl, R2 = H, halogen; R3 = halogen; R4 = C1-C6-alkyl; R5 = C1-C6-alkyl; C1-C6 alkenyl, C3-C6-halogenalkenyl, C3-C6-alkynil, C3-C8-cycloalkyl, C3-C4-alkyl, phenyl-C1-C4-alkyl, or R4 + R5 = tetramethylen chain; R6 = H, NH2, C1-C4- alkyl. Applications: as herbicides and as haulm killers/defoliating agents for plants.

La présente invention porte sur des benzthiazoles de la formule (I), substitués 2-(2,4(1H,3H)-pyrimidindion-3-yl, et sur leurs sels, où R?1¿ = C¿1?-C¿4?-alkyle, C¿1?-C¿4?-halogénalkyle; R?2¿ = H, halogène; R?3¿ = halogène; R?4¿ = C¿1?-C¿6?-alkyle; R?5¿ = C¿1?-C¿6?-alkyle, C¿1?-C¿6?-alkényle, C¿3?-C¿6?-halogénalkényle, C¿3?-C¿6?-alkinyle, C¿3?-C¿8?-Cycloalkyle, C¿3?-C¿4?-alkyle, phényle, phényle-C¿1?-C¿4?-alkyle, ou R?4¿ + R?5¿ ensemble = chaîne tétraméthylène; R?6¿ = H, NH¿2?, C¿1?-C¿4?-alkyle. Applications: comme herbicides et pour la dessication/défoliation de végétaux.

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