Sulfonylureas

Details Sulfonylureas Sulfonylureas

C - Chemistry, Metallurgy

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D

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C07D 405/00 (2006.01) A01N 47/36 (2006.01) C07D 307/46 (2006.01) C07D 307/54 (2006.01) C07D 333/18 (2006.01) C07D 409/12 (2006.01) C07D 521/00 (2006.01)

Patent

CA 1217488

Novel sulfonylureas Abstract of the Diaclosure N-(2-Heterocyclylphenylsulfonyl)-N'-pyrimidinylureas and N-(2-heterocyclylphenylsulfonyl)-N'-triazinylureas of the general formula I Image and the salts thereof with amines, alkali metal basea or alkaline earth metal bases or with quaternary ammonium bases have good pre- and postemargence selective herbicidal and growth regulating properties. In this formula A is a substituted furyl, thienyl or pyrrole radical, E ia nitrogen or the methine group -CH=, Z is oxygen or sulfur, R1 is customary phenyl substituent, R2 is hydrogen, lower alkyl or lower alkoxy, R3 and R4 are each independently hydrogen, lower alkyl, lower alkoxy, lower alkylthio, cycloalkyl, halogan, haloalkyl, haloalkoxy, haloalkylthio, alkoxyslkyl, dialkoxyalkyl, amino, diethylamino.

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