N-phenylsulfonyl-n'-pyrimidinyl-and-triazinylureas

Abstract From the Canadian patent

1), N-Phenylsulfonyl-N'-pyrimidinyl- and -triazinylureas Abstract of the Disclosure, N-Phenylsulfonyl-N'-pyrimidinyl- and -triazinylureas of the general formula, and the salts thereof with amines alkali metal or alkaline, earth metal bases or with quarternary ammonium bases have, good pre- and postemergence selective herbicidal and growth regulating properties. In the above formula . , A is a C1-C6alkyl radical which is substituted by halogen C1-C4alkoxy, C1-C4alkylthio, C1-C4alkylsulfinyl C1-C4-, alkylsulfonyl, C1-C4haloalkoxy C1-C4haloalkylthio, C1-C4haloalkylsulfinyl or C1-C4haloalkylsulfonyl or a C2-C6-, alkenyl radical which is unsubstituted or substituted by the above substituents, E …