Alkyl- and alkenylsulfonylureas which are substituted in the...

C - Chemistry – Metallurgy – 07 – D

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C07D 239/28 (2006.01) A01N 47/36 (2006.01) C07D 251/12 (2006.01) C07D 521/00 (2006.01)

Patent

CA 1341007

Alkyl-and alkenylsulfonylureas which are substituted in the heterocycle, processes for their preparation, and their use as herbicides or plant growth regulators Compounds of they formula I, their stereoisomers or their salts (see formula I) where in A denotes >C(R4)2 or >C=C(R5)2; R1 denotes H, an optionally substituted aliphatic or cycloaliphatic radical, furfuryl, tetrahydrofurfuryl or (substituted) phenyl; R2 denotes H, alkyl, alkenyl, alkynyl or alkoxy; R3 denotes a radical of the formulae (see formula II to IX) X denotes O, S or NR12 and Y denotes O or S, possess excellent herbicidal and plant-growth regulating properties.

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