HETESOCYCLICALLY SUBSTITUTED HALOGENO ALKYL- AND HALOGENO ALKOXY-SULFONYLUREAS

摘要

Compounds of the formula wherein R1 denotes an aliphatic radical which is optionally substituted by halogen and/or interrupted by oxygen, R2 and R3 denote H or alkyl, X denotes oxygen or sulfur, m denotes 0 or 1, and R4 denotes an optionally substituted six-membered heterocyclic ring having 2-3 N atoms, are effective herbicides and growth regulators.