Disubstituted methylidene hydrazinophenyl sulfonylureas, process for their production and their use as herbicides and plant growth regulators
申请人:Hoechst Schering AgrEvo GmbH
公开号:US06331506B1
公开(公告)日:2001-12-18
Disubstituted methylidenehydrazinophenylsulfonylureas, processes for their preparation and their use as herbicides and plant growth regulators Compounds of the formula (I) and salts thereof
in which
R1 to R6, W, X, Y, Z are as defined in claim 1 and the group R2R3C is a carbon atom which is subsituted by at least one electron-withdrawing radical R2 or R3 are suitable as herbicides and plant growth regulators. They can be prepared in accordance with known processes via intermediates, some of which are novel.
二取代甲基亚硝基苯磺酰脲类化合物的制备方法及其作为除草剂和植物生长调节剂的用途。公式(I)中的化合物及其盐,其中R1至R6,W,X,Y,Z如权利要求1所定义,且R2R3C基团是至少一个带有电子吸引基团的碳原子,可用作除草剂和植物生长调节剂。它们可以通过已知的中间体制备方法制备,其中有些是新颖的。