2,3,6-SUBSTITUTED PHENYLIMIDAZOLE DERIVATIVES,PROCESSES FOR THE PREPARATION THEREOF,AND THE USE THEREOF AS GROWTH REGULATORS

摘要

The compounds of the formula I, or salts thereof, (I) in which R1 and R2, independently of one another, denote (C1-C4)-alkyl, R3 denotes halogen, in particular Cl or Br, R4 denotes hydrogen, Cl, Br or methyl, X denotes O, S or N-R5, and R5 denotes hydrogen, (C2-C6)-alkenyl or (C1-C6)-alkyl, where the alkyl group may be up to disubstituted by (C1-C6)-alkoxy or (C1-C3)-dialkylamino, or up to hexasubstituted by halogen, have an excellent plant growth-regulating action in important crops.