Compounds of the formula I ##STR1## in which R denotes halogen, hydroxyl, cyano, nitro, (substituted) alkyl, (substituted) alkoxy, (halo)alkylthio, carboxyl, alkoxycarbonyl; (halo)alkylsulf(inyl) (onyl) or -(onyloxy); (halo)phenyl or (halo)phenoxy; X in the 3- or 5-position denotes a (thio)carboxylic acid--or an optionally heterocyclic radical which is derived therefrom; Y denotes halogen, m denotes the number 0 or 1, and n denotes a number from 0 to 5, have valuable plant growth-regulating properties and are suitable, in addition, as safeners for protecting crop plants against phytotoxic side effects of herbicides.
化学式为I的化合物中,R代表卤素、羟基、
氰基、硝基、(取代)烷基、(取代)烷氧基、(卤素)烷
硫基、羧基、烷氧羰基;(卤素)烷基磺(亚)基(酰)基或-(酰氧)基;(卤素)苯基或(卤素)苯氧基;X在3-或5-位点表示(
硫)
羧酸或从中派生的可选杂环基团;Y表示卤素,m表示数字0或1,n表示数字0到5,具有有价值的植物生长调节性能,并且还适用于作为安全剂,保护作物免受
除草剂的植物毒性副作用的影响。