5-(2-CHLORO-4-TRIFLUOROMETHYLPHENOXY)-2-NITRO-A- SUBSTITUTED-ACETOPHENONE, OXIME DERIVATIVE THEREOF, PROCESS FOR PREPARING THEREOF, HERBICIDAL COMPOSITION, AND METHOD FOR THE DESTRUCTION OF UNDESIRABLE WEEDS

摘要

ABSTRACT OF THE DISCLOSURE5-(2-chloro-4-trifluoromethylphenoxy)-2-nitro-.alpha.-substituted-acetophenones and oxime derivatives thereofrepresented by the formula (I)wherein R1 and Y are as defined in the disclosure, processfor the preparation thereof, herbicidal composition andmethod for the destruction of undesirable weeds. Theherbicides comprising the above compounds are capable ofselectively controlling undesirable weeds among desirablecrop plants.