HERBICIDES CONTAINING 4H-3,1-BENZOXAZINE DERIVATIVES AND PROCESS FOR PREPARING 4H-3,1-BENZOXYZINE DERIVATIVES

摘要

4H-3,1-Benzoxazine derivatives of the formula IMAGE where R1, R2 and Y have the meanings given in the specification, and their use for controlling unwanted plant growth in numerous crops, such as cereals, Indian corn, soybeans and cotton.