To obtain the subject compound for herbicide and useful for control of undesirable plant species after gemmating.

This substance is a compound of formula I [R is H, a halogen, an 1-4C alkyl, 1-4C haloalkyl or 1-4C haloalkoxy; R1 is a halogen, X1R2 or R2; X and X1 are each O or S; R2 is e.g. H or substituted alkyl; and Q is e.g. formula H (R11 and R12 are each e.g. H or an alkyl; and A and A1 are each e.g. O or S)], e.g. 5-(1-cyclohexene-1,2-dicarboxyimide)-1,2-benzisothiazole-3-methyl acetate. A compound of formula I is obtained by make a conversion of an aminobenzisoxazole or aminobenzisothiazole of formula III into an isocyanate, treating it with an amino acid and furthermore treating it with an ethanolic hydrogen chloride or α-bromocarboxyamide. The herbicide is applied to undersirable foliage, seeds, soil and water in the ratio of 0.016 to 4 kg/ha.