| 摘要 |
The invention comprises compounds of formula <FORM:1065533/C2/1> wherein n is 0 or 1, R1 is alkyl, alkoxy or halogen, one of R2 and R3 is alkyl, cycloalkyl, alkenyl, alkynyl, alkaryl, haloaryl, haloalkaryl, aralkyl or a heterocyclic group and the other is one of such groups or is H, or alternatively NR2R3 constitutes a heterocyclic group. These compounds are made by standard methods or by the method claimed in Specification 1,065,532.ALSO:Herbicidal compositions comprise a surface-active agent and a compound of formula <FORM:1065533/A5-A6/1> wherein n is 0 or 1, R1 is alkyl, alkoxy or halogen, one of R2 and R3 is alkyl, cycloalkyl, alkenyl, alkynyl, alkaryl, haloaryl, haloalkaryl, aralkyl or a heterocyclic group and the other is one of such groups or is H, or alternatively NR2R3 constitutes a heterocyclic group. The compositions may take the form of aqueous emulsions or dispersions and the compounds may also be utilised in admixture with a solid or organic liquid carrier or diluent. |
