| 摘要 |
A compound having the formula the formula <IMAGE> where R is C1-C12 alkyl, C5-C6 cycloalkyl, C2-C13 alkoxyalkyl, C7-C9 aralkyl, phenyl, naphthyl, phenyl substituted with F, Cl, Br, I, C1-C4 alkyl, C1-C4 alkoxy, methylenedioxy, NR3R4 wherein R3 and R4 are the same or different and are hydrogen or C1-C6 alkyl, C2-C5 alkoxycarbonyl, phenoxy, NO2, cyano, trihalomethyl or trihalomethoxy where halo is F, Cl or Br or benzyl substituted with F, Cl, Br, I, C1-C4 alkyl, C1-C4 alkoxy, methylenedioxy, C2-C5 alkoxycarbonyl, carboxy, phenoxy, NO2, cyano, trihalomethyl or trihalomethoxy where halo is F, Cl or Br; R1 and R2 are the same or different and are C1-C6 alkyl, C3-C6 alkenyl, C5-C6 cycloalkyl or R1 and R2 together are C 4-C8 alkylene or C4-C8 oxydialkylene is disclosed. Furthermore, a process for forming this compound by reacting a compound having the formula <IMAGE> wherein M is hydrogen or an alkali metal such as Li, Na or K and R has the meanings given above with a carbamoyl halide having the formula XCONR1R2, wherein X is chlorine or bromine and R1 and R2 have the meanings above is taught. In addition, a method of controlling weeds, both preemergence and postemergence, using a herbicidally effective amount of the compound of this invention is set forth. Finally, a composition is disclosed, comprising the compound of this invention and a carrier therefor. |
