申请人:Stauffer Chemical Company
公开号:US04110105A1
公开(公告)日:1978-08-29
Monocyclic aromatic N-substituted halo-2-pyrrolidinones having the formula ##STR1## in which X is hydrogen, chlorine or methyl; Y is hydrogen, chlorine or bromine, Z is chlorine or bromine; R.sub.2 is alkyl or hydrogen; R is hydrogen, alkyl, acetyl, chlorine, bromine, fluorine, iodine, trifluoromethyl, nitro, cyano, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, trifluoromethylthio, trifluoromethylsulfinyl, trifluoromethylsulfonyl, pentafluoropropionamido, or 3-methylureido; and R.sub.1 is hydrogen, alkyl, chlorine or trifluoromethyl. The compounds of this invention are prepared by a novel process and are useful as herbicides.
具有以下结构式##STR1##的单环芳基N-取代卤代-2-吡咯酮,其中X为氢、氯或甲基;Y为氢、氯或溴,Z为氯或溴;R.sub.2为烷基或氢;R为氢、烷基、乙酰基、氯、溴、氟、碘、三氟甲基、硝基、氰基、烷氧基、烷基硫基、烷基亚砜基、烷基磺酰基、三氟甲基硫基、三氟甲基亚砜基、三氟甲基磺酰基、五氟丙酰胺基或3-甲基脲基;R.sub.1为氢、烷基、氯或三氟甲基。本发明的化合物通过一种新颖的方法制备,可用作除草剂。