【摘要】 在碱性条件下，以Ｎ—取代三氯乙酰胺与２种胺反应，合成了８种取代脲类除草剂。更多还原

【Abstract】 A series of substituted ureas with herbicidal activities were svnthesized by reac- tion of N-substituted trichloroacetamides with amines in the catalysis of inorganic base.更多还原