申请人:Sagami Chemical Research Center
公开号:US05506190A1
公开(公告)日:1996-04-09
The present invention relates to 3,4,5,6-tetrahydrophthalamide derivatives and 3,4,5,6-tetrahydroisophthalimide derivatives having excellent effects as effective active ingredients of herbicides, and processes for preparing the same, and provides the compounds having a more efficient herbicidal activity, and efficient and industrial processes for the preparation thereof. More specifically, the tetrahydrophthalimide derivative obtained by reacting a halogen-substituted 5-cycloalkyloxyaniline derivative with a 3,4,5,6-tetrahydrophthalic anhydride, or the tetrahydroisophthalimide derivative of the present invention is reacted with various types of amines to prepare a tetrahydrophthalamide derivative represented by the general formula (I): ##STR1## These tetrahydrophthalamide derivatives and the tetrahydroisophthalimide derivatives exhibit excellent herbicidal activities in the soil treatment in the paddy field and field and the stem-foliar treatment. The tetrahydroisophthalimide derivatives are also useful as intermediates for the preparation of the tetrahydrophthalamide derivatives, etc.
本发明涉及3,4,5,6-四氢酞酰胺衍生物和3,4,5,6-四氢异酞酰胺衍生物,作为除草剂有效活性成分具有优异的效果,以及制备它们的过程,并提供了具有更有效的除草活性和高效工业制备过程的化合物。更具体地说,通过将卤代5-环烷氧基苯胺衍生物与3,4,5,6-四氢酞酸酐反应,或将本发明的四氢异酞酰胺衍生物与各种类型的胺反应,制备出由通式(I)表示的四氢酞酰胺衍生物:##STR1## 这些四氢酞酰胺衍生物和四氢异酞酰胺衍生物在水稻田和田间土壤处理以及茎叶处理中表现出优异的除草活性。四氢异酞酰胺衍生物还可用作制备四氢酞酰胺衍生物的中间体等。