Indan-1,3-dione derivative and herbicidal composition containing the same as active ingredient
申请人:MITSUBISHI KASEI CORPORATION
公开号:EP0398258A1
公开(公告)日:1990-11-22
The present invention provides an indan-1,3-dione derivative represented by the following formula (I):
wherein R¹ represents a hydrogen atom or a lower alkyl group; R² represents a group represented by
wherein E represents a (substituted) phenyl group or a (substituted) pyridyl group; Y represents a hydroxyl group; and Z represents a halogen atom, a (substituted) alkylsulfonyloxy group or a (substituted) phenylsulfonyloxy group, or Y and Z are bonded to represent -O-; and A represents a (substituted) 1,3-butadienylene group or a (substituted) 1,3-azabutadienylene group,
and a herbicidal composition containing the same as an active ingredient.
The present invention further provides an indan-1,3-dione derivative represented by the following formula (II):
wherein R¹ and A represent the same meanings as above and R³ represents a group represented by
wherein E represents the same meanings as above; and W¹ and W² each represents hydroxyl group or form a carbon-carbon bond by combining with each other, which is available as a synthetic intermediate for the compound of the formula (I).
The compound of the formula (I) shows high herbicidal activity against gramineous weeds, cyperaceous weeds, etc. but shows markedly low phytotoxicity against crops.
本发明提供了由下式(I)代表的茚-1,3-二酮衍生物:
其中 R¹代表氢原子或低级烷基; R²代表由以下式子表示的基团
其中E代表(取代的)苯基或(取代的)吡啶基;Y代表羟基;和Z代表卤素原子、(取代的)烷基磺酰氧基或(取代的)苯基磺酰氧基,或Y和Z键合代表-O-;和A代表(取代的)1,3-丁二烯基或(取代的)1,3-氮杂丁二烯基、
以及含有相同活性成分的除草组合物。
本发明进一步提供了由下式(II)代表的茚满-1,3-二酮衍生物:
其中 R¹ 和 A 代表与上述相同的含义,R³ 代表由下列式子表示的基团
其中 E 代表与上述相同的含义;W¹和 W² 各自代表羟基或通过相互结合形成碳-碳键,可作为式 (I) 化合物的合成中间体。
式(I)化合物对禾本科杂草、莎草科杂草等具有较高的除草活性,但对农作物的植物毒性明显较低。