申请人:Sankyo Company Limited
公开号:US04279908A1
公开(公告)日:1981-07-21
6-(3- And/or 5-halophenyl)pyridazines having an N-substituted carbamoyloxy, carbamoylthio, thiocarbamoyloxy or thiocarbamoylthio group at the 3- position on they pyridazine system and 6-(3- and/or 5-halophenyl)-3-pyridazone derivatives having a substituted or unsubstituted hydrocarbyloxycarbonyl substituent at the 2-position of the pyridazine ring have good fungicidal activity, making them useful as agricultural fungicides suitable for application to seeds, plants and agricultural land, and can be prepared by reacting the corresponding 6-substituted pyridazone or pyridazinethione with the corresponding carbamoyl halide or halocarbonate.
6-(3-和/或5-卤苯基)吡啶嗪在其吡啶嗪系统的3-位置具有N-取代的氨甲酰氧基、氨甲酰硫基、硫代氨甲酰氧基或硫代氨甲酰硫基,以及在吡啶嗪环的2-位置具有取代或未取代的烃氧羰基取代基的6-(3-和/或5-卤苯基)-3-吡啶酮衍生物具有良好的杀真菌活性,使其可用作适用于种子、植物和农田的农业杀菌剂,并可通过将相应的6-取代吡啶酮或吡啶硫酮与相应的氨甲酰卤或卤代碳酸酯反应制备。