Method for making hydrazide or hydrazine compounds
    2.
    发明授权
    Method for making hydrazide or hydrazine compounds 失效
    制备酰肼或肼化合物的方法

    公开(公告)号:US5300688A

    公开(公告)日:1994-04-05

    申请号:US976764

    申请日:1992-11-16

    IPC分类号: C07C241/02 C07C241/04

    摘要: This invention relates to the preparation of hydrazide or hydrazine compounds. More particularly, this invention relates to an efficient method for the preparation of substituted hydrazides, hydrazines, and intermediates therefor, from urea starting products. Such hydrazide and hydrazine compounds are useful as insecticides.

    摘要翻译: 本发明涉及酰肼或肼化合物的制备。 更具体地说,本发明涉及从尿素起始产物制备取代的酰肼,肼及其中间体的有效方法。 这种酰肼和肼化合物可用作杀虫剂。

    Aminophenyl ketone derivatives and a method for the preparation thereof
    3.
    发明授权
    Aminophenyl ketone derivatives and a method for the preparation thereof 失效
    氨基苯基酮衍生物及其制备方法

    公开(公告)号:US06127576A

    公开(公告)日:2000-10-03

    申请号:US964719

    申请日:1997-11-05

    IPC分类号: C07D307/33 C07C311/08

    CPC分类号: C07D307/33

    摘要: The present invention provides o-aminophenyl ketone derivatives which are intermediates useful in the manufacture of herbicidal sulfamoyl urea compounds, including the crop selective herbicide 1-{[o-(cyclopropylcarbonyl)phenyl]-sulfamoyl}-3-(4,6-dimethoxy-2-pyrimidinyl)urea. Also provided is a method for the preparation of said intermediates.

    摘要翻译: 本发明提供了邻氨基苯基酮衍生物,其是可用于制备除草氨磺酰脲化合物的中间体,其包括作物选择性除草剂1 - {[邻 - (环丙基羰基)苯基] - 氨磺酰基} -3-(4,6-二甲氧基 -2-嘧啶基)脲。 还提供了制备所述中间体的方法。