会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 9. 发明授权
    • 옥사졸리논계 유도체 및 그의 제조방법과 용도
    • 氧杂环丁烷衍生物及其制备方法和用途
    • KR100125130B1
    • 1997-12-05
    • KR1019940020300
    • 1994-08-17
    • 한국과학기술연구원
    • 박상우신계정김동찬
    • C07D413/02A01N43/26C07D263/22
    • C07D413/04A01N43/76C07D263/42
    • The oxazolinon type derivative represented by the following general formula(I) and its preparing method is disclosed with uses as herbicides wherein, R is low alkyl or halogen, low alkyl or trifluoromethyl containing phenyl, X is the same or different, halogen, carbomethoxy, nitro, or halogen, trifluoro substituted phenoxy, A is nitrogen, carbon, n is an integer of 1-3. The oxazolinon type derivative is prepared by a condensation reaction of M-amino acid of the general formula(II) and an acid chloride of the general formula(III) to produce an amino substituted M-amino acid of the general formula(IV), and then dehydration reaction after subjecting to reacting with anhydride nitric acid. The herbicide according to this invention has excellent herbicidal effectiveness in treatment of pre- or postemergency against a dicotyledonous plant.
    • 公开了以下通式(I)表示的恶唑啉型衍生物及其制备方法,其用作除草剂,其中R为低级烷基或卤素,低级烷基或含三氟甲基的苯基,X为相同或不同的卤素,甲酯基, 硝基或卤素,三氟取代的苯氧基,A是氮,碳,n是1-3的整数。 恶唑啉型衍生物通过通式(II)的M-氨基酸与通式(III)的酰氯的缩合反应制备,得到通式(IV)的氨基取代的M-氨基酸, 然后与酸酐硝酸反应后进行脱水反应。 根据本发明的除草剂在对双子叶植物的芽前或芽后处理方面具有优异的除草效果。