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    • 3. 发明公开
    • 2-Nitro-5-(substituted phenoxy) benzohydroximate derivatives and their use as herbicide
    • 2-硝基-5-(取代的苯氧基)苯甲酰氧基衍生物及其作为除草剂的用途
    • EP0273432A3
    • 1989-03-01
    • EP87119275.3
    • 1987-12-28
    • MITSUBISHI PETROCHEMICAL CO., LTD.
    • Goh, AtsushiEndo, KeijiYamamoto, Yuri
    • C07C131/105C07C153/017A01N37/52
    • A01N37/52
    • A compound of the formula
      wherein R¹ represents a lower alkyl group, R² represents a hydrogen atom or a lower alkyl group, and Z represents a group of the formula -OR³ or -SR⁴ in which R³ represents a lower alkenyl or alkynyl group which may be substituted by halogen, cyano or lower alkoxycarbonyl, and R⁴ represents a lower alkyl group. The above compound is produced by (a) reacting an ester-forming derivative of a compound of the formula
          wherein R¹ and R² are as defined above, and
          Q represents an oxygen or sulfur atom,
      with a compound of formula
          Z-H      (III)
          wherein Z is as defined above, or (b) reacting the compound of formula (II) with a compound of the formula
            R³X¹ or R⁴X¹      (IV)
          wherein R³ and R⁴ are as defined above, and
          X¹ represents a halogen atom, or (c) reacting a compound of the formula
          wherein R² and Z are as defined above,
      with a compound of the formula
          R¹-X²      (VI)
          wherein R¹ is as defined above, and
          X² represents an acid residue,
      or diazomethane. This compound is useful as a herbicide.
    • 的化合物,其中R 1表示低级烷基,R 2表示氢原子或低级烷基,Z表示式-OR 3或-SR 3的基团, 4>其中R 3表示可以被卤素,氰基或低级烷氧基羰基取代的低级烯基或炔基,R 4表示低级烷基。 使上述化合物通过以下方法制备:(a)使式(CHEM)的化合物的酯形成衍生物,其中R 1和R 2如上定义,Q表示氧或硫原子, 其中Z如上所定义的式(III)化合物,或(b)使式(II)化合物与式R 3 X 1或R 4 X 1的化合物 IV)其中R 3和R 4如上所定义,X 1表示卤素原子,或(c)使式的化合物(其中R 2和Z如上定义) 与式R 1 -X 2(Ⅵ)的化合物反应,其中R 1如上定义,X​​ 2表示酸残基或重氮甲烷。 该化合物可用作除草剂。
    • 8. 发明公开
    • 2-Nitro-5-(substituted phenoxy) benzohydroximate derivatives and their use as herbicide
    • 2-硝基-5-(取代的苯氧基)苯并氢氧自由基和它的Verwendung als Herbizide。
    • EP0273432A2
    • 1988-07-06
    • EP87119275.3
    • 1987-12-28
    • MITSUBISHI PETROCHEMICAL CO., LTD.
    • Goh, AtsushiEndo, KeijiYamamoto, Yuri
    • C07C131/105C07C153/017A01N37/52
    • A01N37/52
    • A compound of the formula
      wherein R¹ represents a lower alkyl group, R² represents a hydrogen atom or a lower alkyl group, and Z represents a group of the formula -OR³ or -SR⁴ in which R³ represents a lower alkenyl or alkynyl group which may be substituted by halogen, cyano or lower alkoxycarbonyl, and R⁴ represents a lower alkyl group. The above compound is produced by (a) reacting an ester-forming derivative of a compound of the formula
          wherein R¹ and R² are as defined above, and
          Q represents an oxygen or sulfur atom,
      with a compound of formula
          Z-H      (III)
          wherein Z is as defined above, or (b) reacting the compound of formula (II) with a compound of the formula
            R³X¹ or R⁴X¹      (IV)
          wherein R³ and R⁴ are as defined above, and
          X¹ represents a halogen atom, or (c) reacting a compound of the formula
          wherein R² and Z are as defined above,
      with a compound of the formula
          R¹-X²      (VI)
          wherein R¹ is as defined above, and
          X² represents an acid residue,
      or diazomethane. This compound is useful as a herbicide.
    • 的化合物,其中R 1表示低级烷基,R 2表示氢原子或低级烷基,Z表示式-OR 3或-SR 3的基团, 4>其中R 3表示可以被卤素,氰基或低级烷氧基羰基取代的低级烯基或炔基,R 4表示低级烷基。 使上述化合物通过以下方法制备:(a)使式(CHEM)的化合物的酯形成衍生物,其中R 1和R 2如上定义,Q表示氧或硫原子, 其中Z如上所定义的式(III)化合物,或(b)使式(II)化合物与式R 3 X 1或R 4 X 1的化合物 IV)其中R 3和R 4如上所定义,X 1表示卤素原子,或(c)使式的化合物(其中R 2和Z如上定义) 与式R 1 -X 2(Ⅵ)的化合物反应,其中R 1如上定义,X​​ 2表示酸残基或重氮甲烷。 该化合物可用作除草剂。