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    • 75. 发明授权
    • 1-브로모에틸 아세테이트의 제조방법
    • 1-브로모에틸아세테이트의제조방법
    • KR100403143B1
    • 2003-10-30
    • KR1020000076486
    • 2000-12-14
    • 씨제이 주식회사
    • 이광혁조성환윤용식최광도
    • C07C67/44
    • PURPOSE: Provided is a method for preparing high purity 1-bromoethyl acetate of the formula by simple refining process using industrially available material. CONSTITUTION: The method comprises reacting acetyl bromide and para-aldehyde. The para-aldehyde is used in equivalent of 0.8-1.5. The reaction temperature is 30-50 deg.C. The reaction effects in the presence of zinc chloride catalyst. The method further comprises the steps of washing the reactants with water to remove unreacted acetyl bromide and HBr, and distilling the reactants under reduced pressure to isolate a pure 1-bromoethyl acetate of the formula.
    • 目的:提供一种通过使用工业上可获得的材料的简单精制方法来制备高纯度的下式的乙酸1-溴乙基酯的方法。 组成:该方法包括使乙酰溴和对甲醛反应。 对甲醛的使用量相当于0.8-1.5。 反应温度为30-50℃。 在氯化锌催化剂存在下的反应效果。 该方法还包括以下步骤:用水洗涤反应物以除去未反应的乙酰溴和HBr,并在减压下蒸馏反应物以分离下式的纯1-溴乙基乙酸酯。
    • 79. 发明公开
    • 캐테콜 히드라존 유도체를 함유한 제초제 조성물
    • 含有CATHECOL HYDRAZONE DERIVATIVES的除草组合物
    • KR1020010036703A
    • 2001-05-07
    • KR1019990043818
    • 1999-10-11
    • 씨제이 주식회사
    • 윤용식장명식서병철김종훈이광혁김의경신재규이정근
    • A01N37/34
    • A01N33/26
    • PURPOSE: A herbicidal composition comprising an effective amount of cathecol hydrazone derivatives to remove weeds and carriers generally used in the field of agricultural chemicals is provided, which exhibits excellent herbicidal activity and in particular selectively acts on Graminae. CONSTITUTION: This composition is characterized in that it contains an effective amount of a compound of formula(1) to control weeds, and carriers generally used in the field of agricultural chemicals. In formula, R1 is C1-7 alkyl or C3-7 cycloalkyl; R2 is -H, -OH, -C1 to 5 alkyl or -CH2CH2C(=O)NH2; R3 or R4 are each independently i)-H, ii)C1-7 alkyl, iii)-C(=X)-R5, iv)substituted 2-, 3- or 4- pyridyl or phenyl or v)a ring compound directly connected to C3-4 containing O, S or N; X is O, S or N-R5; R5 is i)-C1-7 alkyl, ii)-NHR6 or iii)substituted 2-, 3- or 4- pyridyl, pyrimidyl or phenyl; and R6 is -H, -OH, -C1-5 alkoxy, -C1-5 alkyl, pyridyl or phenyl.
    • 目的:提供一种除草组合物,其包含有效量的用于去除农药领域中常用的杂草和载体的维管腙衍生物,其显示出优异的除草活性,特别是选择性地作用于禾本科植物。 构成:该组合物的特征在于其含有有效量的用于控制杂草的式(1)化合物和通常用于农药领域的载体。 在式中,R 1是C 1-7烷基或C 3-7环烷基; R 2是-H,-OH,-C 1至5烷基或-CH 2 CH 2 C(= O)NH 2; R 3或R 4各自独立地为i)-H,ii)C 1-7烷基,iii)-C(= X)-R 5,iv)直接取代的2-,3-或4-吡啶基或苯基或v)环化合物 连接到含有O,S或N的C3-4; X是O,S或N-R5; R5是i)-C1-7烷基,ii)-NHR6或iii)取代的2-,3-或4-吡啶基,嘧啶基或苯基; R6是-H,-OH,-C1-5烷氧基,-C1-5烷基,吡啶基或苯基。
    • 80. 发明公开
    • 캐테콜 히드라존 유도체를 함유한 살충제 조성물
    • 含有CATHECOL HYDRAZONE DERIVATIVES的杀虫剂组合物
    • KR1020010036702A
    • 2001-05-07
    • KR1019990043817
    • 1999-10-11
    • 씨제이 주식회사
    • 윤용식장명식서병철김종훈이광혁김의경신재규이정근
    • A01N37/34
    • A01N33/26
    • PURPOSE: An insecticidal composition comprising an effective amount of novel cathecol hydrazone derivatives, pharmaceutically acceptable salts and carriers generally used in the field of agricultural chemicals is provided, which exhibits excellent insecticidal activity. CONSTITUTION: This composition is characterized in that it contains an effective amount of a compound of formula(1) to control insects, pharmaceutically acceptable salts and carriers generally used in the field of agricultural chemicals. In formula, R1 is C1-7 alkyl or C3-7 cycloalkyl; R2 is -H, -OH, -C1 to 5 alkyl or -CH2CH2C(=O)NH2; R3 or R4 are each independently i)-H, ii)C1-7 alkyl, iii)-C(=X)-R5, iv)substituted 2-, 3- or 4- pyridyl or phenyl or v)a ring compound directly connected to C3-4 containing O, S or N; X is O, S or N-R5; R5 is i)-C1-7 alkyl, ii)-NHR6 or iii)substituted 2-, 3- or 4- pyridyl, pyrimidyl or phenyl; and R6 is -H, -OH, -C1-5 alkoxy, -C1-5 alkyl, pyridyl or phenyl.
    • 目的:提供一种杀虫剂组合物,其具有优异的杀虫活性,该杀虫组合物包含通常用于农药领域的有效量的新型导管腙衍生物,药学上可接受的盐和载体。 构成:该组合物的特征在于其含有有效量的式(1)化合物以控制农药领域通常使用的昆虫,药学上可接受的盐和载体。 在式中,R 1是C 1-7烷基或C 3-7环烷基; R 2是-H,-OH,-C 1至5烷基或-CH 2 CH 2 C(= O)NH 2; R 3或R 4各自独立地为i)-H,ii)C 1-7烷基,iii)-C(= X)-R 5,iv)直接取代的2-,3-或4-吡啶基或苯基或v)环化合物 连接到含有O,S或N的C3-4; X是O,S或N-R5; R5是i)-C1-7烷基,ii)-NHR6或iii)取代的2-,3-或4-吡啶基,嘧啶基或苯基; R6是-H,-OH,-C1-5烷氧基,-C1-5烷基,吡啶基或苯基。