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    • 61. 发明授权
    • 술폰아미드 유도체
    • 磺酰胺衍生物
    • KR100267506B1
    • 2000-11-01
    • KR1019980000502
    • 1998-01-10
    • 한국화학연구원
    • 김대황장해성고영관류재욱우재춘구동완김진석
    • C07D487/04
    • PURPOSE: Provided are novel sulfonamide derivatives represented by chemical formula 1 and herbicide compositions containing the same, which have superior herbicidal selectivity against various weeds with general application amount of 0.01¯ 10kg/ha. The sulfonamide derivatives are preferably mixed with additives or carriers for more effective applications. CONSTITUTION: The novel sulfonamide derivatives are represented by the chemical structure 1, where Ra represents hydrogen atom, halogen atom, C1¯C6 alkyl group, or C1¯C3 mono or poly haloalkyl group; Rb represents hydrogen atom, halogen atom, C1¯ C6 alkyl group, 1¯3 halogen substituted C1¯C6 haloalkyl group, C1¯C3 alkyl carbonyl group, or C1¯C6 alkoxycarbonyl group; Rc represents hydrogen atom, halogen atom, C 1¯C6 alkyl group, or C1¯C6 haloalkyl group; E is N or CH; X, Y, and Z are independently hydrogen atom, halogen atom, C1¯C6 alkyl group, C1¯C6 alkoxy group, C1¯C6 mono or poly haloalkyl group, or C1¯C6 mono or poly haloalkoxy group.
    • 目的:提供由化学式1表示的新型磺酰胺衍生物和含有该化合物的除草剂组合物,其具有对各种杂草的优良除草选择性,一般施用量为0.01〜10kg / ha。 磺酰胺衍生物优选与添加剂或载体混合以用于更有效的应用。 构成:新型磺酰胺衍生物由化学结构1表示,其中Ra表示氢原子,卤素原子,C 1 -C 6烷基或C 1 -C 3单或多卤代烷基; R b表示氢原子,卤原子,C 1 -C 6烷基,1〜3卤素取代的C 1 -C 6卤代烷基,C 1 -C 3烷基羰基或C 1 -C 6烷氧基羰基; Rc表示氢原子,卤素原子,C 1 -C 6烷基或C 1 -C 6卤代烷基; E为N或CH; X,Y和Z独立地为氢原子,卤素原子,C 1 -C 6烷基,C 1 -C 6烷氧基,C 1 -C 6单或多卤代烷基或C 1 -C 6单卤代烷基或聚卤代烷氧基。
    • 69. 发明公开
    • 4,5-디히드로옥사졸-2-일벤젠 유도체의 제조방법
    • 制备4,5-二羟基-2-甲基苯并噻唑衍生物的方法
    • KR1020130075163A
    • 2013-07-05
    • KR1020110143415
    • 2011-12-27
    • 주식회사 팜한농한국화학연구원
    • 류재욱고영관김종근서지수구동완김경성최인영홍미숙김태준안희근김시용
    • C07D413/14C07D413/12C07D401/14A01N43/76
    • PURPOSE: A method for preparing 4,5-dihydrooxazol-2-ylbenzene derivatives is provided to have a relatively mild reaction condition, to easily handle a reagent, and to synthesize the 4,5-dihydrooxazol-2-ylbenzene derivatives with high yield. CONSTITUTION: A method for preparing 4,5-dihydrooxazole-2-ylbenzene compound of chemical formula 1 or a salt thereof comprises the step of cyclizing a hydroxyalkyl benzamide of chemical formula 2 under the presence of (diethylamino)sulfur trifluoride (DAST) or para-toluene sulfonate (TsOH). The cyclization is performed under the presence of a base selected from the group consisting of tray (C_1-C_6) alkyl amine, alkali metal or hydroxide of the alkali earth metal, hydroxide, and C_1-C_6 alkoxide. The base is selected from the group consisting of trimethyl amine, triethyl amine, diethyl isopropyl amine, lithium hydroxide, sodium hydroxide, calcium hydroxide, sodium hydroxide, potassium hydroxide, sodium methoxide, and potassium methoxide.
    • 目的:提供一种制备4,5-二氢恶唑-2-基苯衍生物的方法以具有相对温和的反应条件,容易处理试剂,并以高产率合成4,5-二氢恶唑-2-基苯衍生物。 构成:用于制备化学式1的4,5-二氢恶唑-2-基苯化合物或其盐的方法包括在(二乙基氨基)三氟化硫(DAST)或对位基团的存在下使化学式2的羟基烷基苯甲酰胺环化的步骤 - 甲苯磺酸盐(TsOH)。 环化是在碱土金属的碱土金属,碱金属或氢氧化物的塔板(C_1-C_6)烷基胺,碱金属或氢氧化物,C_1-C_6烷氧基化物的碱存在下进行的。 碱选自三甲胺,三乙胺,二乙基异丙胺,氢氧化锂,氢氧化钠,氢氧化钙,氢氧化钠,氢氧化钾,甲醇钠和甲醇钾组成的组。