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    • 1. 发明授权
    • Selectively herbicidal
4-amino-6-tert.-butyl-3-ethylthio-1,2,4-triazin-5(4H)-one
    • 选择性除草的4-氨基-6-叔丁基-3-乙硫基-1,2,4-三嗪-5(4H) - 酮
    • US4457774A
    • 1984-07-03
    • US303658
    • 1981-09-18
    • Ludwig EueRobert SchmidtKarlfried Dickore
    • Ludwig EueRobert SchmidtKarlfried Dickore
    • A01N43/707A01N47/12A01N43/64
    • A01N43/707A01N47/12
    • A selectively herbicidal composition of matter comprising a herbicidally effective amount of(i) 4-amino-6-tert.-butyl-3-ethylthio-1,2,4-triazin-5(4H)-one, and(ii) at least one ofS-2,3,3-trichloroallyl diisopropyl-thiolcarbamate,S-2,3-dichloroallyl diisopropyl-thiolcarbamate,1-amino-6-ethylthio-3-(2,2-dimethylpropyl)-1,3,5-triazine-2,4(1H,3H)-dione,1,2-dimethyl-3,5-diphenyl-pyrazolium methyl-sulphate,ethyl N-benzoyl-N-(3,4-dichlorophenyl)-2-amino-propionate,isopropyl N-benzoyl-N-(3-chloro-4-fluorophenyl)-2-amino-propionate,methyl N-benzoyl-N-(3-chloro-4-fluorophenyl)-2-amino-propionate,methyl 2-[4-(2,4-dichlorophenoxy)-phenoxy]-propionate, andmethyl 2-chloro-3-(4-chlorophenyl)-propionate.Ingredient (i) above as well as the compositions are especially suited for selectively killing monocotyledon and dicotyledon weeds in the cultivation of cereals and leguminous plants.
    • 一种选择性除草组合物,其包含除草有效量的(i)4-氨基-6-叔丁基-3-乙硫基-1,2,4-三嗪-5(4H) - 酮,和(ii)在 S-2,3,3-三氯烯丙基二异丙基硫代氨基甲酸酯,S-2,3-二氯烯丙基二异丙基硫代氨基甲酸酯,1-氨基-6-乙硫基-3-(2,2-二甲基丙基)-1,3,5 - 三嗪-2,4(1H,3H) - 离子,1,2-二甲基-3,5-二苯基 - 吡唑鎓甲基硫酸盐,N-苯甲酰基-N-(3,4-二氯苯基)-2-氨基 丙酸酯,N-苯甲酰基-N-(3-氯-4-氟苯基)-2-氨基丙酸异丙酯,N-苯甲酰基-N-(3-氯-4-氟苯基)-2-氨基丙酸甲酯,甲基 2- [4-(2,4-二氯苯氧基) - 苯氧基]丙酸酯和2-氯-3-(4-氯苯基)丙酸甲酯。 上述成分(i)以及组合物特别适用于在种植谷物和豆科植物中选择性杀死单子叶植物和双子叶植物杂草。
    • 6. 发明授权
    • Production of 3,3-dimethyl-2-oxo-butyric acid salt
    • 制备3,3-二甲基-2-氧代 - 丁酸盐
    • US4564704A
    • 1986-01-14
    • US227552
    • 1981-01-22
    • Karlfried DickoreHans D. EngelsHans KratzerWalter Merz
    • Karlfried DickoreHans D. EngelsHans KratzerWalter Merz
    • C07C45/63C07C51/00C07C59/185C07C51/285C07C51/373
    • C07C59/185C07C45/63C07C51/00
    • Dichloropinacolone is produced by introducing into pinacolone twice the molar amount of chlorine, the exothermic reaction mass being cooled initially to maintain the temperature below about 50.degree. C. until about 60 to 80% of the chlorine has been introduced, and then heating the reaction mass to a temperature above 50.degree. C. during introducing of the remainder of the chlorine, thereby to produce dichloropinacolone, and terminating chlorine introduction when the dichloropinacolone content of the reaction mass is at least about 97%. The molten product is added to an aqueous solution of an alkali maintained at a temperature of at least about 50.degree. C., the alkali being present in more than three times the molar amount of the dichloropinacolone. To the resulting solution of a salt of 3,3-dimethyl-2-hydroxy-butyric acid, brought to a pH of about 9 to 12, there is added approximately the stoichiometric amount of potassium permanganate. Solid MnO.sub.2 precipitates out and is separated from the substantially pure dissolved salt of 3,3-dimethyl-2-oxo-butyric acid. The product is a known compound suited for further syntheses.
    • 通过将频倍他康酮引入两倍于氯的摩尔量来产生二氯可乐乐,最初冷却放热反应物质以保持温度低于约50℃,直到引入约60至80%的氯,然后加热反应物质 在导入剩余的氯的过程中温度高于50℃,从而产生二氯靛那烯,并且当反应物质的二氯新戊酮酮含量为至少约97%时终止氯引入。 将熔融产物加入到保持在至少约50℃温度的碱的水溶液中,碱的存在量是氯苯腈的摩尔量的三倍以上。 向所得到的3,3-二甲基-2-羟基 - 丁酸的盐溶液中加入大约9-12的pH,加入大约化学计量的高锰酸钾。 固体MnO 2析出并与3,3-二甲基-2-氧代 - 丁酸的基本上纯的溶解盐分离。 该产物是适用于进一步合成的已知化合物。
    • 7. 发明授权
    • Preparation of 1-amino-1,3,5-triazine-2,4(1H, 3H)-diones
    • 1-氨基-1,3,5-三嗪-2,4(1H,3H) - 二酮的制备
    • US4426523A
    • 1984-01-17
    • US346341
    • 1982-02-05
    • Karlfried DickoreEngelbert Kuhle
    • Karlfried DickoreEngelbert Kuhle
    • A01N43/64C07C67/00C07C313/00C07C337/08C07D251/38
    • C07D251/38
    • Herbicidal 1-amino-1,3,5-triazine-2,4(1H, 3H)-diones of the general formula ##STR1## are obtained in good yields if an N-substituted O-aryl N-chlorocarbonyl carbamate of the general formula ##STR2## is reacted with an isothiosemicarbazone of the general formula ##STR3## or hydrohalide thereof, (R.sup.1 to R.sup.4 in formulae (I) to (III) having the meanings given in the description), at a temperature between 0.degree. and 50.degree. C., in the presence of an acid-binding agent, the open-chain intermediate products formed thereby are then heated (if appropriate without intermediate isolation), in a second stage, to a temperature between 50.degree. and 150.degree. C. and, finally, in a third stage, the 1-alkylideneamino-1,3,5-triazine-2,4(1H, 3H)-dione formed thereby is hydrolyzed (if appropriate again without intermediate isolation) in an acid medium.
    • 如果N-取代的O-芳基N-氯羰基氨基甲酸酯,得到具有通式“IMAGE”(I)的除草剂1-氨基-1,3,5-三嗪-2,4(1H,3H) - 二酮 (II)的异硫代缩氨基脲与其描述中给出的含义的式(I)至(III)中的R 1至R 4在式(III)的异硫代缩氨基脲或其氢卤化物反应: 在0℃和50℃之间的温度下,在酸结合剂的存在下,由此形成的开链中间产物然后在第二阶段加热(如果合适而不中间分离),温度 在50℃至150℃之间,最后在第三阶段中由此形成的1-亚烷基氨基-1,3,5-三嗪-2,4(1H,3H) - 二酮水解 分离)在酸性介质中。
    • 10. 发明授权
    • N-Substituted imido-dicarboxylic acid diaryl ester method of preparation
    • N-取代的亚氨基二羧酸二芳基酯的制备方法
    • US4451406A
    • 1984-05-29
    • US520704
    • 1983-08-05
    • Karlfried DickoreEngelbert Kuhle
    • Karlfried DickoreEngelbert Kuhle
    • C07C67/00C07C239/00C07C269/06C07C271/08C07C271/66C07C313/00C07C323/43C07D251/38C07C125/067
    • C07D251/38
    • Novel N-substituted imido-dicarboxylic acid diaryl ester compounds of the general formula ##STR1## in which R.sup.1 represents an optionally substituted aliphatic, cycloaliphatic, araliphatic, aromatic, heterocyclic radical andR.sup.2 and R.sup.3 can be identical or different and represent an optionally substituted aryl radical,and a process for their preparation characterized in that a carbamic acid aryl ester of the general formula:R.sup.1 --NH--CO--OR.sup.2 (II)in which R.sup.1 and R.sup.2 have the abovementioned meanings, is reacted with a carbonic acid aryl ester halide of the general formulaX--CO--OR.sup.3 (III)in whichR.sup.3 has the abovementioned meaning andX represents a halogen atom, optionally in the presence of a diluent, optionally at a temperature between 100.degree. and 300.degree. C.The new compounds (I) can be used as intermediate products for the preparation of known herbicidal active compounds from the 1,3,5-triazine,2,4-(1H,3H)-dione series.
    • 通式(I)的新型N-取代的亚氨基二羧酸二芳基酯化合物,其中R 1表示任选取代的脂族,脂环族,芳脂族,芳族,杂环基团,R 2和R 3可以相同或不同,表示 任选取代的芳基,以及其制备方法,其特征在于将具有上述含义的R 1和R 2的通式为R 1 -NH-CO-OR 2(II)的氨基甲酸芳基酯与碳酸 任选在稀释剂存在下,任选地在100℃和300℃之间的温度下,通式X-CO-OR 3(III)的芳基酯卤化物,其中R 3具有上述含义并且X代表卤素原子。 新化合物(I)可用作从1,3,5-三嗪,2,4-(1H,3H) - 二酮系列制备已知除草活性化合物的中间产物。