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公开(公告)号:US4424364A
公开(公告)日:1984-01-03
申请号:US283650
申请日:1981-07-15
申请人: Norbert Goetz , Dietrich Mangold , Josef Wahl
发明人: Norbert Goetz , Dietrich Mangold , Josef Wahl
IPC分类号: C07D231/10 , C07D231/12
CPC分类号: C07D231/12
摘要: A process for the preparation of pyrazoles by reacting a pyrazoline with sulfur or selenium in a solvent.
摘要翻译: 吡唑啉与硫或硒在溶剂中反应制备吡唑的方法。
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公开(公告)号:US4187227A
公开(公告)日:1980-02-05
申请号:US879724
申请日:1978-02-21
申请人: Norbert Goetz , Dietrich Mangold , Bernd Zeeh
发明人: Norbert Goetz , Dietrich Mangold , Bernd Zeeh
IPC分类号: C07D263/44
CPC分类号: C07D263/44
摘要: 2,4-Dioxo-oxazolidines are manufactured by reacting aromatic amines with .alpha.-hydroxycarboxylic acid of the formula ##STR1## where R.sup.1 and R.sup.2 have the above meanings, Hal is halogen, preferably chlorine, and R.sup.4 is alkyl of 1 to 4 carbon atoms in the presence of a base, preferably at 20-120.degree. C.
摘要翻译: 2,4-二氧代恶唑烷是通过使芳族胺与式(IMAGE)其中R1和R2具有上述含义的α-羟基羧酸反应来制备的,Hal是卤素,优选氯,R4是1-4个碳原子的烷基 在碱的存在下,优选在20-120℃。
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公开(公告)号:US4410733A
公开(公告)日:1983-10-18
申请号:US337487
申请日:1982-01-06
申请人: Dietrich Mangold , Josef Wahl , Wolf-Karlo Aders
发明人: Dietrich Mangold , Josef Wahl , Wolf-Karlo Aders
CPC分类号: C07C41/54
摘要: Acetals of malonaldehyde are prepared by reacting an orthoester with a vinyl ether in the presence of a catalytic amount of FeCl.sub.3. The malonaldehyde acetals obtainable by the process according to the invention are valuable intermediates in the preparation of dyes, crop protection agents and drugs.
摘要翻译: 通过在催化量的FeCl 3存在下使原酸酯与乙烯基醚反应来制备丙二醛的缩醛。 通过根据本发明的方法可获得的丙二醛缩醛是制备染料,作物保护剂和药物的有价值的中间体。
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公开(公告)号:US4491672A
公开(公告)日:1985-01-01
申请号:US155760
申请日:1980-06-02
IPC分类号: C07C251/04 , C07C67/00 , C07C241/00 , C07C119/08
CPC分类号: C07C249/02
摘要: Aromatic azomethines are prepared by reacting anilines with formaldehyde and then removing the greater part of the water by distillation, low-boiling alcohols, in certain amounts, being present during the distillation and, if desired, during the reaction or during a part thereof.The aromatic azomethines obtainable by the novel process are valuable starting materials for the preparation of herbicides, especially pre-emergence herbicides and post-emergence herbicides, fungicides, insecticides, bacteriostatic agents, fungistatic agents and vulcanization accelerators.
摘要翻译: 芳族偶氮甲碱通过苯胺与甲醛反应然后通过蒸馏除去大部分水,一定量的低沸点醇,在蒸馏期间以及如果需要在反应过程中或在其一部分期间进行制备。 通过新方法获得的芳族偶氮甲碱是用于制备除草剂,特别是芽前除草剂和芽后除草剂,杀真菌剂,杀虫剂,抑菌剂,抑菌剂和硫化促进剂的有价值的起始材料。
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公开(公告)号:US3966750A
公开(公告)日:1976-06-29
申请号:US473505
申请日:1974-05-28
IPC分类号: C07D263/44
CPC分类号: C07D263/44
摘要: N-(3,5-dichlorophenyl)-5-H or lower alkyl-5-lower alkenyloxazolidine-2,4-diones or N-(3,5-dichlorophenyl)-5-methyleneoxazolidine-2,4-dione and fungicidal uses thereof.
摘要翻译: N-(3,5-二氯苯基)-5-H或低级烷基-5-低级链烯基恶唑烷-2,4-二酮或N-(3,5-二氯苯基)-5-亚甲基恶唑烷-2,4-二酮及杀真菌剂 其中。
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公开(公告)号:US4229365A
公开(公告)日:1980-10-21
申请号:US907912
申请日:1978-05-22
IPC分类号: C07B61/00 , B01J23/00 , C07C67/00 , C07C201/00 , C07C201/12 , C07C205/12 , C07C253/00 , C07C255/50 , C07C121/52 , C07C79/12
CPC分类号: C07C201/12
摘要: Fluorobenzenes are manufactured by reacting substituted chlorobenzenes with potassium fluoride in the presence of catalytic amounts of cesium fluoride and in the presence of certain solvents; m-nitrofluorobenzenes and m-cyanofluorobenzenes can also be manufactured in the absence of cesium fluoride. The products are starting materials for the manufacture of dyes, pharmaceuticals and pesticides.
摘要翻译: 在催化量的氟化铯和某些溶剂的存在下,使取代的氯苯与氟化钾反应制备氟苯; 间硝基氟苯和间 - 氰基氟苯也可以在不存在氟化铯的情况下制造。 该产品是用于制造染料,药物和农药的起始原料。
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公开(公告)号:US4095034A
公开(公告)日:1978-06-13
申请号:US675580
申请日:1976-04-09
IPC分类号: C07C271/08 , C07C20060101 , C07C67/00 , C07C239/00 , C07C125/06
CPC分类号: C07C271/06
摘要: Process for the manufacture of N-alkyl and N-alkenyl carbamates by reacting a hydroxyl compound with a carbamyl chloride essentially free from phosgene and hydrogen chloride at a temperature of from 60.degree. to 130.degree. C in alkyl or halogen benzenes as solvent.
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公开(公告)号:US3995049A
公开(公告)日:1976-11-30
申请号:US634259
申请日:1975-11-21
IPC分类号: C07D263/44
CPC分类号: C07D263/44
摘要: A fungicidal method employing N-(3,5-dichlorophenyl)-5-methyl-5-vinyloxazolidine-2,4-dione as the active ingredient.
摘要翻译: 使用N-(3,5-二氯苯基)-5-甲基-5-乙烯基恶唑烷-2,4-二酮作为活性成分的杀真菌方法。
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公开(公告)号:US3954827A
公开(公告)日:1976-05-04
申请号:US502741
申请日:1974-09-03
IPC分类号: C07C307/02 , C07C143/68
CPC分类号: C07C307/02
摘要: New and valuable substituted O-[aminosulfonyl]-glycolic anilides and a process for controlling the growth of unwanted plants with these compounds.
摘要翻译: 新的和有价值的取代的O- [氨基磺酰基] - 乙醇酰苯胺和用这些化合物控制有害植物的生长的方法。
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公开(公告)号:US4235814A
公开(公告)日:1980-11-25
申请号:US921312
申请日:1978-07-03
IPC分类号: C07C125/03
摘要: .alpha.-haloalkylcarbamyl halides are manufactured by reacting N-tert.-alkyl-N-1-alkenyl-carbamyl halides with a hydrogen halide at from -78.degree. C. to +80.degree. C.The .alpha.-haloalkylcarbamyl halides, e.g. .alpha.-chloroalkylcarbamyl chlorides, especially .alpha.-chloroethylcarbamyl chloride, prepared by the process of the invention, are valuable starting materials for the manufacture of surface-coating raw materials, textile coatings, dyes, drugs and crop protection agents.
摘要翻译: α-卤代烷基氨基甲酰卤通过N-叔烷基-N 1 - 烯基 - 氨基甲酰基卤化物与卤化氢在-78℃至+ 80℃下反应来制备。 通过本发明的方法制备的α-氯代烷基氨基甲酰氯,特别是α-氯乙基氨基甲酰氯,是用于制造表面包衣原料,纺织品涂料,染料,药物和作物保护剂的有价值的原料。
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