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    STUDIES ON ANTIMALARIALS Ⅵ. SYNTHESIS AND ANTIMALARIAL ACTIVITIES OF SOME 2,4-DIAMINO-6-SUBSTITUTED AMINO SULFONYL QUINAZOLINE DERIVATIVES
    疟疾防治药物的研究——Ⅵ.2,4-二氨基-6-取代氨基-磺酰基喹唑啉衍生物的合成及其抗疟作用
    THE PREPARATION OF 2 -[[( METHOXYCARBOXYL ) AMINO ]SULFONYL]BENZOIC ACID,METHYL ESTER
    2-[[(甲氧羰基)氨基]磺酰基]苯甲酸甲酯的制备
    Synthesis of 5-(N-substituted-amino)sulfonyl-1-naphthyl-amine
    5-(N-取代氨基)磺酰基-1-萘胺的合成
    Synthesis of the intermediate of herbicide nicosulfuron 2-aminosulfonyl-N,N-dimethylnicotinamide
    除草剂烟嘧磺隆中间体2-氨基磺酰基-N,N-二甲基烟酰胺的合成研究
    Synthesis of the Intermediate of Herbicide Nicosulfuron:2-aminosulfonyl-N N-dimethyl-3-pyridinecarboxamide
    除草剂烟嘧磺隆中间体2-氨基磺酰基-NN-二甲基-3-吡啶酰胺的合成
    Ethyl 5 [(ethoxycarbonyl)aminosulfonyl] 1 methyl pyrazole 4 carboxylate was prepared by a new method, using ethyl 5 (chlorosulfonyl) 1 methyl pyrazole 4 carboxylate, sodium cyanate and ethyl alcohol as starting materials. The yield is 75%.
    为合成除草剂吡嘧磺隆的中间体 ,提出了非光气法合成 5- [(乙氧羰基 )氨基磺酰基 ]- 1 -甲基吡唑 - 4-羧酸乙酯 (简称吡唑磺酰氨基甲酸酯 )的新方法 ,由 5-氯磺酰基 - 1 -甲基吡唑 - 4-羧酸乙酯 (简称氯磺酰基吡唑 )与氰酸钠反应 ,再醇解制得 ,收率约 75%。
    Chloro-N,N-dimethylnicotinamide was synthesized 2-aminosulfonyl-N,N-dimethyl-nicotinamide after thorough salt formation reaction,synthetic reaction of pyridinpolysulfide and acid treament,oxidation and chlorination reaction,amidation reaction.
    由N,N-二甲基-2-氯烟酰胺经成盐反应,酸化反应,氧氯化反应,氨化反应制得除草剂烟嘧磺隆的关键中间体2-氨基磺酰基-N,N-二甲基烟酰胺。
    The total yield reaches 77.73% based on 2-methoxycarbonyl-3-aminosulfonylthiophene and the purity is 93.6%.
    以2-甲氧羰基-3-氨基磺酰基噻吩计,总收率为77.73%,原药纯度达93.6%。
    Nine novel sulfonylurea compounds were synthesized. Their structures were confirmed by elemental analysis, IR and HNMR. The results of bioassay indicated that 〖2-(4-methylamino-6-isopropoxyl-2-triazinyl)aminocarbonylaminosulfonyl〗benzoic acid methyl ester showed good herbicidal activity.
    合成了9种未见文献报导的磺酰脲化合物,其结构经元素分析、IR和1H NMR表征. 生物活性研究表明:2 (4甲氨基6异丙氧基三嗪2基)氨基甲酰基氨基磺酰基 苯甲酸甲酯(Ⅲa)具有良好的除草活性.
    Using 2-aminosulfonyl N,N-dimethyl niaciamide (Abbreviation:sulfamide)as material, Thermal-process replace cold-process and making 2-oxethylcarboxideamino sulfonyl-N, N-dimetylniaciamide(abbreviation:ammoniaester), The belowings are summarized
    由2-氨基磺酰基-N,N-二甲基烟酰胺(简称“磺酰胺”)为原料,用热法代替冷法制备烟嘧磺隆的直接中间体2-乙氧基羰基氨基磺酰基-N,N-二甲基烟酰胺(简称“氨酯”)得到较满意的结果。
    HNPCC9908 is a novel sulfonylurea herbicide discovered by Hunan Branch of the National Pesticide R&D South Center, Changsha, China, which is effective in controlling various broadleaf weeds and some grasses in the wheat field.
    HNPC-C9908[2-(4-甲氧基-6-甲硫基嘧啶-2-基)氨基甲酰基氨基磺酰基苯甲酸甲酯]是国家南方农药创制中心湖南基地研制成功的具有自主知识产权的一种新型磺酰脲类除草剂,主要用于小麦田各种阔叶杂草和一些禾本科杂草的防除。
    A new method of synthesis of ethyl 5-[(methoxycarbonyl)aminosulfonyl]-1-methy-pyrazole-4-carboxylate was reported. Using ethyl 5-aminosulfonyl-1-methyl-pyrazole-4-carboxylate and dimethyl carbonate as starting materials. The yield is 85%.
    报道了一种非光气法合成除草剂吡嘧磺隆中间体5 [ (甲氧羰基)氨基磺酰基] 1 甲基吡唑4 羧酸乙酯(简称吡唑磺酰氨基甲酸酯)的新方法,由碳酸二甲酯与5 氨基磺酰基1 甲基吡唑4 羧酸乙酯(简称吡唑磺酰胺)在甲醇钠存在下反应制得产品, 收率85%。
 

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