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合成n
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  the synthesis of n
     Study on the Synthesis of N,N′-Bi(2,2,6,6-Tetramethyl-4-Piperidyl)Hexanediamine at Room Pressure
     常压合成N,N′-双(2,2,6,6-四甲基-4-哌啶基)己二胺的研究
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     A study on the synthesis of N,N'-bi(2,2,6,6,-tetramethyl-4-piperidyl) hexadiamine by catalytic hydrogenation
     催化氢化合成N,N’-双(2,2,6,6-四甲基-4-哌啶基)己二胺
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     The Synthesis of N,N-Diethylaniline in Microemulsion
     在微乳体系中合成N,N-二乙基苯胺
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     Study on the Synthesis of N,N′-methylenebisacrylamide by Solvent method
     溶剂法合成N,N'-亚甲基双丙烯酰胺的研究
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     Study on the Synthesis of N,N-diethyl-o-ethylaniline in the Presence of Phase Transfer Catalysis
     相转移催化合成N,N-二乙基邻乙基苯胺的研究
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  “合成n”译为未确定词的双语例句
     N-ALKYLATION OF IMIDAZOLES BY KOH/Al_2O_3
     用KOH/Al_2O_3合成N-烷基咪唑
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     Study on CuO/ZnO/Active Al 2O 3 Catalyst for Synthesis of N-Isopropylaniline
     CuO/ZnO/活性Al_2O_3催化剂合成N-异丙基苯胺催化性能的考察
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     Numerical Simulations of Particle Distributions for Sulfur Doped n-type Diamond Thin Film in the Mixture of H_2/CH_4/H_2S/Ar
     H_2/CH_4/H_2S/Ar气氛合成n型金刚石薄膜过程中硫分布的数值模拟
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     Synthesis of N-Ethylethylenediamine over Cu-Mg/Al_2O_3 Catalyst from Ethanol and 1,2-Ethylenediamine
     Cu-Mg/Al_2O_3催化乙醇和乙二胺合成N-乙基乙二胺
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     One-pot Synthesis of N-Alkenyl-(2R,3R)-O,O-Diacetyltartrimides
     “一锅法”合成N-链烯基-(2R,3R)-O,O-二乙酰酒石酰亚胺
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  相似匹配句对
     Coumarin fluorescent dyes such as C.
     合成了C.
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     N,N,N?
     合成N,N,N?
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     Synthesizing of Aspirin
     阿司匹灵的合成
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     Synthesis of Uniconazole P
     Uniconazole-P的合成
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  the synthesis of n
A procedure for the synthesis of N,N'-dioctylethylenediamine-N,N'-disuccinic acid is described.
      
The synthesis of N-benzoyl [N-(m-nitrobenzoyl)] derivatives of ?-aminocaproic acid oligomers by the reaction of ?-caprolactam with benzoic (nitrobenzoic) acid in the presence of p-toluenesulfonic acid as catalyst was studied.
      
Aromatic Crown Ethers as Phase Transfer Catalysts in the Synthesis of N-Acetylglucosamine β-Aryl Glycosides
      
The synthesis of N2,N6-substituted diaminopurine ribosides
      
Conditions have been developed for the synthesis of N-trifluoroacetyl-β-alanine, N-tifluoroacetyl-β-alanyl chloride, and N-trifluoroacetyl-β-alanine 4-nitrophenyl ester.
      
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The preparation of two kinds of nitrogen mustards related to local anesthetics wasdescribed.The compounds were(1).β-diethyl-amino-ethyl-ρ-bis-(2-chloroethyl)aminobenzoate(Ⅳ,procaine-mustard),in which the ρ-amino-group of procaine(Ⅱ)wasreplaced by bis-(2-chloroethyl)amino group(Ⅰ).Similarly,nitrogen mustards Ⅴ,Ⅶ,Ⅷ,Ⅸa.Ⅸb and Ⅸc related to thiocaine and other anesthetics have also been prepared.(2).N-β-diethylamino-ethyl 2-n-butoxy-6-bis-(2-chloroethyl)amino-cinchoninic acid amide(ⅩⅥ,percaine-mustard),which was...

The preparation of two kinds of nitrogen mustards related to local anesthetics wasdescribed.The compounds were(1).β-diethyl-amino-ethyl-ρ-bis-(2-chloroethyl)aminobenzoate(Ⅳ,procaine-mustard),in which the ρ-amino-group of procaine(Ⅱ)wasreplaced by bis-(2-chloroethyl)amino group(Ⅰ).Similarly,nitrogen mustards Ⅴ,Ⅶ,Ⅷ,Ⅸa.Ⅸb and Ⅸc related to thiocaine and other anesthetics have also been prepared.(2).N-β-diethylamino-ethyl 2-n-butoxy-6-bis-(2-chloroethyl)amino-cinchoninic acid amide(ⅩⅥ,percaine-mustard),which was obtained by introducing Ⅰ to the molecule of percaine(ⅩⅢ).By doing so,the authors are in the hope to obtain a drug which,when applingdirectly to tumour tissue will not only act locally so as to prevent the normal tissue frombeing poisoned but will exert also the pain-relieving action.Compound Ⅳ was obtained by the following ways:(1)Ⅱ was condensed withethylene oxide to give ρ-bis(2-hydroxyethyl)amino-compound(Ⅲ),which was then treatedwith thionyl chloride to form Ⅳ.(2).ρ-bis(2-chloroethyl)amino-benzoyl chloride(Ⅵ)was reacted directly with diethylamnio-ethanol.Compounds Ⅴ,Ⅶ,Ⅷ and Ⅸa(or Ⅸb or Ⅸc)were obtained by treatment of Ⅵwith dimethylamino-ethanol,diethylamino-ethyl mercaptan,diethylaminoethyl-amine,andn-propanol(or n-butanol or iso-pentanol)respectively.The compound ⅩⅥ was prepared by a 5-step synthesis starting from 2-chloro-6-nitro-cinchoninic acid chloride(Ⅹ)which was treated with diethylamine to form N-β-diethyl-amino-ethyl 2-chloro-6-nitro cinchoninic acid amide(Ⅺ).The latter was then converted toN-β-diethylamino-ethyl 2-n-butoxy-6-nitrocinchoninic acid amide(Ⅻ)by treating with sodiumhutoxylate.By direct nitration of percaine(ⅩⅢ)there was also formed Ⅻ,which uponcatalytic hydrogenation led to the formation of the corresponding 6-amino-compound(ⅩⅣ).The latter,on treatment with ethylene oxide,gave 6-his(2-chloroethyl)amino compond(ⅩⅤ)Which formed the desired product ⅩⅥ after being reacted with phosphorus oxychlo-ride.Compound Ⅻ exhibited quite strong local anesthetic activity;procaine-mustard Ⅳand percaine-mustard ⅩⅥ still retain the local anesthetic action as the parent compounds,but the corresponding bis(2-hydroxyethyl)amino compounds Ⅲ and ⅩⅤ were inactive.Compounds Ⅳ,Ⅴ,Ⅶ,Ⅷ and ⅩⅥ were active in vitro against tumour cells,S.180and Ehrlich ascites tumour.Pharmacological examinations are in progress.

1.本文报告对-双-(2-氯乙基)-氨基苯甲酸(β-二乙氨基)-乙酯(Ⅳ,普鲁卡因氮芥),对-双-(2-氯乙基)苯甲酸(β-二甲氨基)-乙酯(Ⅴ),对-双-(2-氯乙基)-氨基苯硫羟甲酸(β-二乙氨基)-乙酯盐酸盐(Ⅶ,硫卡因氮芥),N-(β-二乙氨基)-乙基-对-双-(2-氯乙基)-氨基苯甲酰胺(Ⅷ)及一些有关化合物的合成。2.自2-氯-6-硝基-辛可宁酰氯(X)或辛可卡因(ⅫⅠ)开始分别经五步或四步反应合成 N-(β-乙氨基)-乙基-2-丁氧基-6-双-(2-氯乙基)-氨基-辛可宁酰胺(ⅩⅥ,辛可卡因氮芥)。3.化合物Ⅳ,ⅩⅥ和 N-(β-二乙氨基)-乙基-2-丁氧基-6-硝基-辛可宁酰胺(Ⅻ)均具局部麻醉作用,其中以Ⅻ为最强,但其相应的双-羟乙基化合物Ⅲ和ⅩⅤ都无麻醉作用。化合物Ⅳ,Ⅴ,Ⅶ,Ⅷ和ⅩⅥ在体外对肉瘤180和艾氏腹水瘤细胞均有抑制作用。

A number of carbamates useful as insectisides have attracted much attention owing to their marked physiological activity. Both phenyl, naphthyl N,N-dimethylcarbamates as well as their mono- and dichloro-analogues were prepared in the present work in order to study the relationship between chemical constitution and insecticidal activity. Preliminary tests showed that dichloro-phenyl N,N-dimetnylcarbamate possessed strong insecticidal activity against house-flies, naphthyl N,N-dimethylcarbamate displayed strong...

A number of carbamates useful as insectisides have attracted much attention owing to their marked physiological activity. Both phenyl, naphthyl N,N-dimethylcarbamates as well as their mono- and dichloro-analogues were prepared in the present work in order to study the relationship between chemical constitution and insecticidal activity. Preliminary tests showed that dichloro-phenyl N,N-dimetnylcarbamate possessed strong insecticidal activity against house-flies, naphthyl N,N-dimethylcarbamate displayed strong insecticidal activities both to house-flies and mosquito-larvae whilst monochloronaphthyl N,N-dimethylcarbamate was more active to mosquito-larvae than to house-flies. Toxicity tests against 'mammalians are in progress.

本文合成了N,N-二甲氨基甲酸苯酯、4-氯苯酯、2,4-二氯苯酯、萘酯、4-氯萘酯、2,4-二氯萘酯等6种,并比较其杀虫效力,借以了解芳核上代入氯原子对杀虫作用的影响.对家蝇触杀作用,以苯核上代入2个氯原子的效果较好,萘核上代入氯原子对家蝇的触杀作用有所降低,而其一氯取代物对蚊蚴的浸杀效力略有增强.

The present paper deals with the synthesis of three pentapeptides containing the same amino acid sequence of the N-terminal of the A-chain of insulin, but differing in their protecting groups. They are N-carbobenzoxyglycyl-L-isoleucyl-L-valyl-γ-methyl-L-glutamyl-L-glutamine (Ⅰ), N-carbobenzoxyglycyl-L-isoleucyl-L-valyl-γ-methyl-L-glutamyl-L-glutamine carbo-t-butoxyhydrazide (Ⅱ) and N-carbobenzoxyglycyl-L-isoleucyl-L-valyl-L-glutamyl-L-glutamine methyl ester (Ⅲ).

本文报告三种带不同保护基的胰岛素A键氨端五肽的合成。它们是N-苄氧羰基甘氨酰-异亮氨酰-缬氨酰-γ-甲酯-谷氨酰-谷氨酰胺(Ⅰ)、N-苄氧羰基甘氨酰-异亮氨酰-缬氨酰-γ-甲酯-谷氨酰-谷氨酰胺酰肼基甲酸叔丁酯(Ⅱ)和N-苄氧羰基甘氨酰-异亮氨酰-纈氨酰-谷氨酰-谷氨酰胺甲酯(Ⅲ)。五肽Ⅰ是由初次合成的N-苄氧羰基甘氨酰-异亮氨酰-纈氨酸(Ⅵ)与γ-甲酯-谷氨酰-谷氨酰胺(Ⅸ)经羧酸碳酸混合酸酐法,或Ⅵ的酰肼衍生物与Ⅸ经迭氮化物法缩合而成。五肽Ⅱ是由Ⅵ与γ-甲酯-谷氢酰-谷氨酰胺酰肼基甲酸叔丁酯(Ⅺ)经混合酸酐法合成。五肽Ⅲ则系用活化酯法由谷氨酰胺甲酯的氨端开始,逐步与相应的N-保护的氨基酸对硝基苯酯缩合、延伸而得。在用混合酸酐法合成五肽Ⅰ中,从反应混合物分离得N-苄氧羰基甘氯酰-异亮氨酰-D-纈氨酸(ⅩⅫ)。由ⅩⅫ与Ⅸ合成五肽Ⅰ的立体异构体,N-苄氧羰基甘氨酰-异亮氢酰-D-纈氨酰-γ-甲酯-谷氨酰一谷氨酰胺(ⅩⅩⅢ)。由N-苄氧羰基-γ-甲酯-谷氧酰-谷氨酰胺酰肼基甲酸叔丁酯(Ⅹ)经脱去酰肼上的保护基后,用迭氮法与S-苄基-半胱氨酰-S-苄基-半胱氨酸缩合而得N-苄氧羰基-γ-甲酯-谷氨酰-谷氨酰胺酰-S...

本文报告三种带不同保护基的胰岛素A键氨端五肽的合成。它们是N-苄氧羰基甘氨酰-异亮氨酰-缬氨酰-γ-甲酯-谷氨酰-谷氨酰胺(Ⅰ)、N-苄氧羰基甘氨酰-异亮氨酰-缬氨酰-γ-甲酯-谷氨酰-谷氨酰胺酰肼基甲酸叔丁酯(Ⅱ)和N-苄氧羰基甘氨酰-异亮氨酰-纈氨酰-谷氨酰-谷氨酰胺甲酯(Ⅲ)。五肽Ⅰ是由初次合成的N-苄氧羰基甘氨酰-异亮氨酰-纈氨酸(Ⅵ)与γ-甲酯-谷氨酰-谷氨酰胺(Ⅸ)经羧酸碳酸混合酸酐法,或Ⅵ的酰肼衍生物与Ⅸ经迭氮化物法缩合而成。五肽Ⅱ是由Ⅵ与γ-甲酯-谷氢酰-谷氨酰胺酰肼基甲酸叔丁酯(Ⅺ)经混合酸酐法合成。五肽Ⅲ则系用活化酯法由谷氨酰胺甲酯的氨端开始,逐步与相应的N-保护的氨基酸对硝基苯酯缩合、延伸而得。在用混合酸酐法合成五肽Ⅰ中,从反应混合物分离得N-苄氧羰基甘氯酰-异亮氨酰-D-纈氨酸(ⅩⅫ)。由ⅩⅫ与Ⅸ合成五肽Ⅰ的立体异构体,N-苄氧羰基甘氨酰-异亮氢酰-D-纈氨酰-γ-甲酯-谷氨酰一谷氨酰胺(ⅩⅩⅢ)。由N-苄氧羰基-γ-甲酯-谷氧酰-谷氨酰胺酰肼基甲酸叔丁酯(Ⅹ)经脱去酰肼上的保护基后,用迭氮法与S-苄基-半胱氨酰-S-苄基-半胱氨酸缩合而得N-苄氧羰基-γ-甲酯-谷氨酰-谷氨酰胺酰-S-苄基-半胱氨酰-S-苄基-半胱氨酸(四肽ⅩⅩⅤ)。五肽Ⅰ、Ⅱ、Ⅲ,四肽ⅩⅩⅤ及其主要的合成中间肽的光学纯度均经亮氨酸氨肽酶、胰羧肽酶法或旋光法检定。在五肽的酶水解的条件下有部分的谷氨酰胺和谷氨酸变为四氢吡咯酮-(5)-羧酸-(2),致使该二氨基酸的测定值偏低。

 
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