二乙胺
- 与 二乙胺 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
Through using Mythylene DinitrAmine as rude product, the knowledge of its reaction properties in different phases have been increased, Through using Mythylene BisAcetAmide as rude product, intermediates which include 1,3-Diacetyl -4,5-dihydroxy -1,3-diazacyclopentane and 1,3-Diacetyl- 4,5-diacetoxy-l,3-diaza cyclopentane have been obtained. 2,4,6,8-tetracetyl- 2,4,6,8-tetraaza bicyclo[3,3,0]octane which can be used to produce Bicyclo-HMX by nitrolysis was also produced. Through using Mythylene BisFormAmide as rude product, intermediates which include 1,3-Diformyl-4,5-dihydroxy- 1,3-diazacyclopentane and 1,3-Diformyl- 4,5-diacetoxy-l,3-diazacyclopentane have been abtained.
以亚甲基二硝胺为初始原料,加深了对亚甲基二硝胺在不同反应相反应特征的认识;以亚甲基二乙酰胺为初始原料,制备了中间体1,3-二乙酰基-4,5-二羟基-1,3-二氮杂环戊烷和1,3-二乙酰基-4,5-二乙酰氧基-1,3-二氮杂环戊烷,最终制备了可被直接硝解为双环HMX的2,4,6,8-四乙酰基-2,4,6,8-四氮杂双环[3,3,0]辛烷;以亚甲基二甲酰胺为初始原料,制备了中间体1,3-二甲酰基-4,5-二羟基-1,3-二氮杂环戊烷和1,3-二甲酰基-4,5-二乙酰氧基-1,3-二氮杂环戊烷。
-
Uranium solution is obtained electrolytically by reducing uranyl ion on mercury cathode. The effect of the addition of various aminopolycarboxylic acids (such as EDTA, DTPA, CyDTA and TTHA) and organic water-miscible solvents (such as CH3OH, C2H5OH and CH3COCH3) on the stability of ura-nium in air has been investigated. The absorption spectra of uraniumand uraniumin 1 mol/l and 9mol/l hydrochloric acid solutions are examined.
本文采用汞阴极电解还原法制备了铀溶液,研究了在盐酸介质中各种氨羧络合剂乙二胺四乙酸二钠、二乙三胺五乙酸、1,2-环已烷二胺四乙酸、三乙基四胺六乙酸和水溶性有机溶剂甲醇、乙醇和丙酮的存在对铀稳定性影响,测定了在不同盐酸浓度中铀和铀的吸收光谱。
-
In this paper six kinds of alkyl polyamine polymers which were polyethylene glycol of molecular weight of 400, 600 and 1,000 modified with ethylenediamine or diethylenetriamine were synthesized, and the effects on ink absorption speed, definition and image quality of ink-jetprinting coating layer were studied. At the same time, the better coating formula were found.
本论文合成了六种烷基多胺——乙二胺和二乙三胺改性分子量为400,600以及1000的聚乙二醇所得到的产物,并且研究了它们对喷墨打印材料吸墨涂层的吸墨速度、清晰度及影像质量的影响,最后找出比较理想的涂层配方。
-
Major procurement of goods: a three-chlorosilanes, dichloromethane, AE activity ester, 3-iodine Silane, special acid, pentyl chloride, triethylamine, thiadiazole, tetrazolylazo acid, 2 - Acetamide, tetrahydrofuran, the four-guanidine, isopropanol, five phosphorus trichloride, sodium vary bitter, acid, sodium phenylacetate, 6-2 silicon n-amine, Ethylacetoacetate , Methyl isobutyl ketone, potassium dihydrogen phosphate, aluminium oxide, DL methionine, N, N-dimethylaniline, NN-diethyl aniline, 4 sodium EDTA, Anhydrous sodium sulfate, ammonium sulfate, potassium sulfate, sodium acetate, sodium carbonate, DMC, formic acid, sodium chloride medicinal, oxalate, protopine, acetone, alcohol, acetic acid, vinegar Ethyl, butyl acetate, methanol, ethanol (anhydrous, industrial, medicinal), formaldehyde, Ye Jian (30%), hydrochloride (industrial-grade, refined grade, reagent level), sulfate (98%), Ammonia, calcium carbonate, chlorine dioxide, 6 - APA ,7-ACA ,7-ADCA ,7-ANCA, sulbactam, ceftazidime activity ester, Deng salt (hydroxymethyl-K, acid precursors Potassium, sodium dihydrogen methyl), resin, the enzyme, water treatment agent, Xiao Mo agent, demulsifier, flocculants, activated carbon, all kinds of medicinal materials, All kinds of additives
三甲基一氯硅烷、二氯甲烷、AE活性酯、三甲基碘硅烷、特戊酸、特戊酰氯、三乙胺、噻二唑、四氮唑乙酸、二甲基乙酰胺、四氢呋喃、四甲基胍、异丙醇、五氯化磷、异辛酸钠、苯乙酸、苯乙酸钠、六甲基二硅胺烷、乙酰乙酸乙酯、甲基异丁酮、磷酸二氢钾、三氧化二铝、DL蛋氨酸、N,N-二甲基苯胺、NN-二乙基苯胺、乙二胺四乙酸四钠、无水硫酸钠、硫酸铵、硫酸钾、醋酸钠、碳酸钠、碳酸二甲酯、甲酸、药用氯化钠、草酸、片碱、丙酮、正丁醇、冰醋酸、醋酸乙酯、醋酸丁酯、甲醇、乙醇、甲醛、液碱(30%)、盐酸(工业级、精制级、试剂级)、硫酸(98%)、氨水、碳酸钙、二氧化氯、6-APA、7-ACA、7-ADCA 、7-ANCA、舒巴坦、头孢他啶活性酯、邓盐(羟甲基钾、前体酸钾、二氢甲基钠)、树脂、生物酶、水处理剂、消沫剂、破乳剂、絮凝剂、活性碳、各种药用辅料、各种添加剂
-
Replacement of one benzimidazole fragment with benzothiazole or benzoxazole and optimization of the structure to create the new frame of the compounds were also carried out with the exception to find more potent compounds. The purpose of design and synthesis of these compounds is to investigate the QSAR of this class of compounds with the inhibition of HCV NS3/NS4A protease and eventually to develop more potent inhibitors.
本文首次采用了丙二酰胺与邻芳二胺在微波辐射下制备对称性双芳并唑甲烷化合物、用芳并唑-2-乙酸乙酯与邻芳二胺在微波辐射下制备非对称性双芳并唑甲烷化合物、用4-取代噻唑-2-乙酸乙酯与邻芳二胺在微波辐射下制备非对称性(4-取代-噻唑-2-基)(1H-芳并咪唑-2-基)甲烷化合物等合成路线,共合成了48个目标化合物,其中41个为新化合物,用~1HNMR,ESI-MS,FT-IR,元素分析对这些化合物进行了全面表征,确定了这些化合物的结构,并对部分化合物进行了~(13)CNMR分析。
-
Firstly, 3-ethylthiobutanal was prepared from crotonaldehyde reacting with ethanehiol in triethylamine with high yield. Secondly, methyl acetoacetate was converted to 6-ethylthiohept-3-en-2-one by three steps via hydrolysis, condensation with 3-ethyltio-butanal and dehydration, then 6-ethylthiohept-3-en-2-one was cycloco ndensed with dimethyl malonate by Michael addition and Claisen condensation, followed by saponification and decarboxylation to give the intermediate of 5-(2-ethylthiopropyl)-cyclohexane-1,3-dione.
首先,以巴豆醛与乙硫醇为原料,在三乙胺的催化作用下高收率制得3-乙硫基丁醛;然后从乙酰乙酸甲酯出发,通过碱水解、与3-乙硫基丁醛缩合、脱水三步反应合成6-乙硫基-3-烯-2-庚酮,接着6-乙硫基-3-烯-2-庚酮与丙二酸二甲酯通过Michael加成和Claisen缩合成环,再通过皂化和脱羧反应生成中间体5-[2-丙基]-1,3-环己二酮;再与丙酸酐反应丙酰化,最后与0-3-氯-2-丙烯基羟胺肟化,得到目标化合物烯草酮。
-
Reaction of 9-bromofluorenewith diethyl malonate and sodium carbonate gives diethyl 2-(9-Fluorenyl)malonate.Aminolysis of diethyl 2-(9-Fluorenyl)malonate in ethylenediamine and propylene diamine give〓 and 〓, respectively.〓 and 〓 were synthesized by the reaction of 9-bromofluorene with oxalyl bisethylenediamine. Copper and nickel complexes of 〓 and 〓 were obtained by the reaction of 〓 and 〓 with copper and nickel salt, respectively, in aqueoussolution and extrusion of two hydrogen ions from the amide groups.
使9-溴芴与丙二酸二乙酯在无水碳酸钠存在下反应合成出2-(9-芴基)丙二酸二乙酯。2-(9-芴基)丙二酸二乙酯在乙二胺中胺解得到配体〓,2-(9-芴基)丙二酸二乙酯在1,2-丙二胺中胺解得到配体〓,使9-溴芴与草酰二乙二胺作用得到配体〓和〓与相应的金属盐作用分别得到它们的铜、镍配合物。
-
One of these compounds, 2-diethyl- aminoethyl-5--(4-methoxybenzylidene) cyclo- pentanone hydrochloride (T81) possessed sig- nificant antiinflammatory and analgesic ac- tivity when administered orally.
Ⅲ类化合物完全无抗癌活性,对其中一个化合物2-二乙胺乙基-5--(4-甲氧基苯亚甲基)环戊酮盐酸盐(T81)试验结果表明,它经口给药时具有显著的抗炎、镇痛活性。
-
The results showed that there was a more better effect of filmformation and absorbency to use poly 1788 as an adhesive and polyvinyl pyrrolidone(K:90) as a hydrophilic polymer. The silicon dioxide with particle size 0.3-1 μm as a inorganic pigment had a better absorbency. The polyethylene glycol modified with ethylenediamine had a more better characteristic of dye immobilization, absorbency and definition than the polyethylene glycol modified with diethylenetriamine, of which the polyethylene glycol of molecular weight of 400 modifiedwith ethylenediamine had more best performance.
研究结果表明:采用聚乙烯醇1788作黏合剂、聚乙烯吡咯烷酮(K值为90)作亲水性高分子可得到比较理想的成膜效果和吸墨效果;粒径分布范围在0.3-1 μm的二氧化硅作为无机颜料具有较好的吸墨性能;用乙二胺改性的聚乙二醇比用二乙三胺改性的聚乙二醇具有更好的固墨性、吸墨效果以及清晰度,其中乙二胺改性的分子量为400的聚乙二醇所得到的烷基多胺的效果为最好。
-
The hydrophobic core serves as a reservoir for water-insoluble drugs.Hence,these nanoparticles can be used as carriers for hydrophobic drugs.For the synthesis of cholesterol-modified glycol chitosan conjugates,a carboxyl group was initially introduced to cholesterol molecule using succinic anhydride,and then covalently coupled with the primary amino group of glycol chitosan in the presence of 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide hydrochloride and N-hydroxyl succinimide.
本文采用二步反应将胆固醇接枝到乙二醇壳聚糖,首先将胆固醇进行羧基化,将胆固醇与琥珀酸酐反应生成胆固醇半琥珀酸酯,然后用1-乙基-3-(3-二甲基氨丙基)碳二亚胺盐酸盐与N-羟基琥珀酰亚胺作为偶联剂,将胆固醇半琥珀酸酯的羧基与乙二醇壳聚糖主链的氨基进行反应,得到胆固醇疏水改性乙二醇壳聚糖共聚物。
- 推荐网络例句
-
I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""
客人们在卡罗利娜·埃凯家里,举止就文雅一些,因为卡罗利娜的母亲治家很严厉。
-
Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.
由著名品牌 Herm è s 设计,这件高贵的制服是香港本土制造,是我们第一套不配帽子的制服。
-
Do not 'inflate' your achievements and/or qualifications or skills .
不要 '夸大' 你的业绩或成果,条件或者技能。