乙醇胺
- 与 乙醇胺 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In this paper, chiral molybdenum or tungsten 2'-pyridinyl alcoholate complex catalyzed asymmetric epoxidation of cis-1-propenylphosphonic acid in H2O was reported.
目前磷霉素的生产是通过以Na2WO4为催化剂、在乙醇中以30%的H2O2将顺丙烯膦酸环氧化得到消旋产物,再利用α-苯乙胺进行拆分而得到[2,3]。
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When the temperature was 220℃and the concentration of water was 30%,77%N-ethylated aniline would be obtained.
特别当以乙醇为烷基化试剂时,各烷基胺类化合物在180℃的总产率均在95%以上。
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The chloroform layer and the aqueous layer were separated by multiple column chromatography including macroporous resin, silica gel and polyamide column and preparative HPLC. The compounds obtained were identified by mass spectra and NMR data.
大青叶乙醇提取物,用氯仿萃取后得到氯仿层和水层,各层再分别采用硅胶柱、大孔树脂柱、聚酰胺柱、制备液相、葡聚糖凝胶柱层析及重结晶等分离手段进行分离、纯化,并应用化学性质和质谱、波谱法(1H-NMR、13C-NMR、HMBC)鉴定其化学结构。
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The title compound (C21H15N5O) was obtained by the reaction of 3-methyl-1-phenyl-1H-pyrazol-5(4H)-one and 4-(2,2-dicyanovinyl)benzonitrile in water in the presence of TEBA and by recrystallization from EtOH(95%) and DMF.
水溶剂中,在三乙基苄基氯化铵存在下,由3-甲基-1-苯基-1H-吡唑-5(4H)-酮和4-(2,2-二氰基)苯基氰合成并经N,N-二甲基甲酰胺与95%乙醇的混合溶剂重结晶得到化合物C21H15N5O的晶体。
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The main contents are:(1) The polarized laser Raman spectra of acetone, methyl alcohol, alcohol, ethylene glycol, formamide, acetonitrile, acetic acid, Chloroform, Methylene chloride, and Bromoform are measured in the experiment.(2) The depolarization ratio of Raman shift in the measured spectrum are
主要的结果有:得到了丙酮分子9条喇曼谱线、甲醇分子5条喇曼谱线、乙醇分子9条喇曼谱线、乙二醇分子7条喇曼谱线、甲酰胺分子8条喇曼谱线、乙腈分子8条喇曼谱线、乙酸分子8条喇曼谱线
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Water,c12-20 acid peg-8 ester,octyldodecanol,propylene glycol,coco-caprylate/caprate,cetearyl isononanoate,prunus amygdalus dulcisoil,biosaccharide gum-1,phenoxyethanol,ethylhexyl methoxycinnamate,potassium cetyl phosphate,simmondsia chinensisseed oil,carbomer,glyceryl polymethacrylate,malva sylvestrisextract,glyceryl stearate,cetearyl alcohol,cetyl palmitate,cocoglycerides,c12-13 alkyl lactate,methylparaben,sorbic acid,disodium edta,sodium hydroxide,tocopheryl acetate,benzophenone-3,iris germanica root extract,retinyl palmitate,butylparaben,peg-8,propylparaben,ethylparaben,sodium hyaluronate,chlorhexidine digluconate,tocopherol,ascorbyl palmitate,citric acid,ascorbic acid
水, c12-20 acid peg-8 ester,辛基十二烷醇,丙二醇,coco-caprylate/caprate,鲸蜡硬脂醇异壬酸酯,甜杏仁油,多醣物质,苯氧乙醇,4-甲氧基肉桂酸-2-乙基己基酯,十六烷基磷酸钾,西蒙得木籽油,卡波姆,甘油聚甲基丙烯酸酯,锦葵萃取,甘油硬脂酸,棕榈醇,十六烷基棕榈酸酯,椰油脂酸甘油酯类,c12-13烷醇乳酸酯,对羟基苯甲酸甲酯,山梨酸,乙二胺四乙酸二钠,氢氧化钠,维生素E醋酸酯,二苯甲酮-3,鸢尾花萃取,维他命A酯,对羟基苯甲酸丁酯,聚乙二醇-8,羟苯丙酯,羟苯乙酯,透明质酸钠,洗必泰葡萄糖酸盐,维生素E ,维生素C棕榈酸酯,柠檬酸,抗坏血酸
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Water,c12-20 acid peg-8 ester,caprylic/capric triglyceride,proplylene glycol,ppg-15 stearyl ether,chondrus crispus,iris germanica(orris extract/cells),centaurea cyanus,macadamia ternifolia,buxus chinensis,triethanolamine,potassium cetyl phosphate,butyrospermum parkii,c12-13 alkyl lactate,carbomer,phenoxyethanol,methylparaben,imidazolidinyl urea,glyceryl hydroxystearin,tocopheryl acetate.retinyl palmitate,sodium hyaluronate,biosaccharide gum-1,propylparaben,disodium edta,ethylparaben,pentadecalactone,hydroxystearic acid,tetradecyloctadecanoic acid,tetradecyleicosanoic acid,hexadecyleicosanoic acid,butylparaben,isobutylparaben,chlorhexidine digluconate,tocopherol,lecithin,ascorbyl palmitate,glyceryl stearate,glyceryl oleate,BHT,citric acid.
水,C12-20 酸 PEG-8酯,辛酸/癸酸三酸甘油酯,丙二醇,PPG-15 硬脂基醚,卡拉胶萃取,德国鸢尾花提取物/细胞,矢车菊提取物,澳洲坚果油,荷荷巴油,三乙醇胺,十六烷基磷酸钾,牛油果,c12-13烷醇乳酸酯,卡波姆,苯氧乙醇,羟苯甲酯,尿素醛,甘油羟基硬脂酸酯,醋酸盐维他命E,维他命A酯,透明质酸钠,多醣物质,羟苯丙酯,乙酸乙二胺二钠,羟苯乙酯,环十五内酯,羟基硬脂酸,十四烷基十八烷酸,十四烷基二十烷酸,十六烷基二十烷酸,羟苯丁酯,对羟基苯甲酸异丁酯,洗必泰葡萄糖酸盐,维生素E,卵磷脂,抗坏血酸棕榈酸酯,甘油硬脂酸,甘油油酸酯,BHT,柠檬酸。水:几乎所有护肤品成分第一位都是水。辛酸/癸酸三酸甘油酯:润滑剂、扩散剂,棕榈油/椰子油衍生物
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Diethylthiophosphoryl chloride was synthesized by reacting phosphorus thiochloride with anhydrous alcohol in the presence of NaOH, and then a novel phosphorus-nitrogen- and sulfur-containing flame retardant, 1, 4-di(O,O-diethyl thiophosphoryl imine) benzene, was synthesized via the reaction of diethylthiophosphoryl chloride with p-phenylenediamine.
以三氯硫磷与无水乙醇在NaOH存在下合成了二乙基硫代磷酰氯,然后再与对苯二胺反应合成了新型的含磷、氮、硫的膨胀型阻燃剂:1,4-二(O,O-二乙基硫代磷酰亚胺基)苯。
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They are insoluble in water, ethanol, methanol, acetone, chloroform and benzene, but soluble in DMA, DMF and DMSO.
它们溶于N,N-二甲基甲酰胺、N,N-二甲基乙酰胺和二甲基亚矾等溶剂,但不溶于水、乙醇、甲醇、丙酮、氯仿和苯。
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Examples of suitable polar volatile liquid are amines ethers especially lower alkyl ethers organic acids esters ketones glycols alcohols amides ureas sulphoxides sulphones and water.
合适的极性挥发性液体的例子有胺,醚,尤其是低级烷基醚,有机酸,酯类,酮类,乙二醇,乙醇,酰胺,尿素,sulphoxides,砜和水。
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。