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乙酰胺基

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This chelating starch was used to chelate copper and argentum ions,and thermal gravity analysis was .

以淀粉为原料,接枝丙烯酸甲酯,然后与乙二胺反应,合成了具有多个酰胺基和胺基的螯合淀粉。

Polyethersulfone with cardo was a developed engineering thermoplastic and membrane material with high glass transition temperature,PES-C ultrafiltration membranes were prepared by phase inversion method using dimethylacetamide as solvent and oxalic acid and polyethylene glycol as additives.The membrane morphology forming and evolution could be observed by the experimental system and method.The effect of additive and polymer concentration on cast solution and the gelation kinetics of polyethersulfone with cardo asymmetric membrane were studied.

采用耐高温工程塑料——含酚酞侧基的聚芳醚砜为膜材料,草酸和聚乙二醇为添加剂, N,N -二甲基乙酰胺为溶剂,并利用改进的凝胶动力学实验装置和方法,使之能真实地再现不同膜孔结构生长及发展演化的过程,借助相关软件对图像进行处理,考察了添加剂、聚合物浓度对铸膜液凝胶速度的影响,对酚酞基聚芳醚砜非对称膜的凝胶过程的动力学进行研究。

Water,Hydrogenated Polyisobutene,Cyclohexasiloxane,Glycerin,Alcohol Denat,Cetearyl Alcohol,PEG-20,Petrolatum,C13-14 Isoparaffin,Zea Mays Oil,Tocopheryl Acetate,Hydroxypropyl Tetrahydropyrantriol,Hydrolyzed Soy Protein,CI 14700/Red 4,Phenoxyethanol,Adenosine,PEG-100 Stearate,Ethylparaben,Triethanolamine,Polyacrylamide,Malus Domestica Stem Cell Culture,CI 19140/Yellow 5,Dimethyl Isosorbide,Dimethicone,Dimethiconol,Limonene,Xanthan Gum,Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate,Linalool,2-Oleamido-1,3-Octadecanediol,Capryloyl Salicylic Acid,Acrylates/C10-30 Alkyl Acrylate Crosspolymer,Passiflora Edulis Seed Oil,Disodium EDTA,Castanea Sativa Seed Extract,Butyrospermum Parkii· Cetyl Alcohol,Butylene Glycol,Octyldodecanol,Cetearyl Glucoside,Methylparaben,Citronellol,Prunus Armeniaca Kernel Oil,Laureth-7,Coumarin,Oryza Sativa Bran Oil,Glyceryl Stearate,Fragrance

水,甘油,氢化聚异丁烯,液体石蜡/矿油,丁二醇,环己硅氧烷,鲸蜡醇,甘油硬脂酸酯,棕榈油,玉米胚芽油,PEG-100硬脂酸酯,白蜂蜡/蜂蜡,肉豆蔻醇肉豆蔻酸酯,石蜡,香精,腺苷,苧烯,山梨醇,CI 14700,CI 19140,稻糠油,杏仁油,EDTA二钠,羟丙基四氢吡喃三醇,苯氧乙醇,聚乙二醇-14M,异十六烷,氢氧化钠,辛基十二醇,季戊四醇四(双-t-丁基羟基氢化肉桂酸)酯,山梨坦三硬脂酸酯,水解大豆蛋白,卡波姆,鸡蛋果籽油,苹果果实提取物,欧洲栗籽提取物,异山梨醇酐二甲醚,聚山梨醇酯-80,辛酰水杨酸,2-油酰胺基-1,3-十八烷二醇,氯苯甘醚,麦芽糖醇,香豆素,黄原胶,微晶蜡,丙烯酰胺/丙烯酰基二甲基牛磺酸钠共聚物,丙二醇,芳樟醇,香茅醇,玉米油,羟苯丙酯,羟苯甲酯

Fluorescence experiment indicated that the characteristic emission intensity of terbium ion was greatly increased and possibly sensitized by gadolinium ion.

铕聚 N 乙烯基乙酰胺是一种无毒、生理相容性好的聚酰胺类高分子,可溶于水和有机溶剂,无低临界溶解温度[3]。

To understand the reaction of tetrakis hydroxymethyl phosphonium chloride with collagen protein,the interactions of THPC with polycaprolactam,poly vinyl alcohol or ethylenediamine which were used as the model substances of amido,hydroxy and amino groups of collagen protein were examed.

通过研究THPC与聚己内酰胺、聚乙烯醇、乙二胺的酰胺基、羟基、氨基的反应,间接证明THPC主要与胶原蛋白的氨基结合,可与氨基以n∶n=1.0∶2.2形成交联,THPC与羟基和酰胺基均有少量结合,并在pH=8.0时结合量最高。

A series of p-toluene sulfonylamido acetacylhydrazone derivatives were synthesized from p-toluenesulfonyl chloride which reacted with glycine to get the intermediate p-toluene sulfonylamido glycine, then through the esterification, hydrazinolysis to afford another intermediate p-toluene sulfonylamido acethydrazide, which condensed with different aldehydes to obtain the target compounds that were characterized by IR, 1H NMR, 13C NMR spectra and elemental analysis.

魏太保 ;冷艳丽;王永成;张建辉;张有明*摘要:以对甲苯磺酰氯为原料,通过与氨基乙酸反应得到中间体对甲苯磺酰氨基乙酸,再经酯化、肼解得到对甲苯磺酰氨基乙酰肼,然后与相应的醛缩合得一系列对甲苯磺酰胺基乙酰腙类化合物。其结构经元素分析, IR, 1H NMR和13C NMR确证。

Synthesis process of 2,6-dichloro-3-methylaniline was investigated 3-methylaniline was first N-acetylated with acetic anhydride,then treated with chlorosulphonic acid and ammonia yielding the 2-methyl-4--benzenesulfonic amide,which wasin turn deacetylated,chlorinated and hydrolyzed to the title compound.Hydrochloric acid was used instead of sodium hydroxide in deacetylation and sodium chlorate instead of hydrogen peroxide as oxidant in chlorination.

合成工艺2,6-二氯-3-甲基苯胺调查3-甲基首次N-乙酰与醋酸酐,然后与氯磺酸和氨产量 2-甲基-4--苯磺酰胺基,而擅转乙酰,氯化和水解的标题compound.hydrochloric酸代替氢氧化钠乙酰氯酸钠代替双氧水为氧化剂,加氯。

In the third chapter, the synthesis of5-[(1"S)-1",2"-diacetyl-oxyethyl]-1-phenylpyrazol-3-carboxaldehyde oxime(2) from5-[(1"S)-1",2"-diacetyl-oxyethyl]-1-phenylpyrazol-3-carboxaldehyde(1) and phenyl-hydrazine were introduced firstly. The synthesis of nine dioxapyrrolino[3,4-c]pyrazoles containing chiral pyrazolyl moiety(6a-i) from 2 with N-substituted-phenylmaleimide by nonmetal oxidant IBD-initiated intermolecular 1,3-dipolarcycloaddition was described in detail.

第三章首先以5-[(1′S)-1′,2′-二乙酰氧基乙基]-1-苯基吡唑-3-醛(1)和苯肼为原料,合成了化合物5-(1′S)-1′,2′-二乙酰氧基乙基1-1-苯基吡唑-3-醛-苯腙(2);再用化合物(2)与N-取代苯基马来酰亚胺反应,利用无金属氧化剂—IBD引发1,3-偶极反应,发生分子间的环加成,合成了9种新型手性吡唑连二氧代吡咯啉并

Bezaldehyde was used as protective agent in first method.S-Epichloeohydrin was aminated and acidulated to give(2S)-1-Amino-3-chloro-propanol Salts.The acetylation of (2S)-1-Amino-3-chloro-propanol by acetic anhydride produced the intermediate-N-[2--3-chloropropyl]acetamide.And then at 20℃,in the presence of lithium tert-butoxide,benzyl 3-fluoro-4-morpholinophenyl carbamate react with-N-[2--3-chloropropyl]acetamide to give linezolid in total yield of 43.6%.

路线一采用苯甲醛作保护剂,使S-环氧氯丙烷氨解、酸化生成S-1-氨基-3-氯-2-丙醇盐酸盐,然后经乙酰化反应后,生成中间体-N-[2-乙酰氧基-3-氯丙基]乙酰胺,再用N-(3-氟-4-吗啉苯基)氨基甲酸苄酯和中间体在催化剂叔丁醇锂存在下25℃反应生成利奈唑酮,总产率达到43.6%。

The results showed 3 types of aluminum compound prepared in this paper all had good poison protection effectiveness on such impurities as stannous chloride,lead oxide,sodium hydrogen sulfate,and so on.Moreover,the mechanism of the poison of catalyst was also discussed.

结果表明,合成的3种防中毒剂即防-1、防-2(主要成分为乙酰丙酮合铝)及防-3(主要成分为二乙酰丙酮基异丙氧基铝)对二月桂酸二丁基锡、氯化亚锡、二正丁胺、硫脲、氧化铅及硫酸氢钠等杂质均有较好的防中毒作用;不同防中毒剂对不同杂质的防中毒作用有一定的选择性。

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I didn't watch TV last night, because it .

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Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

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