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乙二酰胺

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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。

0 Of polyamidoamine has been synthesized by a divergent method with ethylenediamine as core.

采用发散合成法,合成了以乙二胺为核的1.0代树枝状大分子聚酰胺-胺(PAMAM1.0),用静态法测定了树枝状大分子在高硅溶液中对胶体硅的阻垢性能。

The result of the experiment showed that the qualitative medium - speed filter paper can be used as the material of the nitrite - detecting paper: color developing reagent A containing 4 - aminobenzene sulfonamide and N - 1 naphthyl ethylenediamine hydrochloride, and mixtures of 1 : 1 naphthylamine solution and sulfanilic acid solution as color developing reagent.

实验结果表明:定性中速滤纸可以作为亚硝酸根试纸的材料;含有4-氨基苯磺酰胺和N-1-萘基乙二胺盐酸盐的显色剂A及含有1:1的α-萘胺溶液和对氨基苯磺酸溶液的显色剂B,按1:1混合后可以作为显色剂;通过应用实验表明,亚硝酸根试纸具有体积小、便于携带、检测方便、成本低廉等特点。

Results show that, by using thionyl chloride and N,N-dimethyl formamide as chlorinating reagent and dichloromethane as solvent and taking -15℃ as reaction temperature, Z-iomer crystals with pale white color and stable to temperature can be obtained with an overall yield of 70%.

以2-(2-氨基噻唑-4-基)-2-甲氧亚氨基乙酸为原料,经盐酸化、氯代等反应合成了Z-2-(2-氨基噻唑-4-基)-2-甲氧亚氨基乙酰氯盐酸盐;氯代时以用亚硫酰氯和N,N-二甲基甲酰胺的混合物代替五氯化磷作氯化剂,并考察了温度和溶剂对氯代产物中Z-异构体和E-异构体收率的影响。

The condensation of aromatic aldehydes with active methylene compounds like malononitrile, cyanoacetamide and ethyl cyanoacetate has been found to proceed very efficiently at room temperature giving excellent yields, but the condensation of heteroaromatic,α,β-unsaturated and aliphatic aldehydes with active methylene compounds proceeded smoothly in 50~65℃ with good yields and the reactions of aromatic, aliphatic ketones as well as p-phthalaldehyde with malononitrile also proceeded in 75~85℃ with moderate yields.

芳香醛与活泼亚甲基化合物如丙二腈、氰基乙酸乙酯、氰基乙酰胺的缩合在室温下即能顺利进行,获得了很高的收率;而对于杂环芳醛、α,β-不饱和的醛以及脂肪醛与活泼亚甲基化合物的缩合,需在50~65℃下进行,也取得了很高的收率;对于脂肪酮、芳香酮以及二元醛与丙二腈的缩合在75~85℃下也能顺利地进行,获得中等以上的收率。

Ingredients: water,decyl glucoside,glycerin,sodium cocoamphodiacetate,sodium pca,polysorbate-20,cocamidopropyl betaine,carya illinoensis powder,panthenol,carbomer,aloe barbadensis leaf juice,lavandula angustifolia oil,perfume,tetrasodium edta,lactic acid.

主要成份:去离子水,葵基葡聚糖,甘油,椰油两性二醋酸二钠,吡咯烷酮羧酸钠,聚山梨醇酯-20 ,椰油酰胺丙基甜菜碱,核桃粉,泛醇,卡波姆,芦荟叶萃取物,薰衣草精油,香精,乙二胺四乙酸四钠,乳酸。

The pegylated polylactide-poly glycolide nanoparticle, whose surface was co-modified withmaleimide-polyethylene glycol and methoxy-polyethylene glycol, was made by double-emulsion and solvent evaporation method andcovalently conjugated with thiolated lactoferrin via its maleimide functionalgroup.

第一章首先由复乳/溶媒蒸发法制备马来酰亚胺—聚乙二醇(Maleimide-PEG,MAL-PEG)和甲氧基聚乙二醇表面共修饰的聚乳酸-聚羟基乙酸纳米粒,然后通过其表面MAL-PEG与巯基化Lf共价连接而制备Lf-NP_。

A GC headspace injection method for the determination of residual organic solvents such as methanol, ethanol, acetonitrile, dichloromethane, ethylacetate, 4 methyl 2 pentanone, toluene, DMF, chloroform and tetrahydrofuran in tazobactam was established.

建立了气相色谱顶空进样法测定三唑巴坦中甲醇、乙醇、乙腈、二氯甲烷、乙酸乙酯、甲基异丁基酮、甲苯、N ,N′-二甲基甲酰胺、氯仿和四氢呋喃等有机溶剂的残留量。

The main synthetic methods and application prospect of organic energetic dinitrate salt s,ethylenediamine dinitrate,azobisformamidine dinitrate,carbohydrazinium dinitrate,polyaminoguanidine dinitrate and tetrazine dinitrate,were reviewd with 26 references.

综述了乙二胺二硝酸盐、偶氮二甲醚二硝酸盐、碳酰肼二硝酸盐、氨基胍类二硝酸盐和四嗪类二硝酸盐等有机含能二硝酸盐的主要合成方法及应用前景。

The products include antioxidants,blowing agents,organic solvents, intermediates for pesticides,drugs and dyestuffs,perfumes,water glass,silicates,molybdenum compounds,graphite series,activated carbon,plasticizers,flame retardant,heat stabilizers,food additives and chemical reagents,etc.

注册商标有&鹿牌&合成樟脑,&桃浦&牌合成樟脑副产物和其他化工产品,&金牛&牌抗氧剂,发泡剂,水合肼,二甲基乙酰胺,二甲基乙醇胺,&海球&牌硅胶系列,&飞铃&牌磷氯,双乙烯酮衍生物,磷酸酯,乙烯利等,&泉字&牌,&水晶&牌各类泡化碱系列,&上胶&牌钼类化合物,石墨类产品系列。

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