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胺化

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Dendritic p-t-butylcalix arene amide derivatives with terminal amino groups of the first and second generations were synthesized from the ammonolysis of ethyl calixylacetate with 1, 6-diaminohexane and Michael addition of methyl acrylate. Their structures were confirmed by IR, 1H NMR.

通过扩散法,采用氨基对丙烯酸甲酯的Michael加成反应和酯基的酰胺化反应交替进行,合成了4种树枝型对叔丁基杯芳烃酰胺衍生物(n=6,8)。

They were subjected to a 〓 reaction with sodium azide, hydrogenation, amidation,hydrolysis and Jones oxidation to afford 112 and 116, respectively.

它们分别经过与叠氮化钠的亲核取代反应、氢化、酰胺化、N〓催化的水解,Jones氧化以后分别给出化合物112和116。

The disproportionation of dimethylamine to methylamine and trimethylamine was confirmed by the analysis of the gasous phase during the amination test.

脂肪醇和二甲胺催化胺化中的主要副产物为双长链烷基甲基叔胺。

The other one of the technological lines is the one-step process of direct catalytic amination of sec-octanol and methylamine.

该化合物可以由仲辛醇与甲胺直接催化胺化一步法制得。

Novel sodium 2-2-(alkylaryloxy-alkylamidoethanesulfonates (m+nAr-T, m, n: carbon numbers; Ar: aromatic nucleus; T: taurine) with high purity were synthesized through bromization, esterification, Fries rearrangement, Pd-catalyzed hydrogenation, Williamson reaction, and acylation, et al, using carboxylic acid, phenol and taurine as starting materials. The structures and purities were characterized.

以羧酸、苯酚和牛磺酸为原料,通过溴代反应、酯化反应、Fries重排反应、催化氢化反应、Williamson反应以及催化酰胺化反应等过程,首次成功合成并表征了系列结构明确的高纯度N-酰基牛磺酸钠(m+nAr-T,m、n为烷基链碳数,Ar为芳环,T表示taurine)。

The synthesis of poly{2-4-[bi(4-tetrabutylphenylamino]phenylphenylenenvinylene} was beginwith 4-tetrabutylbenzoic,through acylation、Hoffmann rearrangement、bromization、idionization、Ullmann reaction、bromization、condensepolymerization.

聚{2-[4-二(4-叔丁基苯胺基苯基]苯撑乙烯}是以对叔丁基苯甲酸为原料,经酰氯化、酰胺化、Hoffmann降解、碘化、Ullmann反应、溴化、缩聚反应得到。

The optimum reaction conditions were that the molar ratio of maleic anhydride and p-nitroaniline was 1.2:1, the volume ratio of toluene and DMF was 10:1, the amination temperature was 20~30℃ the cyclization temperature was 145~150℃ and the cyclization time was 6 h over; the amount of p-toluene sulfonic acid was 12% of total reactant mass, the amount of copper sulfate was 0.1~0.5% of total reactant mass, the amount of hydroquinol was 0.1% of total reactant mass.

得到的最佳工艺条件是:n:n为1.2:1,V:V为10:1;胺化反应温度为20~30℃,环化反应温度为140~150℃,环化反应时间为6h以上;对甲基苯磺酸用量为反应物总质量的1%~2%;硫酸铜用量为反应物总质量的0.1%~0.5%;对苯二酚用量为反应物总质量的0.1%。

One group was given Adriamycin 3mg/kg to every rabbit, the other group was given GAMANP 61.49mg/kg to every rabbit, exsanguinated 1ml in each time, then separated serum and saved in low temperature,distill the Adriamycin with chloroform-carbinol, put it under the High Performance Liquid Chromatography to examine the special hromatogram apex height.

用还原胺化法制备半乳糖基人血白蛋白,及用加热固化法制备半乳糖化白蛋白磁性阿霉素纳米粒,家兔12只,随机分为两组,每组6只,均予颈静脉置管抽血,一组按3mg/kg给予阿霉素;一组按61.49mg/kg给予半乳糖化白蛋白磁性阿霉素纳米粒,每次抽血1ml,分离出血清,低温保存,用氯仿-甲醇液提取阿霉素,在高效液相色谱仪下检测色谱峰高。

A key intermediate of 2-benzylphenol was synthesized from benzyl alcohol and phenol by Claisen rearrangement reaction in the presence of activated alumina and the analog of bifemelane with new structure was prepared by etherification,amination and acidification reaction of the intermediate.

以苯甲醇、苯酚为起始原料,在催化剂活性Al2O3存在下,通过克莱森重排反应得到关键中间体2-苄基苯酚,再经过醚化、胺化和酸化反应得到新型结构的二苯美仑类化合物。

In addition, 65% ee was obtained for 1, 3-dimethylprop-2-enyl acetate. Interestingly, the reactivities of these ligands are all very high.

对于1, 3-二苯基烯丙基醋酸酯的烷基化和胺化反应, ee 值最高分别为93%和98%,此外,在对1, 3-二甲基烯丙基醋酸酯的烷基化反应中 ee 值最高也可达65%。

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