英语人>网络例句>胺磺酰基 相关的搜索结果
网络例句

胺磺酰基

与 胺磺酰基 相关的网络例句 [注:此内容来源于网络,仅供参考]

Based on the possible degradation products, Microbial degradation pathways of metsulfuron-methyl is concluded as follows: after the cleavage of the sulfonylurea bridge, 2-amino-4-methoxy-6-methyl-triazine is demethylated and the annularity reaction of sulphanilamide occurs.

甲磺隆主要降解途径首先是脲桥的断裂,然后6-甲氧基-4-甲基-2-氨基-三氮嗪进一步脱甲基,而磺酰胺类物质将进一步脱氨基环化。

The results indicate that the carbon and the oxygen in the —COOH group,and the nitron in —2—NH group come into formation of different large π bonds with the benzene rings,and there is a dihedral angle of 63.2° because of place blocking and conjugate effect.

结果显示,该分子羧基的碳氧原子、磺酰胺基的氮原子与苯环形成不同的离域大π键,空间位阻效应和共轭效应使两个苯环不在同一平面,二面角为63.2°。

According to the stereochemistry of products, we proposed that the probably proceeding mechanism and analyzed the stereo controlling effection of N-tert-butanesulfinamide in coupling reaction.

我们对反应进行了深入研究,并根据产物的构型,推测了可能的反应机理和N-叔丁基亚磺酰胺辅基在反应中的立体控制。

N-(1-Naphthyl)ethylenediamine dihydrochloride solution was injected into the mixed flow of the water sample and sulfanilamide solution. Red dye formed by the reactions was spectrophotometrically detected at lλmax 540 nm.

将N-(1-萘基)乙二胺二盐酸盐溶液注入到水样和对氨基苯磺酰胺溶液的混合流,在lλmax 540nm处对反应形成的红色染料进行分光光度检测。

N-1-Naphthylethylenediamine dihydrochloride solution was injected into the mixed flow of the water sample and sulfanilamide solution. Red dye formed by the reactions was spectrophotometrically detected at lλmax 540 nm.

将N-1-萘基乙二胺二盐酸盐溶液注入到水样和对氨基苯磺酰胺溶液的混合流,在lλmax 540nm处对反应形成的红色染料进行分光光度检测。

Studing on samarium diiodide promoted asymmetric intramolecular reducing coupling reactions, we have made the resolution of the racemic biaryl dials by using enantiomeric N-tert-butanesulfinamine as the resolving reagent successfully and thus obtained a series of axially chiral biaryl dials with high enantiomeric excess.

中文摘要在二碘化钐促进的分子内不对称还原偶联反应中,我们不仅对联芳基二醛底物的合成路线进行了优化,还发现N-叔丁基亚磺酰胺辅基可以作为手性试剂,成功地对联芳基骨架二醛化合物进行拆分,得到高对映体过量的轴手性二醛类化合物。

This dissertation is mainly focused on the reactivity of methylenecyclopropanes and comprises six parts. 1 The reactions of methylenecyclopropanes with phenylsulfenyl chloride, phenylselenyl chloride and diphenyl diselenide; 2 The coupling reactions of the ring-opening products derivated from methylenecyclopropanes; 3 The palladium-catalyzed ring-enlargement of mono-aryl group substituted methylenecyclopropanes to cyclobutenes. 4 The gold-catalyzed domino ring-opening and ring-closing hydroamination of methylenecyclopropanes with sulfonamides; 5 The Lewis acid-catalyzed reactions of mono-aryl group substituted methylenecyclopropanes with diethyl ketomalonate in the presence of water; 6 The iodobenzene diacetate mediated novel 1,3-dipolar cycloaddition of methylenecyclopropanes, vinylidenecyclopropanes, and methylenecyclobutane with phthalhydrazine.

本论文主要研究了亚甲基环丙烷类化合物的一些化学反应性能,共由以下六部分组成:1、亚甲基环丙烷类化合物与苯硫氯、苯硒氯及二苯基二硒的反应;2、亚甲基环丙烷类化合物开环产物的偶联反应;3、单芳基取代的亚甲基环丙烷类化合物在钯催化剂作用下的扩环反应;4、金化合物催化磺酰胺对亚甲基环丙烷类化合物的串联开环关环氨氢化反应;5、路易斯酸催化亚甲基环丙烷类化合物与丙酮二羧酸二乙酯在有水存在下的反应;6、醋酸碘苯促进的亚甲基环丙烷类化合物、亚乙烯基环丙烷类化合物及亚甲基环丁烷类化合物与邻苯二甲酰肼的新型1,3-偶极环加成反应。

Using 2-bromo-ethanesulfonic acid sodium salt ,α,ω- binary primary amine and dodecanoic acid as the main raw materials, drawing support from two-step synthesis of experiments—Alkylated reaction and Schotten-Baumann acylation, A series of LAS(12-s-12) gemini surfactants were synthesized.

并以2-溴乙基磺酸钠、α,ω-二元伯胺、月桂酸等为主要原料,借助胺基的烷基化和Schotten-Baumann酰基化反应制备了α,ω-烷撑-双钠盐LAS(12-s-12)表面活性剂,联结基团为亚甲基—(CH2)s—(S=2,4,6,8,12),取得以下进展

We screened a set of Lewis base organocatalysts derived from chiral pipecolinic acid and tert-butanesulfinamide for the reduction of-N-Cbz-1- phenylpropenamine, including newly designed ones and some of those previously developed in our lab. However, only moderate stereoselectivities, albeit high yields were obtained.

在本课题组前期研究的基础上,我们筛选并设计了一系列以手性哌啶酸和叔丁基亚磺酰胺为母体的有机小分子路易斯碱催化剂,它们能催化三氯氢硅对-N-苄氧羰基-1-苯基丙烯胺的不对称还原,获得很高的收率和中等的对映选择性,并且具有很好的底物普适性。

The characterization results of FTIR indicate that the prepared terpolymer contains functional anionic groups such as carboxyl, hydroxyl, sulphonate and amido goups.

红外光谱表征结果表明合成的三元共聚物减水剂中含有羧基、羟基、磺酸基和酰胺基等官能团。

第4/8页 首页 < 1 2 3 4 5 6 7 8 > 尾页
推荐网络例句

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。

The shamrock is the symbol of Ireland and of St.

三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。