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磺酰基

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The cis novel bisoxazoline ligands L1-L4 have been synthesized through the treatment of new cis dihydroxy diamide with p-toluenesulfonyl chloride in the presence of catalytic quantity of 4--pyridine, and the cis dihydroxy diamide could be achieved from the condensation of the amino alcohols and cis cyclopropane dicarbonyl chloride prepared via oxidation and halogenation from cis-2,2-dimethyl-3-formylcyclopropanecarboxylate with DCC.

我们以蒈醛酸内酯为起始原料,经过氧化反应、酰氯化反应得到顺式环丙烷二酰氯,然后在二环己基碳二亚胺的催化下与相应的氨基醇反应合成了顺式二羟基酰胺,再用对甲苯磺酰氯将羟基活化,最后在二甲氨基吡啶的催化下关环合成顺式双噁唑啉配体L1~L4。

It provides a route tothe compounds which contains three functional groups, two carbon-nitrogentriple bonds and one carbon-carbon double bond. In water, metallic indiumpromotes carbon-sulfur bond coupling reaction of aromatic sulfonyl chloride withsuitable organic halides to afford sulfones. In the last chapter, metallic tin mediated allylation of aldimines with allylbromide was revealed.

第三章,我们研究了在水相介质中金属铟促进的烯丙基溴对1,1-二氰基-2-芳基乙烯的Michael加成反应,生成一个含碳碳双键和二个碳氮叁键的三官能团化合物,另外,金属铟在水介质中还可以促进芳基磺酰氯与卤代烃发生碳硫键的偶联,生成砜。

With regard to the biological activities of paeonol and sodium paeonol sulfonate, we studied their inhibitory effects on phytopathogen and their activities of scavenging O2-and OH.

实验结果显示,丹皮酚磺酸钠的纯度为99.4804%,化学结构为2-甲氧基-4羟基-5-乙酰基苯磺酸钠。

In order to improve their water solubility, 4"-fatty amido-3"-sodium carboxylate azobenzene-4-sodium sulfonates were synthesized. They are azo compounds with two hydrophilic groups of carboxyl and sulfonyl. They decrease the surface tension in dilute solution slowly, and show some surfactivity, but are not surfactants. The probable reason is their relative strong hydrophile. Furthermore, their colors are not fresh and far from our destination.

为了改善其水溶性,改用对氨基苯甲酸为原料合成了4′-脂肪酰氨基-3′-羧酸钠偶氮苯-4-磺酸钠盐,以偶氮结构为主的亲水基团上连有羧酸基和磺酸基两个亲水性较强的基团,但可能由于其亲水性太强,在稀溶液中只能缓慢地降低溶液的表面张力,具有一定的表面活性,但不是表面活性剂,而且颜色不鲜艳,距离我们的目标较远。

METHODS: Mono-6-O-tosyl-β-CD and mono-6-formyl-β-CD were synthesized separately. Silylatedβ-CD was loaded onto polymer chain of PVA by acetalization to produce PVA containingβ-CD linear high polymer.

分别合成单6-对甲基苯磺酰β-环糊精酯和单6-甲酰基β-环糊精,利用缩醛化反应将醛基化β-环糊精固载到聚乙烯醇大分子链上,合成出聚乙烯醇固载β-环糊精的线性环糊精高分子。

After the diazotization ,2-aminophenol-4-(2-'carboxy)sulfanil phenylamine was coupled with acetoacetanilide,2-naphthol,1-phenyl-3-methyl-5-pyrazolone,1-naphthol-4-sulfonic acid,separately to get the different diazotized compounds,then complexed with potassium chromium sulfate or cobaltous chloride to obtain the yellow,orange,red,purple,blue and other colour dyestuffs.

2-氨基苯酚-4-(2'-羧基)磺酰苯胺重氮化,分别与乙酰乙酰苯胺、2—萘酚、1-苯基-3-甲基-5-吡唑啉酮、尼文酸、1-乙酰氨基-7-萘酚等偶合,得到不同的偶氮化合物,然后分别与硫酸铬或氯化钴进行络合反应,得到黄、橙、红、紫、蓝多种颜色染料,并进行了毛织品的染色实验。

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。

The results showed polymeric diaryliodonium salts were effective aryl ion transfer reagents. Thirdly, a new type polymer supported hypervalent iodine reagents poly { [4-Hydroxy iodo] styrene} has been developed. It was an effective oxidative reagent, and could be applied to the one pot synthesis of 4-arylthiazoles.

然后,我们以聚苯乙烯羟基对甲苯磺酰氧基碘苯为原料,成功制备了一类新型聚合物高碘试剂—聚苯乙烯负载的炔基碘盐,并研究了其作为炔基转移试剂的有效性:(1)该试剂可对硫、氮、硒等负离子进行亲电炔基化反应,合成炔基亚砜、0,0-二烃基二硫代磷酸炔基酯、1-苯乙炔基苯并噻唑以及炔基硒醚。

Synthesis of the antiepileptic tiagabine hydrochloride;2. Starting from tetrafuran, 2_(4_Aminosulfonylphenyl)_4H_1,2_thiazine_1_dioxide, an antiepileptic drug with special structure, was obtained via esterification, sulphonation, chloridization, condensation and cyclization.

以四氢呋喃为原料,经酯化、磺化、酰氯化、缩合、环化等步骤,合成了化学名为 4_(四氢_2H_1,2_噻嗪基_2 )苯磺酰胺_S_S_二氧化物的抗癫痫药舒噻嗪,通过IR、1HNMR和元素分析对其结构进行了表

Cyclohexylamine is mainly to be made sodium cyclamate, CBS accelerating agent, cyclohexanol, cyclohexanone, caprolactam, acetate fiber and nylon.

环己胺主要用于合成食品甜味剂环己基氨基磺酸钠和橡胶促进剂N-环己基-2-苯并噻唑次磺酰胺。

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推荐网络例句

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里,举止就文雅一些,因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计,这件高贵的制服是香港本土制造,是我们第一套不配帽子的制服。

Do not 'inflate' your achievements and/or qualifications or skills .

不要 '夸大' 你的业绩或成果,条件或者技能。