亚磺酰
- 与 亚磺酰 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In addition to the lithium salts, we have also synthesized and studied the other types of ionic liquids, in which N-methyl-N-propyl piperidinium bis imide (PP13-TFSI) shows a wider electrochemical window -0.3 ~ 5.6 V vs.
在实践中对项目研究作了部分调整,另外也合成和研究了其它类型的离子液体,其中N-甲基-N-丙基哌啶三氟甲基磺酰亚胺(PP13-TFSI)表现出更宽的电化学稳定窗口-0.3 ~ 5.6 V vs。
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The synthesis process comprises using chiral phosphorus acid as catalysis, synthesizing 2-(4, 7-indoline) compound in high efficiency and highly enantioselective by using sulfur imide and 4, 7-indoline compound, and products can be used to prepare several 2-dimethylamino indoline compounds with high optical activity through oxidation reaction.
以手性磷酸作为催化剂,由磺酰亚胺和4,7-二氢吲哚化合物可以高效率高对映选择性的合成2-甲氨基(4,7-二氢吲哚)化合物;产物可以经过氧化反应用于制备多种高光学活性的2-甲氨基吲哚化合化合物。
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Jie Sheng chemical into the liquid is mainly sulfur-burning sulfuric acid, potassium sulfate, chlorosulfonic acid, liquid sulfur dioxide, sulfur trioxide, nitrosyl sulfuric acid, as well as cogeneration for steam systems, a variety of products amounted to more than 20 years of logistics million tons, capacity 16 million KWH, steam 140,000 tons; a lot of sulfur in addition to the downstream products in the study of chemical development.
捷盛化学目前主要建成液体硫磺制酸、硫酸钾、氯磺酸、液体二氧化硫,三氧化硫、硫酸亚硝酰项目以及余热发电、供汽系统,各类产品年物流量达20余万吨、发电量1600万KWH、蒸汽14万吨;另外还有诸多硫化工下游产品在研究开发之中。
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Monochloroethylene carbonate is prepared by chlorination of ethylene carbonate with sulfuryl chioride ,a solution of monochloroethylene carbonate in ethylene carbonate is reacted with triethylamine to give vinylene carbonate.A parameter design method was applied to select the optimum synthesis conditions.63.3% and 78% yields superior to the conventional for monochloroethylene carbonate and vinylene carbonate were obtained respectively,and the process was also simplified .
以碳酸乙烯酯为原料,用磺酰氯作为氯化剂生成一氯代碳酸乙烯酯,三乙胺为脱卤化剂在碳酸乙烯酯溶剂中合成碳酸亚乙烯酯,对一氯代碳酸乙烯酯和碳酸亚乙烯酯制备的工艺参数进行优化,收率分别达到63.3%和78%,均超过了传统方法,且简化了工艺,缩短了反应时间,易于工业化生产。
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On the basis of this, the additionreactions of N-sulfonylimines with α-bromoketone s and α-bromoesters in the presentof zinc powder were carried out.
在此基础上又研究了α-溴代酮和α-溴代酯在金属锌的作用下与磺酰亚胺的加成反应。
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The process is suitable to indoles compound and sulfur imides compound with different models, has mild reaction condition and simple operation.
该方法可适用于多种不同类型的吲哚类化合物和磺酰亚胺类化合物,反应条件温和,操作简便。
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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。
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By the nucleophilic substitution reaction of 6-O-tosyl-l,2:3,4-di-O- isopropylidene-a-Z-galactopyranose (3) with some substituted 1, 2,4- triazole-3-thiols (4a ~ 4c) or 1, 2, 3,4-tetrazole-5-thiols (5a~5f), nine 6-S-(substituted triazolyl or tetrazolyl)-l,2 : 3,4-di-O- isopropylidene-a-D-galactopyranoses (6a ~ 6i) were prepared in high yields. Their structures and configurations were analyzed and established by elemental analysis, IR, NMR, MS spectra.
报道了6-O-对甲苯磺酰基-1,2:3,4-二-O-异亚丙基-α-D吡喃型半乳糖(3)与取代的3-巯基三唑或5-巯基四唑4a-4c或5a-5f的亲核取代反应,合成了9个6-S--1,2:3,4-二-O-异亚丙基-α- D吡喃型半乳糖(6a-6i),通过元素分析,IR,NMR和MS确证了上述化合物的结构,并经分子模型计算进行了其构象分析。
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According to the results of the examination, the stronger the electron-withdrawing protective group of imines, the better the cis-selectivity of the reaction, 68% yield, trans:cis is 99:1 diastereoselectivity could be leaded by Ts-imines (4-methyl-N-methylene-benzenesulfonaides) with a substituent [2,4-(CH3O)2C6H3], Substrate scope investigation revealed that a wide variety of ketenes and imines could react smoothly to afford corresponding,β-lactams.
实验结果表明,亚胺的保护基团吸电子能力越强,越有利于顺式产物的生成。对甲苯磺酰基保护的取代基为2,4-二甲氧苯基的亚胺参与的该反应可得到68%的产率,反式:顺式=99:1的非对映选择性。底物拓展过程中发现Staudinger反应适用于多种不同的亚胺与烯酮。
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The recent application of thionly chloride in organic synthesis is reviewed, mainly focusing on the preparation of chlorinated compounds, alkenes, esters, amides, nitriles, cyclic sulfites and sulfinyl chlorides.
综述了近年来氯化亚砜在有机合成中的应用进展,主要涉及氯代化合物、烃、及酰胺、、式亚硫酸酯、磺酰氯等化合物的制备。
- 推荐网络例句
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Plunder melds and run with this jewel!
掠夺melds和运行与此宝石!
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My dream is to be a crazy growing tree and extend at the edge between the city and the forest.
此刻,也许正是在通往天国的路上,我体验着这白色的晕旋。
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When you click Save, you save the file to the host′s hard disk or server, not to your own machine.
单击"保存"会将文件保存到主持人的硬盘或服务器上,而不是您自己的计算机上。