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- asymmetric oxidative coupling 光学纯联二萘酚
- The recent development of oxidative coupling of methane to ethylene has been reviewed. 本文对甲烷氧化偶联制乙烯的研究进展进行了评述。
- Keywords binaphthyl;asymmetric synthesis;oxidative coupling;review; 联二萘;不对称合成;氧化偶联;综述;
- Producing ethylene through oxidative coupling of methane(OCM)is the main focus in natural gas conversion field in the world since 1980s. 甲烷氧化偶联制乙烯是80年代以来世界上天然气转化研究的突出热点。
- Many tests show that this catalyzer plays more actively roles on inducing H_2O_2 oxidative coupling for treating dye-intermediator wastewater. 探讨利用木质素-二氧化硅凝胶制备高比表面稀土催化剂的方法、性能及其在非均相催化体系中稀土催化剂对双氧水的催化行为与效果。
- Keywords binaphthol;oxidative coupling;asymmetric catalysis;complex catalysis; 关键词联萘酚;氧化偶联;不对称催化;络合催化;
- Based on the experiment, we optimized the conditions of prepare linear carbon by two-steps method of oxidative coupling of copper acetylide, it spend only several hours to get the product, and the quantity of product is stable. 通过大量的实验,我们对炔烃氧化缩聚两步法合成线型碳的条件做了不小的改进,制备过程只需几小时,大大缩短了合成周期,在定量方面,使得合成条件更加明确,合成的产品质量也十分稳定;
- The most efficient way to generate chiral sulfoxides is asymmetric oxidation of prochiral sulfides Catalyzed by chiral metal complexes. 摘要手性金属络合物催化硫醚的不对称氧化是合成手性亚砜最有效的方法。
- Isorhapontigenin (13) and piceatannol (14) were prepared from 3,5-dihydroxybenzoic acid in six steps. Oxidative coupling of 13 and 14 with HRP/H2O2 gave their respective dimeric compounds. 以3;5-二羟基苯甲酸(4)为起始原料;经六步反应制得异丹叶大黄素(13)和白皮杉醇(14);在HRP/H2O2酶催化氧化体系中;13和14分别进行自身的氧化偶联得到各自的二聚产物.
- Many tests show that this catalyzer plays more actively roles on inducing H_2O_2 oxidative coupling for treating dye-intermediator wastewater.The mechanism of rare earth-catalyzer is studied too. 结果表明,负载型稀土对双氧水产生羟基自由基氧化染料中间体废水具有明显的增效行为,并对该行为的机理进行了探讨。
- In this paper research progress of synthesis of 1,1'-binaphthol and its derivatives by raceme resolution and asymmetry oxidative coupling reaction, related to 63 binaphthol compounds is detailed. 联二萘酚作为配体在催化不对称反应方面取得了极大的成功,是有机化学家研究的热点。
- Catalytic asymmetric oxidation of sulfides mediated by a series of novel oxazolines-titanium complexes. Peng, Yungui, Feng, Xiaoming, Cui, Xin etc. Synth. Commun. 2001, 31 (15), 2287. 手性恶唑啉-钛配合物催化硫醚的不对称氧化。彭云贵,冯小明,崔欣等;高等学校化学学报,2001,22(8),1326
- Methane oxidative coupling over lithium-manganese complex oxides with various Li/Mn ratio has been studied. The catalysts have been characterized by XRD, TPR and XPS techniques. 本文研究了具有不同Li/Mn比的锂-锰复氧化物催化剂对甲烷氧化偶联反应的催化性能,并用X射线粉末衍射(XRD)、光电子能谱(XPS)和程序升温还原(TPR)等方法对催化剂进行了表征。
- Keywords binaphthol;oxidative coupling reaction;chiral ligand;chrial catalyst;asymmetric synthesis; 联二萘酚;氧化偶合反应;手性配体;手性催化剂;不对称合成;
- OCM (oxidative couple of methane) catalysts were prepared by mixing method and investigated on a fixed bed micro-reactor. 摘要采用混浆法制备了甲烷氧化偶联(OCM)催化剂,并考察了焙烧温度、焙烧时间、分解温度等对制备结果的影响。
- Catalysts in oxidative coupling of methane 催化剂甲烷氧化偶联反应的性能
- oxidative coupling polymerization 氧化偶联聚合
- oxidative coupling copolymerization 氧化偶联共聚合
- the oxidative coupling of methane 甲烷氧化偶联
- synthesis electrolytic oxidative coupling 电解偶联