烯烃不对称环氧化,asymmetric epoxidation of olefins
1)asymmetric epoxidation of olefins烯烃不对称环氧化
英文短句/例句
1.Synthesis of Bulky Epoxides via Asymmetric Epoxidation of Bulky Olefins大位阻烯烃不对称环氧化合成手性环氧化合物
2.Preparation of Chiral Salen Mn(Ⅲ) Complexes and Their Catalytic Performance for Olefin Asymmetric Epoxidation;手性Salen Mn（Ⅲ）配合物的制备及催化烯烃不对称环氧化性能
3.The Preparation of Manganganese (Ⅲ) Salen Catalysis for Enantioselective Epoxidation of Alkenes;新型手性Salen-Mn（Ⅲ）配合物的制备及其对烯烃不对称环氧化反应的催化性能
4.Asymmetric Epoxidation of Olefins Synergically Catalyzed by Cyclodextrins and Dioxiranes;环糊精协同作用下Dioxiranes对烯烃的不对称环氧化研究
anocatalytic Asymmetric Michael Additions of Nitroolefins and Cycloketones;有机催化的硝基烯烃与环酮的不对称Michael加成
6.Asymmetric Regio- and Stereo-selective Alternating Copolymerization of CO_2 and Epoxides;二氧化碳与环氧烷烃的不对称、区域及立体选择性交替共聚
7.Researches Into Catalytic Asymmetric Epoxidation of Styrene With Metalloporplyins;金属卟啉催化苯乙烯不对称环氧化反应的研究
8.Catalytic Asymmetric Aminohydroxylation of Prochiral Olefins;潜手性烯烃催化不对称氨羟化反应研究
9.Assembly of methyltrioxorhenium on MCM-41 and catalytic performances of the material in epoxidation of olefins甲基三氧化铼在MCM-41中的组装及其对烯烃环氧化反应的催化性能
10.Effects of Di-nitrogen Schiff Base Ligands on Olefin Epoxidation Catalyzed by Methyltrioxorhenium双氮席夫碱配体对甲基三氧化铼催化烯烃环氧化反应的影响
11.Advances in the Research on Metal-Catalyzed Epoxidations of Alkenes with Hydrogen Peroxide;金属催化H_2O_2环氧化烯烃的研究进展
12.Epoxidation of Olefins with para-Toluenesulfonyl Fluoride/Hydrogen Peroxide/Base System对甲苯磺酰氟/双氧水/碱体系和烯烃环氧化反应的研究
13.Studies on Rhodium-Catalyzed Asymmetric Cyclization Reactions of 1, 6-Enynes;铑催化1，6-烯炔不对称环化反应研究
14.Asymmetric Hydrogenation of Unfunctionalized Alkenes Catalyzed by Ir-N,P-Ligand Catalysts铱-氮膦配体催化剂在非官能化烯烃不对称氢化中的研究
15.Studies on Chiral Br(?)nsted Acid Catalyzed Asymmetric Friedel-Crafts Reactions with Nitroolefins手性布朗斯特酸催化硝基烯烃不对称傅克烷基化反应研究
16.Direct Asymmetric Michael Addition of Thioacetones to Nitroalkenes Catalyzed by a Chiral Amine-Thiourea Bifunctional Organocatalyst;手性硫脲催化的苯硫基丙酮对硝基烯烃的不对称Michael加成反应研究
17.Highly Enantioselective Michael Addition of Ketones to Nitrodienes Catalyzed by Chiral Bifunctional Primary Amine Thiourea Catalysts Based on Saccharides Thiourea手性糖基硫脲催化酮对硝基双烯烃的不对称Michael加成反应
18.Study on Immobilization of Catalyst for Epoxidation of Alkenes;烯烃环氧化反应催化剂固载化方法的研究
相关短句/例句
asymmetric epoxidation of styrene苯乙烯不对称环氧化
3)dissymmetric alkene不对称烯烃
1.An addition reaction aboutdissymmetric alkene is discussed through an application of the principle on soft hard acids and bases in the paper, which also points out the nature in thedissymmetric alkene addition reaction, and gives an analysis of several circumstances appeared in this addition reaction.运用软硬酸碱原理讨论不对称烯烃的加成反应，指出了马氏规则在不对称烯烃加成中的本质，并对其加成反应中的几种情况进行分析，从而达到对马氏规则的深入认识和理
4)Asymmetric dihydroxylation of olefins烯烃的不对称双羟基化
5)asymmetric epoxidation不对称环氧化
1.Research development of olefinsasymmetric epoxidation catalyzed bychiral Salen Mn(Ⅲ) complex;手性Salen Mn(Ⅲ)配合物催化烯烃不对称环氧化研究进展
2.Catalyticasymmetric epoxidation of olefin using metalloporphyrin;金属卟啉催化烯烃不对称环氧化反应的研究
3.Synthesis of Heterogeneous Mn(Ⅲ) Salen Catalysts Axially Immobilized onto the Sulfomethylated ZSPP and Their Application for Asymmetric Epoxidation;磺酸甲基化ZSPP轴向配位固载手性Mn（Ⅲ）salen催化剂的合成及催化烯烃的不对称环氧化反应研究
6)Sharpless asymmetric epoxidation reactionSharpless不对称环氧化
1.Kinetic resolution of DL-1-tetradecen-3-ol utilizingSharpless asymmetric epoxidation reaction in the presence of various D-(-)-tartrate ester, diethyl (DET), diisopropyl (DIPT), dicyclohexyl (DCHT), dicyclododecyl tartrate (DCDT) was investigated, thereby affording (S)-1-tetradecen-3-ol with 90% to >99% ee.利用Sharpless不对称环氧化反应动力学拆分二级烯丙醇DL 1 十四烯 3 醇 ,研究了不同手性酒石酸酯催化剂 [酒石酸乙酯 (DET)、酒石酸异丙酯 (DIPT)、酒石酸环己酯 (DCHT)以及酒石酸环十二酯 (DCDT) ]对该反应的催化选择性 ,拆分所得的烯丙醇的光学纯度有一定差异 ,从 90 %到 99%ee 。
延伸阅读
沙尔普列斯不对称环氧化反应分子式：CAS号：性质：由四异丙基钛、手性酒石酸乙酯和叔丁醇过氧化物组成的试剂可将具有α-羟基烯烃结构的化合物环氧化成不对称产物。收率很高，对映体超量90%以上。产物的手性由所用的酒石酸乙酯的手性（D-或L-）决定。当α-碳原子（或羟基碳原子）是手性时，只有其中之一构型在D-或L-酒石酸乙酯存在下被环氧化，另一个不受影响。这一功能为分拆这类外消旋体提供了有效的方法。
