不对称有机催化,asymmetric organocatalysis
1)asymmetric organocatalysis不对称有机催化
1.Asymmetric organocatalysis has become one of the most active and attractive branch in asymmetric catalysis since the beginning of this century.自本世纪初,不对称有机催化已经逐渐成为不对称催化领域中一个新的、最具活力的领域。
2)organocatalytic asymmetric epoxidation有机催化不对称环氧化
1.Chiral ketones derived from carbohydrates are powerful catalysts fororganocatalytic asymmetric epoxidation of unfunctionalized olefins.由糖衍生的手性酮是非官能化烯烃的有机催化不对称环氧化的一类重要催化剂,它与过氧硫酸氢钾(KHSO5)可原位产生对顺式烯烃、反式烯烃、三取代烯烃和末端烯烃均有效的氧化剂———手性二氧杂环丙烷。
3)asymmetric catalysis不对称催化
1.The Development of Novel Metallocene-based Chiral Ligands and Their Application in Asymmetric Catalysis;基于茂金属的新型手性配体的开发及其在不对称催化反应中的应用
2.Herein the synthesis and optical resolution of inherently chiral calixarenes and their applications in enantioselective recognition andasymmetric catalysis are reviewed.本文综述了固有手性杯芳烃的合成、光学拆分及其在手性识别和不对称催化领域的应用。
3.A few spiro ligands have been successfully synthesized and applied inasymmetric catalysis.手性螺环配体的合成及其在不对称催化反应中的应用是不对称合成和催化研究中重要的研究领域之一,一些手性螺环配体被合成出来并成功地应用于不对称催化反应中。
英文短句/例句
1.Study of Asymmetric Catalytic 1, 4-Conjugate Additions;不对称催化1，4-共轭加成反应的研究
2.HIGHLY EFFECTIVE N-PROLYLBENZENESULFONAMIDES FOR THE ASYMMETRIC ALDOL REACTIONS IN WATER;磺酰脯氨酰胺水相不对称催化Aldol反应
3.Synthesizing disstmmetry analysis and research for florfenicol;氟苯尼考不对称催化合成分析及研究
4.Preparation of (R)-1,2-propanediol through asymmetric reduction with bakers yeast酵母不对称催化制备R-1,2-丙二醇
5.Studies on Metalloporphyrins Catalyzed Oxidation Reactions and Asymmetric Catalysis Using Chiral N-Heterocyclic Carbenes;金属卟啉的催化氧化和手性N-杂环卡宾的不对称催化研究
6.Asymmetric Catalyzed Ring Opening of Epoxides to Synthesize β-amino Alcohols;不对称催化环氧化合物开环合成手性β-胺基醇
7.Study on the Asymmetric Reduction of Substituted Acenaphthenequinones Using Plant Cells;植物细胞不对称催化还原苊醌类化合物的研究
8.The Study of Asymmetric Mannich Reaction Catalyzed by Bifunctional Organocatalysts;双功能有机催化剂催化不对称Mannich反应研究
9.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
10.Novel Small Organic Molecules Catalysts for Asymmetric Direct Aldol Reaction;有机小分子催化的不对称直接Aldol反应
11.Study on the Asymmetric Catalysis Morita-Baylis-Hillman Reactions;催化不对称Morita-Baylis-Hillman反应的研究
anocatalytic Asymmetric Michael Additions有机催化不对称Michael加成反应
anocatalytic Asymmetric [4+2] Cycloaddition Reactions有机催化不对称[4+2]环加成反应
14.Theoretical Study on the Enamine-Catalyzed Asymmetric Synthesis Reaction烯胺催化不对称合成反应的理论研究
15.The Types of Asymmetric Mannich Reaction Catalyzed by Small Organic Molecules有机小分子催化的不对称Mannich反应类型
16.Studies on the Catalytic Asymmetric Methylation and Alkynylation of Aldehydes;醛的催化不对称甲基化和炔基化反应研究
17.Studies on Asymmetric Cyanation of Aldehydes Catalyzed by Self-Assembled Catalyst Based on BINOL;基于BINOL的自组装催化剂催化醛的不对称腈化反应研究
18.Studies on the Heterogeneous Asymmetric Hydrogenation of Acetophenone Catalyzed by Supported Rhodium;负载型铑催化剂催化苯乙酮的多相不对称氢化反应的研究
相关短句/例句
organocatalytic asymmetric epoxidation有机催化不对称环氧化
1.Chiral ketones derived from carbohydrates are powerful catalysts fororganocatalytic asymmetric epoxidation of unfunctionalized olefins.由糖衍生的手性酮是非官能化烯烃的有机催化不对称环氧化的一类重要催化剂,它与过氧硫酸氢钾(KHSO5)可原位产生对顺式烯烃、反式烯烃、三取代烯烃和末端烯烃均有效的氧化剂———手性二氧杂环丙烷。
3)asymmetric catalysis不对称催化
1.The Development of Novel Metallocene-based Chiral Ligands and Their Application in Asymmetric Catalysis;基于茂金属的新型手性配体的开发及其在不对称催化反应中的应用
2.Herein the synthesis and optical resolution of inherently chiral calixarenes and their applications in enantioselective recognition andasymmetric catalysis are reviewed.本文综述了固有手性杯芳烃的合成、光学拆分及其在手性识别和不对称催化领域的应用。
3.A few spiro ligands have been successfully synthesized and applied inasymmetric catalysis.手性螺环配体的合成及其在不对称催化反应中的应用是不对称合成和催化研究中重要的研究领域之一,一些手性螺环配体被合成出来并成功地应用于不对称催化反应中。
4)asymmetric catalyst不对称催化
5)catalytic asymmetric hydrogenation不对称催化氢化
1.Recent progress incatalytic asymmetric hydrogenation of β-aminoacrylic acid ester derivatives is described, and various effects in the reactivity and enantioselectivity of hydrogenation reactions are discussed.综述了近年来β-胺基丙烯酸酯衍生物的不对称催化氢化反应的研究工作,并讨论了影响氢化反应活性与对映选择性的各种因素。
2.Induced by a small amount of chiral catalysts, H_2 is added to the unsaturated double bond, and the chiralmolecule is efficiently obtained in thiscatalytic asymmetric hydrogenation.在不对称催化氢化过程中起关键作用的是手性催化剂的结构,包括手性膦配体和中心过渡金属。
6)asymmetric hydrogenation不对称催化氢化
1.In this paper, reduction of imine compounds viaasymmetric hydrogenation and hydrosilylation are introduced from metal center composing catalyst point of view, including the following three aspects, named titanocene-cata-lyzed system, Rh-andIr -catalyzed system, and Ru catalyzed system.本文概述了通过不对称催化氢化和不对称催化氢化硅烷基化还原前手性亚胺类化合物中的C=N 的进展,并且着重从构成催化剂的金属中心的角度来介绍二茂Ti催化体系、Rh和Ir催化体系和Ru催化体系。
延伸阅读
不对称催化分子式：分子量：CAS号：性质：在进行不对称合成时，催化剂的作用是形成不对称媒介。在不对称催化中，反应物与手性催化剂形成两个非对映异构中间络合物，经进一步转化，得到以一个对映体为主的产物。手性催化剂可以是含旋光性配位体如膦等的过渡金属络合物、手性聚合物、生物酶等。例如用（RR′R″P）2Rh（L）Cl（L-配位体）可有效地进行α-酰氨基丙烯酸加氢生成L-α-氨基酸衍生物的反应，光学收率近100%。此方法可用于生产L-3，4-二羟苯丙氨酸（DOPA）。
