Investigation on the Asymmetric Michael Addition Reaction of β, γ-Unsaturated-α-Keto Esters Catalyzed by Chiral Thioureas 手性硫脲催化β,γ-不饱和-α-酮酸酯的不对称迈克尔加成反应研究
Michael reaction is a typical nucleophilic addition reaction, is always an organic chemistry domain research hot spot. 迈克尔反应是一个典型的亲核加成反应,一直是有机化学领域的一个研究热点。
Progress on the catalytic asymmetric Michael addition reaction 不对称Michael加成反应的研究进展
Research on Synthesis and Catalyzed Activity for Michael Reaction of α,β-unsaturated Ketone to a Cinchona Alkaloid Quaternary Ammonium Salt 一种手性金鸡纳季铵盐的合成及催化α,β-不饱和酮的Michael加成反应研究
The Application of Michael Reaction& Aromatic Compound Composed of Aliphatic Compound Compiled and Translated by Michael反应的应用&从脂肪族化合物合成芳香族化合物
The yield of Michael reaction of Ethyl acetoacetate and Crotonaldehyde catalyzed by KF/ r-Al2O3, MgO/ r-Al2O3, MgO/ NaY all can reach to 80% and the latter can reach to 90%. 用微波法制备的KF/γ-Al2O3,MgO/γ-Al2O3和MgO/NaY催化剂催化乙酰乙酸乙酯与巴豆醛Michael加成反应时产率都可达到80%以上,其中后两者的产率达90%。
The Michael Reaction Under Microwave Irradiation 微波辅助的Michael加成反应
The possible mechanism of electrochemical oxidation_ Michael addition reaction is presented. 对电解氧化迈克尔加成反应进行了探讨,提出了可能的反应历程。
The post-modification was accomplished by acetalization, esterification and etherification of hydroxyl group of PVA as well as Michael addition reaction. 后期改性是通过PVA上醇羟基的缩醛化酯化、醚化等化学反应以及Michael加成反应等实现。
The stereochemistry of double asymmetric synthesis, based on Michael reaction example, are discussed. 对双重不对称合成的立体化学,以Michael反应为例进行了讨论。
The application of basic molecular sieves as catalysts in organic synthesis such as isomerization of olefin, dehydrogenation of isopropanol, Knoevenagel condensation, Michael additive reaction, condesation of aldehyde, and transesterification were reviewed. 综述了碱性分子筛催化剂在有机合成中的应用研究进展,尤其是在烯烃异构化反应、异丙醇脱氢反应、Knoevenagel缩合反应、Michael加成反应、醛缩合反应、酯交换反应等方面的应用现状。
Progress of The Application of Asymmetric Michael Reaction on the Organic Synthesis 不对称Michael反应在有机合成中应用的进展
The Michael Reaction of Chalcone and Malononitrile Without Catalyst 无催化剂条件下查尔酮与丙二腈的Michael加成反应
The asymmetric Michael addition reaction of a new type of chiral furanone 一类新型手性呋喃酮的不对称Michael加成反应
Studies on the Michael Reaction under Ultrasound Irradiation 超声辐射在迈克尔反应中的应用研究
This paper has discussed the properties of raising combination capacity between chrome and collagen and its application technology when using LL I glyoxylic acid assistant agent synthesized by Michael additive reaction. 本文对采用Michael加成反应合成出的LL-I醛酸助鞣剂改性皮胶原,以提高铬与胶原的结合量的性能特点及其应用工艺进行了讨论。
Michael Addition Reaction of Thiophenol with Intramolecular Hydrogen Bond in Aqueous Medium 含分子内氢键的苯硫酚在水相中的Michael加成反应
In this paper, the ampholytic chitosan, N-carboxyethyl chitosan ( CEC), with various isoelectric points was synthesized by Michael reaction of acrylic acid with chitosan. 本文中,壳聚糖与丙烯酸通过Michael加成反应制备了具有不同等电点的两性壳聚糖(CEC)。
The Michael reaction is one of the most efficient methods for effecting carbon-carbon bond formation and has wide synthetic application. Michael反应是形成C-C键的最有效的方法之一,在合成上具有广泛地应用。
The Michael addition reaction of vinyl sulfoxide with poly ( vinyl alcohol) in the presence of NaOH as catalyst has been studied in detail. 研究了其与聚乙烯醇在碱催化下的Michael加成反应,制备了不同亚砜含量的聚合物。
Dendritic acrylate oligomer with multiple acrylate double bond ( DAO) was synthesized by Michael addition reaction of ethylene diamine ( EDA) and trimethylolpropane triacrylate ( TMPTA) at 30 ℃ for 6 hours, using methanol as catalyst. 通过乙二胺(EDA)和三羟甲基丙烷三丙烯酸酯(TMPTA),以甲醇为催化剂,在30℃进行6小时Michael加成反应,可制得含多个双键的树枝状丙烯酸酯齐聚物(DAO)。
The key step in the synthesis of amlodipine, cyclization of the 1,4-dihydropyridine by Michael addition reaction and Hantzsch reaction in which different amine protective groups were used, are illustrated in details. 重点介绍了氨氯地平合成过程中的关键步骤:二氢吡啶环的两类成环反应,即Hantzsch反应和Michael加成成环反应。
The double Michael reaction of carvone and methyl methacrylate was described in detail. Its product, an optically active bicyclo [ 2.2.2] octane derivative, is a useful intermediate for the chiral synthesis of natural products. 香芹酮与α,β-不饱和酯顺利进行双重Michael加成反应,所得光学活性的[2.2.2]桥环化合物为一些天然产物的手性合成提供了十分有用的中间体。
Double Michael Reaction of Carvone and Its Utilization in Chiral Synthesis of Natural Products 香芹酮的双重Michael反应和在天然产物手性合成中的应用
Crosslinking by Michael addition reaction; 2基于Michael加成反应的交联;
The Michael addition reaction is one of the most important carbon-carbon bond-forming reactions in organic synthesis. Michael加成反应在有机合成中是一种非常重要的形成碳碳键的反应。
The whole work is mainly composed of following three parts: Part I: we first reported the Michael reaction of indole. 整个工作主要分以下几个部分:第一部分研究了吲哚的Michael加成反应。
Palygorskite was modified with silane couple agent, Amino group and methyl acrylate occurs Michael reaction, after that, ethylenediamine can occur aminolysis reaction with Ester. 表面经硅烷偶联剂(APS)修饰的坡缕石与甲基丙烯酸甲酯发生麦克尔加成反应后,再与乙二胺发生胺解反应,得到聚酰胺-胺键合坡缕石吸附剂。
Michael reaction acceptors ( MRAs) are the biologically active molecules which contain electrophilic moieties, which directly or indirectly involved in the life processes, they are also regulators in many signaling pathways in cells, and play an important role in chemical biology studies. 迈克尔反应受体分子为一类含有亲电共轭体系官能团的生理活性分子,它们直接或间接参与许多生命过程,同时也是细胞中许多信号转导途径的调节者,在化学生物学研究中起着重要作用。