elimination reaction

The elimination reaction was studied by IR , UV-Vis , TGA .

用IR、UV－Vis、TGA分析研究了消除反应。

Quantum Topological Study on the Elimination Reaction of Fluoroethane

氟代乙烷消除反应的量子拓扑研究

Cleavage of Chemical Bonds via β - Elimination Reaction of Organometallic Compounds

通过金属有机化合物的β-消除切断化学键

Direct Dynamics Studies on the Isomerization and H_2 Elimination Reaction of CH_3S

CH3S自由基H迁移异构化及脱H2反应的直接动力学研究

Theoretical Studies on the Elimination Reaction of Alkyl Fluorides-1

烷基氟化物热消除反应的理论研究-1

This paper also suggests that isomerization through the process of addition & elimination reaction of intermediate of carbocation .

并利用紫外吸收光谱研究了异构化反应的机理，提出异构化是经过碳正离子中间体的加成&消除反应过程。

Elimination reaction of1,1-dichloroheptane phase-transfer catalyzed by polyethylene glycol was studied .

研究了非水体系聚乙二醇相转移催化1，1-二氯庚烷消除反应。

It theoretically discusses that temperature affects the competition of the substitution reaction between the elimination reaction in the ethanol dehydration reaction .

从理论上讨论了乙醇脱水反应中，温度对取代和消除竞争的影响。

Chapter two describes a new strategy to form carbon-carbon double bonds via the reductive elimination reaction promoted by samarium diiodide .

第二章研究了通过二碘化钐促进的还原消除反应构建碳碳双键的策略。

Stereochemistry about the Elimination Reaction

消除反应的立体化学

β - elimination reaction showed that the linkage between sugars and amino acid was the form of - O-Ser .

由β-消除反应推断PGF-2中多糖与氨基酸的连接方式以-O-Ser连接。

Syntheses of Bulkily Substituted Zirconocene Dichloride Complexes and Study on Their Intramolecular Elimination Reaction

大取代茂锆配合物合成及分子内消除反应研究

In 1973 , Casey and . Kemp reported benzoxazole based on the catalytic decomposition of the Kemp elimination reaction mechanism .

1973年，Casey和Kemp报道了苯并恶唑基于催化分解的Kemp消除反应机理。

As intermediates , Mannich bases can be converted to compounds difficultly available by elimination reaction , substitution , reduction reaction and cyclization .

所得到的产物Mannich碱还可以作为中间体，通过消除、取代、还原加成、环化等反应制备一般方法难以合成的化合物。

Ketoprofen was synthesized from cyclohexanone via stork enamine reaction , aldol condensation , elimination reaction and aromatization in overall yield of about 43.2 % .

以环己酮为起始原料，经Stork烯胺反应、羟醛缩合、消除、芳构化制得酮基布洛芬，总收率43.2%。

Synthesized the title compound via Michael addition / intramolecularly elimination reaction of 4-hydroxy-butenolides under room temperature using aminoalcohol that was reducted by amino acid as synthetic block .

把氨基酸还原为氨基醇，以其为合成砌块，在室温与4-羟基丁烯内酯经Michael加成／分子内消除反应，合成了标题化合物。

The results indicated that higher concentration of ammonia ( 4N ) at low temperature ( 5 ℃) gives less β - elimination reaction , with better specific viscosity retained and increases the conversion of methoxyl groups to acid amide groups .

结果表明，低温下（5℃）高浓度氨水（4N）脱酯可将影响果胶品质的β-消去反应控制在较小程度，所得产品特性粘度较高，酰胺化程度（DA值）较大；

A preferential 1,2 elimination reaction of syn diethyl ( 2-acetylamino-1-bromo-2 - ( p-methoxy - phenyl ) ethyl ) phosphonate 1 rather than the anticipated nucleophilic substitution reaction under basic conditions is described in the present paper .

报道了在碱性条件下，顺（2-乙酰胺基-1-溴-2-（对-甲氧基苯基）乙基）膦酸二乙酯进行的是-1,2-消除反应而不是所期望的亲核取代反应。

Vinylene carbonate was synthesized by elimination reaction of monochloro-ethylene carbonate in a strong polar solvent ethylene carbonate . Under this condition , the yield of vinylene carbonate was 50 % , and the reaction time was dramatically reduced from 39 h to 1 h.

一氯代碳酸亚乙酯在强极性溶剂碳酸亚乙酯溶剂中进行消除反应，合成了碳酸亚乙烯酯，反应产率为50%，反应时间从39h缩短为1h。

Theoretical Studies of the Mechanism and Energetics for the Reactions of Transition Metal Ions with Alkanes ── H_2 Elimination Mechanism in the Reaction of Ni ~ + ( ~ 2D ) with Propane

过渡金属离子与烷烃反应机理的理论研究&镍离子（~2D）与丙烷反应中氢分子的还原消除机理