消除反应

用IR、UV－Vis、TGA分析研究了消除反应。

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

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。

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 .

Au/γ-Al2O3催化剂上高浓度甲醇催化消除反应的研究

The Study of Catalytic Elimination of High Concentration Methanol on Supported Au / γ - Al_2O_3 Catalysts

稀土碱土过渡金属类钙钛石（A2BO4）复合氧化物催化剂的固态物化性质及对NOx消除反应的催化性能

Physical-Chemical Properties and Catalytic Performances for NO_x Removal of Perovskite-Like Mixed Metal Oxides with A_2BO_4 Structures Composed of Rare Earth-Alkaline Earth-Transition Metal Elements

结果表明：GAP在约170℃开始发生叠氮基消除反应，250℃左右结束，GAP骨架的解聚反应延后了40℃左右；

The analysis by FTIR and TG-DTG shows that the azide group elimination reactions of GAP begin at about 170 ℃ and finish around 250 ℃, and the depolymerization of GAP delays by 40 ℃;

RC（O）OONO2热消除反应的理论研究

A theoretical study on the thermal elimination of rc ( o ) oono_2

作者在此基础上提出反应机理，认为Ru在反应过程中形成醇化物，再经过b消除反应生成相应的醛或酮。

Based on the above research , reaction mechanism was proposed that Ru-alcoholate species were formed in reaction , which underwent the b elimination to produce the corresponding aldehydes and ketones .

第四级铵氢氧化物Hofmann消除反应的构象分析及反应机理

The conformational analysis and reaction mechanism for Hofmann elimination of quaternary ammonium hydroxides

C-C键是由类醚物吸附态通过水的消除反应形成的。

The formation of carbon-carbon bond is attributed to the surface reaction of adsorbed ether-like species with the elimination of water .

HCl的释放是由于聚合物主链上的消除反应而形成的，颜色的改变是因为在聚合物主链上形成5～30个共轭双键而导致的结果。

The evolution of HCl takes place by elimination from the polymer backbone ; discoloration results from the formation of conjugated polyene sequences of 5 to 30 double bonds .

DBU在喹诺酮类药物合成中催化消除反应研究

Study on catalytic deacidification of DBU in Quinolones synthesis

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。

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

这个反应称为Hofman消除反应，它很像卤代烷的脱卤化氢反应。

This reaction , called the Hofman elimination , is quite analogous to the dehydrohalogenation of an alkyl halide .

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。

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

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。

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.

用4－甲氧基苯酚经醚化、氯甲基化、消除反应合成出不熔但可溶的聚（2－甲氧基－5－辛氧基）对亚苯基亚乙烯（PMOOOPV）。

Poly ( 2 methoxy 5 octyloxy ) p phenylenevinylene ( PMOOOPV ) is synthesized by the etherification , chloromethylation and dehydrochlorination of 4 methoxyphenol .

氯代酸气相热消除反应的理论研究

Theoretical Studies on the Mechanism of Chloro-carboxylic Acids Gas-phase Elimination Process

2-溴乙酸气相热消除反应的机理探讨

Exploration of the Mechanism of 2-bromoacetic Acid Gas phase Elimination Process

了解加成与消除反应类型及反应机理。

Grasp the factors that affect the addition and elimination reactions .

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。

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

丙酮酸热消除反应机理的量子化学研究

A quantum chemical study on the reaction of elimination of pyruvic acid

将联合加成-消除反应的结果称为缩合反应。

The combined addition-elimination sequence is referred to as a condensation reaction .

硫酸盐代替浓硫酸催化醇消除反应研究

On Catalyzing Alcohol Eliminative Reation Using Sulfate Instead of Concentrated Sulfuric Acid

第二章研究了二碘化钐促进的还原消除反应；

The second one describes the reductive elimination reactions promoted by samarium reagents .

氟代乙烷消除反应的量子拓扑研究

Quantum Topological Study on the Elimination Reaction of Fluoroethane

对高浓度甲醇蒸汽进行催化消除反应。

Catalytic elimination of methanol vapor was carried out .

烷基氟化物热消除反应的理论研究-1

Theoretical Studies on the Elimination Reaction of Alkyl Fluorides-1

大取代茂锆配合物合成及分子内消除反应研究

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

重点强调取代、消除反应和含羰基基团的化学性质。

Emphasis is on substitution and elimination reactions and chemistry of the carbonyl group .

钯催化反应中的β-氢消除反应

β - Hydride Elimination in Palladium-Catalyzed Reactions