脱羧

小细胞肺癌是神经内分泌肿瘤，起源于apud（胺前体摄取脱羧化）细胞。

Small cell lung cancer is neuroendocrine neoplasm and origins from apud ( amine precursor uptake decarboxylation ) cell .

在脱羧反应中，反应温度220℃，反应时间2h。

And the reaction temperature is 220 ℃, the reaction time is 2 h for the reaction of decarboxylation .

脱羧反应以三乙醇胺代替剧毒的N，N－二甲基苯胺，并对其后处理进行了改进。

Triethanolamine was used instead of N , N-dimethylaniline in decarboxylation .

脱羧反应温度为280℃，反应时间0.5h；

Decarboxylation reaction temperature 280 ℃, reaction time 0.5 h ;

半胱胺（Cysteamine，CS）是半胱氨酸的脱羧产物，因具有活性巯基和氨基而具有多种生物功能，也是动物体内的生物活性物质。

Cysteamine had varies biological function because it had activity hydrosulfuryl and amino and it had become a very important biological activity material in vivo .

以丁二酮为主要原料，经缩合、脱羧反应，以62.3%的总收率合成了2,5-二甲基-3（2H）-呋喃酮。

Dimethyl-3 ( 2H ) - Furanone is synthesized using biacetyl as basic material . by means of condensation and decarboxylation with the total yield amounting to 62.3 % .

此外，通过Perkin反应合成了4种芳基取代丙烯酸，研究了其关环和脱羧反应。

In addition , some aryl-substituted propenoic acids were prepared via Perkin reaction . The cyclization and decarboxylation reaction were studied .

本文采用了量子化学中密度泛函B3LYP方法，分别对烯酰辅酶A水合酶的水合反应机理和阿魏酸脱羧酶的非氧化脱羧机理进行了研究，详细地讨论了各自的反应路径。

In the present thesis , the density functional method is employed to study the hydration reaction mechanism of Enoyl-CoA Hydratase and non-oxidative decarboxylation of Ferulic Acid Decarboxylase . The reaction mechanisms are respectively discussed in detail .

本论文以苯乙酮和氯乙酸乙酯为原料，经Darzens缩合、酯基水解、脱羧、氧化反应过程合成了2-苯基丙酸，全合成产率为63.4%，对其工艺过程进行了研究和优化。

In this dissertation , the 2-phenylpropionic acid was synthesized in a total yield of 63.4 % by Darzens condensation , hydrolysis of ester , decarboxylation and oxidation with acetophenone and ethyl chloroacetate as starting materials .

2-酮基-D-葡萄糖酸加热脱羧反应的研究

Study on the Decarboxylation of 2 - Keto - gluconic Acid

泛酰半胱氨酸脱羧酶这个脱羧作用是由谷氨酸脱羧酶催化的。

This decarboxylation is catalysed by the enzyme glutamic acid decarboxylase .

苯甲酸脱羧反应过程的拉曼光谱研究

Research on Raman Spectra of Benzoic Acid during Decarboxylic Process

脱羧腰果壳液改性聚氨酯/亚麻油复合涂料

Polyurethane / linseed oil composite coating modified by cashew nut shell liquid

脱羧酶酶的一种，可水解羧基酸芳香羧酸进行脱羧反应是一个例外。

One exception is the decarboxylation of aromatic carboxylic acids .

氧气部分替代硝酸氧化脱羧合成洋茉莉醛

Synthesis of Piperonal by Oxidative Decarboxylation with Oxygen Partially Substituted Nitric Acid

它最先是由苯甲酸脱羧而得到的。

It was originally obtained by decarboxylation of benzoic acid .

目的：研究喹诺酮类化合物脱羧反应。

Aim : To study the decarboxylation of quinolones .

丙二酸发生羟醛缩合时的二次脱羧反应

The second decarboxylation of malonic acid in aldol condensation

脱羧反应研究进展

Progress in The Study of The Decarboxylation Reaction

铝离子对α-酮戊二酸的催化脱羧作用

Effect of Aluminum Ion on the α - Ketoglutarate Decarboxylation in Acidic Aqueous Solution

胺前体摄取及脱羧系统

Amine precursor uptake and decarboxylation system

因此，我们发展了一种非常高效的铜催化的卤代烃与炔酸的脱羧偶联反应。

Therefore , we developed a highly efficient copper-catalyzed decarboxylation-coupling reaction between halides and alkyne acids .

喹诺酮类化合物3-脱羧反应研究

The Study of 3-decarboxylation of Quinolones

生油岩矿物低温催化脂肪酸脱羧生烃的活性评价

Evaluation of the activities of minerals in source rock for fatty acid catalytic decarboxylation at low temperature

脱羧反应的历程及其应用

Mechanism and Application of Decarboxylation

钯催化β-酮酸酯脱羧制备α，β-不饱和酮的方法介绍

Synthetic Method Introduction of α, β - Unsaturated Ketones from β - Keto Carboxylates by Palladium Catalyst

3氯2硝基苯基乙酸通过脱羧反应得到最终产品3氯2硝基甲苯，产率为72.9%。

Decarboxylation reaction of 3 chloro 2 nitrophenylacetic acid produced 3 chloro 2 nitrotoluene in 72.9 % yield .

结论：为新型喹诺酮类化合物的合成研究和3-脱羧反应的研究提供参考。

Conclusion : the reference to the study of decarboxylation for the synthesis of novel quinolones was offered .

对沼气发酵液中低分子挥发性脂肪酸脱羧所形成的烃类气体组成作了对比；

Such samples were compared compositionally with their corresponding hydrocarbons formed by decarboxylation of volatile low molecular fatty acids .

第一章：在第一章中，系统的总结了各类脱羧反应的发展和在有机合成中的应用。

Chapter 1.In chapter 1 , development and application of decarboxylation reactions in organic synthesis were summarized in detail .