羧化反应

测定RUBISCO羧化反应和加氧反应的方法

A Method for Synchronized Measurement of RUBISCO Carboxylation and Oxygenation

CO2可作为亲电试剂与碳亲核试剂进行羧化反应制备有机羧酸或羧酸酯。

CO2 usually serves as electrophile in the carboxylation of nucleophilic organometallic reagents to synthesize carboxylic acid and esters .

Co2（CO）8/吡啶络合催化苯乙烯氢羧化反应的研究

Study on hydrocarboxylation of styrene using co_2 ( co ) _8 / pyridine complex as catalyst

本文采用电解还原CO2法、电解还原O2/CO2法和牺牲阳极法进行芳香化合物的羧化反应。

This article uses the method of electrolytic reduction of CO2 , electrolytic reduction of O2 / CO2and sacrificial anode for carboxylation reactions of aromatic compounds .

过渡金属催化的有机硼、有机锌及有机铜等反应活性较低的亲核试剂与CO2的羧化反应是合成官能团羧酸及羧酸酯有效的方法。

Transition-metal-catalyzed carboxylation of less reactive carbon nucleophiles such as organoboron and organozinc reagents represents an effective method to access carboxylic acid and esters bearing various functional groups .

在牺牲阳极法中以离子液体作为电解液，以Cu作为阴极、A1作为阳极，考察了不同芳香化合物的还原电势大小、羧化反应难易，并从电子结构的角度分析其原因。

In the sacrificial anode method , with ionic liquids as electrolyte , Cu as the anode and Al as cathode , we investigate reduction potential and carboxylation reaction yield of different aromatic compounds , and analyze its reasons from the angle of the electronic structure .

酚类的羧化反应是一个很早就发现的、典型的有机化学反应，称为Kolbe-Schmitt反应。

The phenol 's carboxylation is a typical organic chemical reaction , which was discovered years ago . The equation is the reaction named Kolbe-Schmitt .

研究了以2,5-二氯苯酚为主要原料，经成盐脱水、羧化反应和O-烷基化反应合成麦草畏的工艺。

Dicamba was prepared from 2,5 - dichlorophenol in a three-stage process .

苯酚溶剂羧化反应的动力学研究

Study of kinetics of solvent carboxylation of phenol

邻甲基水杨酸是一种重要的染料和医药中间体，它主要是由邻甲酚经羧化反应而制得。

2,3-Cresotic acid is an important kind of dye and medical intermediate , which is mainly made from o-cresol by carboxylation .

研究了菌体生长和生产阶段的代谢流分布，结果说明该菌葡萄糖的代谢以糖酵解途径为主，在产酸阶段丙酮酸羧化反应的代谢流量较大。

It showed that glucose was mainly metabolized through the EMP pathway . In the production phase , the metabolic flux of the pyruvate carboxylation was large .

酚类的羧化反应早期常采用固相直接羧化法，70年代国外逐步改用溶剂悬浮羧化法。

In early times , the method of direct carboxylation on solid phase was often adopted in the phenol 's carboxylation . In1970 's , solvent suspensic carboxylation was used step by step overseas .

同时，对马铃薯淀粉羧甲基化反应动力学、羧甲基淀粉水溶液性质、离子交联的壳聚糖-羧甲基淀粉水凝胶的pH值敏感性及其载药凝胶的释药行为进行了研究。

Moreover , the kinetics of carboxymethylation on potato starch and solution properties of carboxymethyl starch aqueous solution were studied . In addition , ionic crosslinked chitosan-carboxymethyl starch gel beads were prepared and the drug release behaviors of drug-loaded beads were researched in simulation duodenal fluid .

主要实验内容和结果如下：（1）改变羧甲基化反应条件，制备了取代度不同的多种的N，O-CMC。

The main study of contents and results are as follows : ( 1 ) Change the conditions of reaction , various N , O-CMC products with different degree of substitution are synthesized .

以油酸为起始原料，经酰胺化和羧甲基化反应制得了油酸单乙醇酰胺醚羧酸盐（OAEC）。

Oleic acid monoethanol amide ether carboxylate ( OAEC ) was synthesized by the amidation and carboxylation of oleic acid .

而螯合纤维（CF）是高效吸附材料的主要发展方向之一。首先，本文以聚丙烯腈纤维（PANF）为基体，通过胺化反应和羧甲基化反应制得一系列新型螯合纤维。

As one type of high effective sorbents , the chelating fibers have been now widely developed . Firstly , in this dissertation a series of novel chelating fiber based on polyacrylonitrile fiber was prepared through amination and carboxymethylation .

同时，运用红外光谱分析对KGM羧甲基化反应历程进行了探讨，所得CMK溶胀速率快，水溶胶透光率高。

The reaction mechanism for carboxy methylation of KGM was proposed and checked by infrared spectra . Meanwhile , it also shows that the properties of CMK are rather good in terms of hydrated rate and hydrosol transmittance .

控温下微波反应装置用于壳聚糖羧甲基化反应

Temperature-controlling microwave reaction apparatus and its application to carboxymethylation reaction of chitosan

羧甲基化反应改善膳食纤维性能的研究

Properties improvement of dietary fibre by carboxy methylation modification

结果表明，乙醇是作为羧甲基化反应的合适介质。

Results are showed as follows . Ethanol is the best medium for the reaction of carboxyl methylation .

活化淀粉的羧甲基化反应在淀粉团粒表面及内部均匀进行，产物呈无规则黏连形态，是无定形的聚集状态结构。

In contrast , carboxymethylation controlled on the surface area was mainly completed in the amorphous zone and partly in the crystalline area of inactivated cassava starch .

采用季铵盐作催化剂，使氯乙酸的醇溶液与淀粉钠进行羧甲基化反应，合成了取代度高于相应常规法的羧甲基淀粉钠产品。

The sodium carboxy-methyl starch was synthesized via carboxymethylation reaction between sodium starch and alcohol solution of chloracetic acid by quaternary ammonium salt catalysis process . The degree of substitution of the product is higher than tradition one .

探讨了胺化和二硫代羧化中各种反应条件的影响。

The influences of various reaction conditions of amination and dithiocarboxylatiom were examined .

本文综述了有关植物PEP羧化酶（磷酸烯醇式丙酮酸羧化酶）及其催化PEP（磷酸烯醇式丙酮酸）羧化反应机理的文献资料。

This article reviews the literature about PEP-carboxylase in plants and the mechanism of this PEP Enzyme on carboxylation reaction . PEP-carboxylase is composed of 4 subunits and its molecular weight is about 4 , 10s KD .

以高直链淀粉为原料，用乙醇溶剂法制备了高直链羧甲基淀粉，研究了一氯乙酸添加量、乙醇浓度、pH值大小对高直链淀粉羧甲基化反应的影响。

This experiment took high amylose starch as main material to prepare high amylose carboxyl methyl starch ( HACMS ) by the alcohol medium method , the effect of monochloroacetic acid consumption , alcohol concentration and the pH value on high amylose carboxyl-methylation had been studied .