乙酰乙酸

目的：研究乙酰乙酸（AcAc）、β-羟丁酸（β-HBA）检测用于糖尿病（DM）尤其早期糖尿病诊断的可能性。

Objective : To determine the possibility of diagnosing diabetes mellitus ( DM ) and especially in its early days by testing acetoacetic acid ( AcAc ) and β - hydroxybutyric acid (β - HBA ) .

三种化合物中任意一种（乙酰乙酸、丙酮和/或β羟基丁酸），人体的血液和尿中大量含有。

Any of three compounds ( acetoacetic acid , acetone , and / or beta-hydroxybutyric acid ) found in excess in blood and urine of persons with metabolic disorders .

乙醇对超临界CO2中乙酰乙酸乙酯异构化平衡的影响

Effect of Ethanol on the Tautomerism of Ethyl Acetoacetate in Supercritical Co_2

SiO2负载磷钨酸（盐）催化剂对乙酰乙酸乙酯与乙二醇缩合反应的催化性能

Catalytic Performance of Phosphotungstic Acid ( Salt ) Supported on SiO_2 for Acetalization of Ethyl Acetoacetate with Glycol

通过与模拟实验进行比较，认为水解产物乙酰乙酸与AA一起充当了振荡反应双底物的角色。

It is considered that the hydrolysis acid and AA are the double substrates in the oscillating reaction through the comparison of simulation test .

研究了乙酰乙酸乙酯（AA）不同程度的水解对B-Z振荡反应的影响。

The influence of the hydrolysis of acetacetic ether ( AA ) on B-Z oscillating reaction is studied .

乙酰乙酸乙酯的水解作用对B-Z振荡反应的影响

Influence of Hydrolysis of Acetacetic Ether on B-Z Oscillating Reaction

目的：介绍和探讨活体荧光示踪染料羧基荧光素乙酰乙酸（CFDASE）在移植免疫研究中的应用及价值。

Objective : To introduce and investigate the application of Carboxy-fluorescein diacetate succinimidyl ( CFDA-SE ) in transplant immune research .

以苯甲醛与乙酰乙酸乙酯的Knoevenagel缩合为模型反应，研究了功能化后的SBA-15介孔分子筛的碱催化性能。

Activity of catalyst was studied by using knoevenagel condensation of benzaldehyde and acetacetic ester as model reaction .

合成并拆分了化合物A，用保险粉还原α-苄基乙酰乙酸乙酯合成了化合物F，同时对化合物B、C、D、E、G、H、I的合成进行了尝试和探讨。

The compound F was synthesized by reduction of the compound Ethyl a - benzyl-acetoacetate using Sodium Dithionite . At the same time , the synthsis of the seven compounds B , C , D , E , G , H and I was carried on and explored .

并且选取乙酰乙酸乙酯为底物，进一步研究了加热预处理温度和时间对面包酵母还原乙酰乙酸乙酯转化率及ee值的影响。

Ethyl acetoacetate was chosen as the model substrate . The effects of heating temperature and heating time during the pretreatment of baker ' yeast cells on the conversion and stereoselectivity of the reduction reaction were investigated .

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 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 % .

考察了影响收率的因素，最佳条件为：乙酰乙酸乙酯：醇：催化剂：带水剂为1mol：1.3mol：5g：100ml，反应在回流温度下进行，反应时间约3h。

The optimum reaction conditions were found as follows : ethyl acetoacetate : alcohol : catalyst : agent to remove water is 1.0mol : 1.3mol : 5g : 100ml ; reaction temperature is reflux temperature ; reation time is about 3h .

以铝、正丁醇、乙酰乙酸乙酯（EtAC）为原料，采用溶胶-凝胶法和N2超临界干燥技术制备出轻质纳米介孔固体Al2O3气凝胶，并对其光致发光特性进行了研究。

Alumina aerogels of light nano mesoporous solid material are prepared from Al , n-butanol and ethyl acetoacetate by the sol-gel rute and the N_2 supercritical drying technique . Also , their photoluminescence properties are studied .

乙酰乙酸乙酯（EAcAc）能够与Al2O3胶体颗粒表面的-Al-OH基团发生螯合作用从而降低Al2O3胶体颗粒的反应活性，并显著缩小固液相之间的界面差异，使体系的Gibbs焓变下降。

It was indicted that ethylacetoacetate ( EAcAc ) can chelated with - Al-OH groups on the surface of the colloidal particles , depressing the activity of the colloidal particles , reducing the interphase distinction between the solid and liquid phase remarkably , lowering the change of Gibbs enthalpy .

考察了面包酵母发酵液直接催化4-氯-乙酰乙酸乙酯（COBE）的不对称还原反应，并进行了手性添加物的筛选和反应条件的优化实验。

The asymmetric reduction of ethyl 4-chloro-3-oxobutanoate ( COBE ) to optically active ethyl 4-chloro-3-hydroxybutanoate ( CHBE ) directly catalyzed by yeast fermentation broth and the influence of chiral additives and reaction conditions on this reaction were studied .

碘催化合成乙酰乙酸乙酯1,3-丙二醇缩醛

Synthesis of Ethyl Acetoacetate Cyclic Propylene-1,3 Ketal by Catalyst Iodine

铈离子与乙酰乙酸乙酯体系引发烯类聚合的研究

Studies on vinyl polymerization initiated with ceric ion and ethyl acetylacetate system

4,4,4-三氟乙酰乙酸乙酯羰基还原酶产生菌的筛选及产酶条件研究

Screening of strain producing carbonyl reductase and optimization of its fermentation conditions

烯胺法合成α－甲基乙酰乙酸乙酯

Synthesis of α - Methyl Ethyl Acetoacetate by Enamine Alkylation

二甲氧基乙酰乙酸甲酯的收率可达53.3%。

The yield of dimethoxy methyl aceto acetate can be reached 55.3 % .

羧基荧光素乙酰乙酸在移植免疫研究中的应用

Application of vital dye CFDA-SE in transplant immune research

乙酰乙酸乙酯的烯醇化是反应进行的关键步骤。

The enolization of ethyl acetoacetate was the key step of the reaction .

介绍4-氯乙酰乙酸乙酯的合成及应用。

Synthesis and application of4-chloracetyl acetidin were introduced .

面包酵母非水相催化乙酰乙酸乙酯的不对称还原反应

A Study on Asymmetry Reduction of Ethyl Acetoacetate of Bread Yeast in Organic Solvent

脱氢醋酸的工业生产方法有双乙烯酮法和乙酰乙酸乙酯法。

Optimization and retrofit of acrylic acid extracting tower in ethyl acrylate process flow ;

2-（3-硝基亚苄基）乙酰乙酸乙酯的合成

Synthesis of 2 - ( 3-Nitrobenzylidene ) acetoacetate

乙酰乙酸乙酯合成新方法

A New Synthesis Method of Ethyl Acetoacetate

乙酰乙酸酯法合成假性紫罗兰酮同分异构体温度反应行为研究

Study on reaction temperature behavior for the synthesis of pseudoionone isomers by methyl acetoacetate method

α-甲基乙酰乙酸乙酯的合成

Synthesis of α - Methyl Acetoacetate Ethy