苯乙酸

气相色谱法分析合成苯乙酸用CO气体

Analysis of CO gas used for the synthesis of phenylacetic acid by gas chromatography

利用苯乙酸与捕捉剂反应生成的沉淀，确定固定化青霉素G酰化酶的催化活性部位。

The active site of immobilized penicillin G acylase can be determined according to the precipitant produced in the reaction between phenylacetic acid and capture reagent .

吡啶-2-羧酸钴的CO加合性能与催化羰化合成苯乙酸研究

Carbonylation of benzyl chloride to phenylacetic acid catalyzed by cobalt pyridine - 2 - carboxylate

苯乙酸对大肠癌细胞C-myc基因表达的影响

Effects of Phenylacetate on C-myc oncogene expression in colorectal carcinoma

苯乙酸对胶质瘤C6细胞集落形成的作用

Effect of phenylacetate on the colony formation of glioma C6 cell line

苯乙酸对大鼠胶质瘤C6细胞凋亡的影响

Effect of phenylacetate on apoptosis in rat C6 glioma cells in vivo

苯乙酸对C6胶质瘤细胞凋亡的影响及机制研究

Effect of Phenylacetate on Apoptosis in Rat C6 Glioma Cell Line and Its Mechanisms

探讨苯乙酸（phenylaceticacid，PAA）对大鼠原代培养的皮质神经元的毒性作用及其作用机制。

The neurotoxic effect of phenylacetic acid ( PAA ) on primary cultured cortical neurons and its underlying mechanism were investigated .

通过确定苯乙酸、青霉素G在离子交换柱中的动力学行为和固定化酶的动力学参数，利用已建立的数学模型，可很好地对青霉素G水解生产6-氨基青霉烷酸过程进行计算机模拟。

Based on Phenylacetic acid and Penicillin G dynamics in ion exchange process and immobilized enzyme kinetics , the hydrolysis of Penicillin G was simulated well by computer from the mathematical model developed .

苯乙酸对胶质瘤U-251细胞中RNA编辑酶表达的影响

The effect of phenylacetate on the expression of RNA editing deaminase in glioma Cell line U-251

结论苯乙酸可在亚细胞水平使C6细胞分化程度提高，恶性度降低。

Conclusion PA could raise the differentiation degree of C6 cell at the subcellular level and decrease the malignant degree .

HPLC测定结果显示，苯乙酸，肉桂酸，4-羟基苯甲酸及邻苯二甲酸等4种酚酸在土壤中的含量随连作时间延长而增加。

HPLC analysis showed that phenylacetic acid , cinnamic acid , 4-hydroxybenzoic acid and the phthalic acid were accumulated to the inhibitory concentrations in the soils of continuous cropping cowpea .

加入苯乙酸、亚硒酸钠使上述指标变化不大。结论DU可引起细胞活力降低，损伤细胞膜、线粒体、溶酶体等，使细胞抗氧化能力下降；

Conclusion DU can induce reduced cellular vitality , injured cell membrane , mitochondria , and lysosome , resulting in declined antioxidation capability of cells .

大脑皮层5羟色胺（5HT）的含量明显降低，3,4二羟基苯乙酸（DOPAC）/多巴胺（DA）均明显升高（P0.01）。

The contents of 5-HT reduced , and the rate of DOPAC / DA increased significantly ( P0.01 ) .

绞股蓝皂甙SH－6（21mg／kg）提高大鼠脑内纹状体区二羟苯乙酸的含量（P＜0.05）。

Gynosaponin SH_6 ( 10.5mg / kg ) ip only increased the homovanillic acid ( P < 0.05 ) in the limbic area of rat brain .

耐盐降解苯乙酸类菌株A1（Arthrobactersp.A1）的分离和特性研究

Isolation and characterization of a salt-tolerant strain A1 ( Arthrobacter sp . A1 ) for the degradation of phenyl acetic acid

用硼氢化钠作为还原剂，在有机溶剂中还原α羟甲基苯乙酸甲酯，得到2苯基1,3丙二醇（PPD），产率大于75%。

2-Phenyl-1 , 3-propanediol was prepared from the reduction of methyl tropate with sodium borohydride in organic solvent in more than 75 % yield .

目前PGA主要催化水解青霉素G生成6-氨基青霉烷酸（6-aminopenicillanicacid，6-APA）及苯乙酸，6-APA是工业上半合成β-内酰胺类抗生素的关键中间体[13]。

PGA catalyze the hydrolysis of benzylpenicillin to phenylacetic acid and 6-aminopenicillanic acid-one of the key intermediates for the production of semisynthetic β - lactam antibiotics .

目的观察苯乙酸（PA）对胶质瘤C6细胞凋亡和细胞内游离Ca2+浓度的影响，探讨其作用机制。

Objective To observe the effect of phenylacetate ( PA ) on apoptosis and the level of intracellular free calcium in rat C6 glioma cells and to study its mechanism .

目的观察苯乙酸诱导分化胶质瘤细胞C6过程中，对细胞形态的影响。

Objective In order to observe the effects of phenylace te ( PA ) on cells morphogeny during the process of inducing differentiation of glioma cell line C6 .

Langmuir吸附等温线、相对吸附容量以及等量吸附焓变表明，苯乙酸在AH树脂上的吸附是物理吸附和化学吸附共同作用的结果。

The Langmuir adsorption isotherm , relative adsorption capacity and isosteric adsorption enthalpy indicate , the adsorption for phenylacetic acid on AH resin is the coefficient result with physical adsorption and chemical adsorption .

测定了苯乙酸（PAA）在纯水和水乙醇、水丙醇混合溶剂中的溶解度以及6-氨基青霉烷酸（6-APA）在PAA溶剂中的萃取动力学。

The solubility of phenoxyacetic acid ( PAA ) in water , water-ethanol , water-acetone and the extraction kinetics of 6-aminopenicillanic acid ( 6-APA ) in PAA was measured .

以茴香硫醚（Ⅰ）为原料，经Friedel-Crafts酰基化、Willgerodt-Kindler反应合成了COX-2抑制剂的中间体4-甲硫基苯乙酸（Ⅳ）。

As an intermediate for COX-2 inhibiters , 4 - ( methylthio ) benzeneacetic acid (ⅳ) was prepared via Friedel-Crafts and Willgerodt-Kindler reaction from thioanisole (ⅰ) .

考察了青霉素G，丙酮和苯乙酸（PAA）杂质在6氨基青霉烷酸（6APA）结晶过程中对晶习的影响及其在乙醇溶液中的生长过程。

The effects of impurity of penicillin G , acetone and phenoxyacetic acid ( PAA ) on habit of 6-aminopenicillanic acid ( 6-APA ) in the process of its crystallization and the growth of 6-aminopenicillanic acid in the solution of ethanol are studied .

应用时间分辨的傅立叶变换ATR红外光谱技术跟踪乙二醇在以苯乙酸酯化酚醛树脂固化的邻甲酚环氧树脂体系（EPP）的扩散行为。

A novel experimental approach , based on time-resolved two-dimensional ( 2D ) ATR-FTIR spectroscopy has been used to study glycol diffusion behavior of EPP , which is novolac epoxy resins cured with novolac phenylacetate resin .

利用氯化血红素（hemin）作为过氧化酶的替代物，催化H2O2与对羟基苯乙酸（HPA）的偶合荧光反应，建立了间接荧光法测定谷氨酸的方法。

Then , using hemin as catalyst , H2O2 produced by photochemical reaction oxidase p-hydroxyphenyl acetic acid ( HPA ) and causes fluorescence reaction coupled of it . Based on this result , a new fluorimetric method was developed for indirect determination of glutaminic acid .

在0℃下，以银为工作电极，镁棒为对电极，在5mA·cm-2的电流密度下恒电流电解，当通过2.5F·mol-1的电量后，苯乙酸的产率可达74%。

At the temperature of 0 ℃ and the current density of 5 mA · cm-2 , the yield of phenyl acetic acid reached 74 % , using silver as work electrode , magnesium as counter electrode .

采用β-萘酚为基本原料，经Reimer-Tiemann反应合成了2-羟基-1-萘甲醛，在催化剂存在下进一步与苯乙酸进行缩合反应合成香豆素类荧光增白剂3-苯基-5,6-苯并α-吡喃酮。

With β - naphthol as starting material , 2-hydroxy-1-naphthalene carbonal was first synthesized through Reimer-Tiemann reaction . Then in the presence of catalyst , fluorescent whitening agent 3-phenyl-5,6-benzo - α - pyrone was synthesized with the resultant product and phenylacetic acid through condensation .

双重负载钯催化剂高选择性地催化氯苄羰基化生成苯乙酸甲酯

Carbonylation of Benzyl Chloride to Methyl Phenylacetate over Dually Supported Palladium

盐酸4-（β-氨乙基）苯乙酸的合成

Synthesis of 4 - (β - aminoethyl ) benzeneacetic acid hydrochloride