The objective is to cyclize and condense with different aromatic aldehydes to synthesize a series of aurones.
目的是与不同的芳香醛进行环合和缩合，以合成一系列的金酮。
The knoevenagel condensation of aromatic aldehydes with ethyl cyanoacetate proceeds smoothly in the presence of potassium fluoride giving products in high yield.
在氟化钾催化下，芳香醛与氰乙酸乙酯发生克脑文格尔缩合反应，得到高产率的缩合产物。
Aldehydes possess anesthetic properties.
醛类具有麻醉的作用。
The aldehydes almost exist in everywhere and harm to people.
醛类化合物广泛存在于环境中，危害人体健康。
The formation mechanism of the aldehydes was also discussed.
同时探讨了这些醛类化合物的形成机理。
Esters, alcohols, aldehydes, and lactones were the major constituents.
主要成分为酯类、醇类、醛类、内酯类化合物。
Both the alcohols and aldehydes are secondary products of the oxidation.
醇和醛两者为氧化的次级产物。
The double bond is attacked by the oxygen, forming aldehydes and carbonyls.
双结合受氧的攻击形成乙醛和碳酸基。
REDOX Relationships amongst Alcohols, Aldehydes and Ketones and Carboxylic acids.
醇，醛与酮和羧酸之间的氧化还原关系。
The reaction of sulfate with aldehydes and ketones has been known for many years.
大家知道硫酸盐能与醛类和酮类反应已有许多年了。
As open-chain hydroxy aldehydes and hydroxyl ketenes, the monosaccharides are very reactive.
以开链的羟基醛和羟基酮形式存在的单糖非常活泼。
A series of imine esters were synthesised by the addition of amino acid esters to aldehydes.
本论文使用不同类型芳香醛与氨基酸酯的加成反应合成了一系列氨基酸酯亚胺类化合物。
In the Presence of acetic acid, P-anisidine reacts with aldehydes Producing a yellowish color.
在乙酸存在下，p -茴香胺与醛类反应产生黄色。
Process for the solid phase synthesis of aldehydes, ketones, oximes, amines and hydroxamic acid compounds.
醛，酮，肟，胺和异羟肟酸化合物的固相合成方法。
This method applies for measuring aldehydes in hydrophobic adhesives with relatively low aldehydes content.
本方法适用于分析醛类含量较低的疏水性胶粘剂中的醛类物质。
Progress in pinacol coupling of aldehydes and ketones using low valent titanium is reviewed in recent years.
文章综述近几年来由低价钛还原偶联醛酮合成片呐醇的进展。
Condensation of aldehydes or ketones with alcohols is one of the most common methods for protecting carbonyls.
醛、酮与醇的缩合反应是羰基保护的通用方法。
The product was mainly consisted of acids, alcohols, aldehydes, ketones, esters, water and small-molecule gases.
白松的热裂解产物主要有酸类、醇类、醛类、酮类、酯类、水分和小分子气体等。
The breakdown of amino acids which occurs as the flavanols are oxidized gives rise to aldehydes in black tea aroma.
黄烷醇氧化时发生的氨基酸降解，产生了红茶香气中的醛类物质。
A method was developed for the analysis of volatile aldehydes in mainstream smoke of cigarettes by gas chromatography.
本文研究了采用毛细管气相色谱仪分析卷烟烟气中醛类化合物的方法。
Vitamin B12 is destroyed by oxidizing and reducing agents, by aldehydes, ascorbic acid, ferrous salts, vanillin and acacia.
维生素b12可被氧化剂和还原剂、醛类抗坏血酸、二价铁盐、香草醛和阿拉伯树胶破坏。
Mannich reactions with aromatic, aromatic ketones and aromatic aldehydes and their applications were studied systematically.
系统研究了脂肪甲酮与芳香醛和芳香胺参与的曼尼奇反应。
The straight-chain compounds were relatively more abundant than the aromatic aldehydes and the branch-chain aldehydes in the oil smoke.
油烟烟气中直链的羰基化合物的浓度大于支链及环状的羰基化合物的浓度；
Protein modifications resulting from reactive aldehydes are thought to be involved in the pathogenesis of various degenerative diseases.
由活性醛基导致的蛋白质修饰被认为与多种退行性疾病的发病机制有关。
In addition to acetic acid in vinegar contains a lot of things, and contains calcium, iron, lactic acid, glycerol, amino acids and aldehydes.
醋内除含有大量醋酸外，并含有钙、铁、乳酸、甘油、氨基酸及醛类化合物。
This mechanism is different from that for the acetalization reaction of polyvinyl alcohol with saturated aldehydes, which has only 1, 2 addition.
此机理不同于只有1,2加成方式的聚乙烯醇缩饱和醛化反应。
They do not burn readily and are reasonably resistant to chemicals, except for nitric and sulfuric acids, chlorinated hydrocarbons, and aldehydes.
它们不易燃烧，相当地耐化学品，除非是硝酸、硫酸、氯化烃和醛类。
Aldehydes and other carbonyl compounds are most easily polymerized by essentially anionic mechanisms on account of the stability of alkoxide ions.
醛类和其他的羰基化合物，由于烷氧基离子的稳定性，最容易通过本质上是负离子的机理进行聚合。
Aldehydes and other carbonyl compounds are most easily polymerized by essentially anionic mechanisms on account of the stability of alkoxide ions.
醛类和其他的羰基化合物，由于烷氧基离子的稳定性，最容易通过本质上是负离子的机理进行聚合。
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