Aldehydes

1·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。

2·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。

3·The experiment results showed that the volatile of ash-leaf maple consists of 31 compounds, which are classified into alcohols, aldehydes, acids, esters, ketones, terpenes and others.

结果显示，复叶槭的挥发性物质由31 种化合物组成，分属于醇类、醛类、酸类、酯类、酮类及萜类等。

4·As for the production of wheat-starter yellow rice wine without steaming, strict quality control during technical process could reduce the production of higher alcohols, aldehydes and sulfides.

以无蒸煮方法酿造麦曲黄酒，严格工艺过程的质量控制，可减少高级醇、醛类和硫化物等产生。

5·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。

1·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。

2·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。

3·Phenols, aldehydes, ketones, quinones, carboxylic acids and many other important organic intermediates for fine chemicals can be obtained by oxidizing aromatic compounds.

通过氧化反应可以由芳香族化合物得到酚、醛、酮、醌和羧酸等重要的有机中间体和精细化学品。

4·Many new compounds can be obtained by addition with water, hydrogen, alcohols, phenols, amines, amides, carboxylic acids, olefins, aldehydes, ketones, esters, etc.

与水、活性氢、醇、酚、胺、酰胺、羧酸、烯烃、醛、酮、酯加成得到的新化合物，可作脱水剂和氧化剂使用。

5·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。