How do you name phenolic esters? What is the nomenclature of esters?

There was a lot of talk upstairs, and there was basically nothing the landlord needed.

The nomenclature of phenol esters is the same as that of alcohol esters, except that B in the B ester of a acid here should talk about the name of phenol and remove a phenol word. For example, the esters of acetic acid and phenol are of course called phenyl acetate, and the esters of butyric acid and p-toluphenol are called p-methylphenyl butyrate.

Sometimes there is also a nomenclature that does not use alcohol esters, which can be represented by a certain acyl. For example, the esters produced by acetic acid and phenol are generally called acetylphenol or O-acetyl phenol. The ester formed by p-methylphenol and butyric acid is called O-butyryl-p-methylphenol.

However, this method is relatively rare.

1.Phenol as an acid: it can be named a phenol and a certain ester.

2.Phenol as alcohol: can be named as a phenol ester of a certain acid.

Phenols are all phenols, and when you name them, they are basically with the benzene ring.

Connection. 1. Remove the phenolic hydroxyl group, leaving the benzene ring or stupid homologue.

Name the above names first, e.g., methylbenzene, ethylbenzene.

2, add the phenolic hydroxyl group on the Sui Zen, see where the benzene ring is, there are three positions, such as toluene, in addition to the methyl group on the regular hexagon, respectively, marked 12345, a total of 5 positions, of which 15, 24 positions are the same, then 1 is the ortho, 2 is the inter, 3 is the para, then the phenol hydroxyl group is in which position, it is called X toluenol. And so on.

To add, Guess Dust's high school requirements for phenol naming are not high, so you don't have to master too much. Also, multi-functional groups.

The naming is unclear and the requirements are too high.

That's it.

Esters are named after the acids and alcohols (phenols) that form it.

For example, ethyl acetate CH3COOC2H5, PHENYL ACETATE CH3COOC6H5, Methyl Benzoate C6H5COOCH3, Butyl Acetate CH3COOC4H9, Octyl Acrylate CH2CHCOOC8H17, etc.

1. What is an ester?

A class of derivatives of carboxylic acids, compounds formed by the reaction of carboxylic acids with alcohols (phenols) to lose water. It is widely found in nature, for example, ethyl acetate is found in wine, vinegar and certain fruits; Isoamyl acetate is found in fruits such as bananas and pears; Methyl benzoate is found in clove oil; Methyl salicylate is found in wintergreen oil. Glycerides of higher and intermediate fatty acids are the main components of animal and vegetable oils and fats, and esters formed by higher fatty acids and higher alcohols are the main components of waxes.

2. Para-ester.

Para ester is an important intermediate of reactive dyes, which is used for the synthesis of ethylene sulfone-containing reactive dyes such as EF type, KN type, M KM type, and ME type.

1. Aliases: p-(-sulfate ethyl sulfone) aniline, vinyl sulfone sulfate, 4-ethyl sulfate sulfone, p--hydroxyethyl sulfone aniline sulfate, p-hydroxyethyl sulfone aniline sulfate.

2. The English name is para- ester, 3, the molecular formula is C8H11O6NS2, 4, and the molecular weight is.

5. The CAS number is 2494-89-5.

6. Appearance: off-white powder.

7. Uses: Para-ester is an important intermediate of reactive dyes, which is used for the synthesis of EF type, KN type, M KM type, ME type and other ethylene sulfone-containing reactive dyes.

8. Precautions: easy to decompose under alkaline conditions.

Nomenclature: Generally, phenol is the parent, and the other groups on the benzene ring are substituents When the sequence of substituents is preferred to the phenolic hydroxyl group, the parent is selected according to the order of the substituents.

According to the number of phenolic hydroxyl groups in the molecule, it is divided into monophenols, diphenols, polyphenols, etc.

Electron effect: p- conjugated (+c).

C-O bonds: C-O bonds are stronger, less polar, and not easy to break.

o H bond: more polar and easy to dissociate.

Properties: weakly acidic, OH is not easy to be replaced, -OH is a living group, and it is easier to be electrophilically substituted on the benzene ring.

Phenols are all phenols, and when you name them, they are basically associated with benzene rings.

1. Remove the phenolic hydroxyl group, leaving the benzene ring or benzene homologue, and name the above names first, for example, methyl (base) benzene, ethyl (base) benzene.

2, plus the phenolic hydroxyl group, depending on where the benzene ring is located, there are three positions, pro, intermediate, and p-, for example, toluene, in addition to the methyl group on the regular hexagon marked 12345 in turn, a total of 5 positions, of which 15, 24 positions are the same, then 1 is ortho, 2 is inter, 3 is para, then where is the phenolic hydroxyl group, it is called x toluenol. And so on.

To add, the nomenclature of phenols in high school is not very demanding, so you don't have to master too much. Also, the naming of the multifunctional group is unclear and too demanding.

That's it.

Looking at the priority order of substituents, phenol is generally used as the parent and other groups linked to the benzene ring are substituents, but when the sequence of substituents is preferred over the phenol group, the parent is selected in the order of the substituents.

The general substitution of the Kidd order: -carboxylic acid, sulfonic acid group, lipid group, haloacyl group, amide group, cyano group, aldehyde group, carbonyl group, oh alcohol, oh phenol, thiohydrogen group, sh>amino group", ether group, -sr

For example: methyl acetate ch3cooch3, because the order of coo can not be written backwards, only this can not be written, so you can count the carbon, the front 2 carbons, so it is acetic acid, the back of a methyl group, so it is methyl ester, if ch3cooch2ch3, it is ethyl acetate, cooch3, methyl formate, cooch2ch3, ethyl formate.

1.Lipid is obtained by the reaction of acid (organic acid) and alcohol, if the acid in the reactant is called formic acid, alcohol is called methanol, it will form forme, methyl forme, and others are such as ethyl acetate....

Ethyl acetate, ethyl formate, ethyl benzoate, ethyl acrylate.

To understand the definition of phenol lipid and alcohol lipid, we must first understand the definition of phenol, alcohol and lipid, phenol lipid and alcohol lipid are the hydroxyl group in phenol alcohol and the carboxyl group in acid respectively, and a part of the water is removed to form lipids. They are defined as follows:

1. Lipids, esters and their derivatives generated by the reaction of fatty acids and alcohols are collectively referred to as lipids, which are a class of compounds that are generally insoluble in water and soluble in fat-soluble solvents.

2. Phenols, hydroxyl groups (-OH) are directly linked to aromatic hydrocarbon nuclei (benzene ring or thick benzene ring) to form organic compounds.

3. Alcohol, hydroxyl group and aliphatic hydrocarbon group linked to form a compound; The hydroxyl group is attached to the benzene ring, and it is classified as a phenol because its chemical properties are different from ordinary alcohols;

After understanding the definitions, a simple combination, isn't their definition out? Phenols and alcohols are defined as follows:

1. Phenol lipids, the hydroxyl group in the phenol and the carboxyl group in the acid (here refers to organic matter, which contains carboxyl groups) remove a part of the water to form an organic matter.

2. Alcohol, an organic substance that combines the hydroxyl group in the alcohol with the carboxyl group in the acid (the same above).

To learn this kind of substance, it is best to learn it step by step, otherwise the whole knowledge framework is difficult to build, and it is better to teach it to the fish, it is better to teach it to the fish, good luck.

Phenol lipid is an organic substance produced by the combination of the hydroxyl group in the phenol and the carboxyl group in the organic acid.

Alcohol lipid is an organic substance produced by the dehydration of the hydroxyl group in the alcohol and the carboxyl group in the organic acid.

Resources.

Phenol esters are esters formed by phenols and carboxylic acids; Alcohol esters are esters formed by alcohols and carboxylic acids. The difference is whether the hydroxyl group that forms the ester is attached to the benzene ring.

None of that is true. Alcohol ester refers to ester in which the products of acid hydrolysis are alcohols and carboxylic acids. Phenol esters are esters of phenols and carboxylic acids after acidic hydrolysis. Phenols and carboxylic acids do not form phenol esters (they do not react), and phenol esters do not have to contain both functional groups at the same time.

Phenol lipid refers to the lipid formed by the reaction of phenolic hydroxyl group with carboxyl group, and the alcohol lipid essence is the lipid formed by the reaction of alcohol hydroxyl group and carboxylic acid. For example, phenol and acetic acid produce phenol lipids. Ethanol and acetic acid are formed into alcohol esters.

The ester obtained by the reaction of phenol with carboxylic acid is phenol ester;

The ester obtained by the reaction of alcohol with carboxylic acid is an alcohol ester.