Not all esters are derivatives of carboxilic acid, they could also be derivatives of phosphoric, sulphuric or carbonic (etc.) acids. However, they are called derivatives of 'X' acid because they are formed by reacting an oxoacid ('X') with a hydroxyl compound (alcohol or phenol).
See the related link and related question for more information about how esters are synthesized.
Esters and amides are derivatives of carboxylic acids. Amines are alkylated derivatives of ammonia: carboxylic acid= R-COOH ester= R-COOR amide=R-CONH2 amine= R-NHR
Esters belong to the functional group known as carboxylates. They are derived from carboxylic acids and alcohols through a condensation reaction, resulting in the formation of a carbonyl group bonded to an oxygen atom.
Hydrocarbon derivatives include compounds that contain carbon and hydrogen atoms, but also other elements such as oxygen, nitrogen, halogens (fluorine, chlorine, bromine, iodine), sulfur, and phosphorus. Examples of hydrocarbon derivatives include alcohols, ethers, aldehydes, ketones, carboxylic acids, esters, amines, amides, halogenated hydrocarbons (such as chloroform), thiols, and thioketones.
Just about any carbonyl compound can be forced into an ester, but the most common way of synthesizing an ester is treatment of an acyl chloride (or acid anhydride) with an alcohol. A catalyst is not needed as these compounds are reactive enough on their own.
Such compounds are mostly esters.
because it is derieved from corboxylate
The oxidation of carboxylic acids increases their reactivity and changes their chemical properties by converting them into more reactive compounds called carboxylic acid derivatives, such as esters, anhydrides, and amides. This process can alter the acidity, solubility, and stability of the carboxylic acids.
Esters and amides are derivatives of carboxylic acids. Amines are alkylated derivatives of ammonia: carboxylic acid= R-COOH ester= R-COOR amide=R-CONH2 amine= R-NHR
Esters belong to the functional group known as carboxylates. They are derived from carboxylic acids and alcohols through a condensation reaction, resulting in the formation of a carbonyl group bonded to an oxygen atom.
Hydrocarbon derivatives include compounds that contain carbon and hydrogen atoms, but also other elements such as oxygen, nitrogen, halogens (fluorine, chlorine, bromine, iodine), sulfur, and phosphorus. Examples of hydrocarbon derivatives include alcohols, ethers, aldehydes, ketones, carboxylic acids, esters, amines, amides, halogenated hydrocarbons (such as chloroform), thiols, and thioketones.
Because esters are alkyl derivatives of carboxylic acids so they don't have bond between O and H. as CH3-COOCH3
a carboxylic acid + an alcohol
Esters are compounds formed from the reaction between a carboxylic acid and an alcohol, while amides are compounds formed from the reaction between a carboxylic acid and an amine. Esters have a carbonyl group bonded to an oxygen atom, while amides have a carbonyl group bonded to a nitrogen atom. Additionally, amides typically have higher boiling points and melting points compared to esters due to stronger intermolecular interactions in amides.
A carboxylate is the ionized form of a carboxylic acid, meaning it has lost a hydrogen ion. Carboxylates are generally more stable and less reactive than carboxylic acids. Carboxylic acids are more acidic and tend to react with other compounds to form salts or esters.
Molecules containing a carbonyl group (CO) are known as carbonyl compounds. These compounds can be further classified into aldehydes, ketones, carboxylic acids, esters, and amides based on their specific structure and functional groups.
esters are usually prepared industrially by reaction of corresponding carboxylic acid and alcohol.
Just about any carbonyl compound can be forced into an ester, but the most common way of synthesizing an ester is treatment of an acyl chloride (or acid anhydride) with an alcohol. A catalyst is not needed as these compounds are reactive enough on their own.