The isomer of ethyl acetate
ethyl butyrate, with the formula\ (C_ {4} H_ {8} O_ {2}\), has many isomers and each has its own characteristics.
One is a carboxylic acid. Butyric acid\ (CH_ {3} CH_ {2} CH_ {2} COOH\), has a carboxyl group\ (-COOH\), is acidic, can be neutralized with bases, and is esterified with alcohols. Isobutyric acid\ ((CH_ {3}) _ {2} CHCOOH\), also belongs to this category, although the structure is slightly different, but the chemical properties such as acidity and esterification are similar to those of butyric acid.
Its two are esters. Propyl formate\ (HCOOCH_ {2} CH_ {2} CH_ {3}\), esterified from formic acid and propanol, has the aroma of esters. Isopropyl formate\ (HCOOCH (CH_ {3}) _ {2}\), different in structure from propyl formate, but also has the generality of esters. Methyl propionate\ (CH_ {3} CH_ {2} COOCH_ {3}\), esterified from propionic acid and methanol, also emits ester-specific aroma.
The third is a compound containing carbonyl and hydroxyl groups. Hydroxybutanone\ (CH_ {3} COCH_ {2} CH_ {2} OH\), with carbonyl and hydroxyl groups, can undergo oxidation, addition and other reactions. Its isomerism, such as\ (CH_ {3} CH (OH) CH_ {2} CHO\), although the functional group position is changed, the chemical properties are also related.
Furthermore, there are cyclic esters. Quaternary cyclic esters, with cyclic structure and special stability, have unique uses in organic synthesis. Five-membered cyclic esters, with different sizes and properties, exhibit different activities in some reactions.
All these isomers have different properties due to differences in structure, and each has its own potential in the field of organic chemistry, adding luster to chemical research and applications.