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In chemistry, an ester is a functional group derived from an acid (organic or inorganic) in which the hydrogen atom (H) of at least one acidic hydroxyl group (−OH) of that acid is replaced by an organyl group (R′). Analogues derived from oxygen replaced by other chalcogens belong to the ester category as … 展开
Etymology
The word ester was coined in 1848 by a German chemist Leopold Gmelin, probably as a contraction … 展开Esters derived from carboxylic acids and alcohols are more polar than ethers but less polar than alcohols. They participate in hydrogen bonds as hydrogen-bond acceptors, but cannot act … 展开
Esters are widespread in nature and are widely used in industry. In nature, fats are, in general, triesters derived from glycerol and fatty acids. … 展开
Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials, and often have a pleasant characteristic, … 展开
CC-BY-SA 许可证中的维基百科文本 21.6: Chemistry of Esters - Chemistry LibreTexts
discuss the wide occurrence of esters in nature, and their important commercial uses, giving one example of an ester linkage in nature, and one example of a commercially important ester. write an equation to describe the hydrolysis of …
Ester | Description, Types, & Reactions | Britannica
2024年11月6日 · ester, any of a class of organic compounds that react with water to produce alcohols and organic or inorganic acids. Esters derived from carboxylic acids are the most common. The term ester was introduced in the first half of …
21.6 Chemistry of Esters - Organic Chemistry | OpenStax
21.6 • Chemistry of Esters Esters are among the most widespread of all naturally occurring compounds. Many simple esters are pleasant-smelling liquids that are responsible for the fragrant odors of fruits and flowers. For example, methyl …
15.5: Esters - Structures and Names - Chemistry LibreTexts
2022年9月15日 · Identify the general structure for an ester. Use common names to name esters. Name esters according to the IUPAC system.
What Is an Ester in Chemistry? - ThoughtCo
2020年1月4日 · An ester is an organic compound where the hydrogen in the compound's carboxyl group is replaced with a hydrocarbon group. Esters are derived from carboxylic acids and (usually) alcohol. While carboxylic acid has …
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25.5 Esters – Structure, Properties and Naming
Chemical reaction of acetic acid and ethanol to produce an ester: ethyl acetate (credit: Chemistry (OpenStax), CC BY 4.0). Properties of Esters. Esters occur widely in nature. Unlike carboxylic acids, esters generally have pleasant …
12.8: Esters - Chemistry LibreTexts
2023年4月14日 · Learn about esters, a class of organic compounds derived from carboxylic acids and alcohols. Find definitions, structures, properties, reactions, and examples of esters in this online textbook.
an introduction to esters - chemguide
Learn what esters are, how they are derived from carboxylic acids and alcohols, and how they differ in physical and chemical properties. Explore the structure and naming of esters, and the types of fats and oils that are esters.
Ester - Definition, Structure, Esterification along with …
Learn what esters are, how they are formed by esterification, and what properties and uses they have. Find examples, FAQs, and a quiz on esters and their chemistry.
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