Ester - Wikipedia
网页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 well. [1]
Ester | Description, Types, & Reactions | Britannica
网页2024年8月21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 the 19th century by German chemist Leopold Gmelin.
15.5: Esters - Structures and Names - Chemistry LibreTexts
网页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. Esters have the general formula RCOOR ′, where R may be a hydrogen atom, an alkyl group, or an aryl group, and R′ may be an alkyl group or an aryl group but not a hydrogen atom.
What Is an Ester in Chemistry? - ThoughtCo
网页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 the -COOH group, the hydrogen is replaced by a hydrocarbon in an ester.
Ester - Definition, Structure, Esterification along with Properties …
网页What is Ester? An ester is a chemical compound derived from an acid (organic or inorganic) in which at least one –OH hydroxyl group is replaced by an –O– alkyl (alkoxy) group.
21.6 Chemistry of Esters - Organic Chemistry | OpenStax
网页21.6 Chemistry of Esters. Highlights. 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 butanoate is found in pineapple oil, and isopentyl acetate is a constituent of banana oil.
Ester Definition, Examples And Facts | Chemistry Dictionary
网页2017年11月14日 · Ester Definition. Esters are the derivatives of carboxylic acids in which the hydrogen of carboxylic acid (-COOH) has been replaced by an alkyl group (-R) like methyl, ethyl or a benzene ring like phenyl. The ester …
Properties of Esters - Chemistry LibreTexts
网页2023年1月23日 · The acid CH 3 (CH 2) 16 COOH is called octadecanoic acid, frequently referred to by its common name, stearic acid. The full name for the ester of this with propane-1,2,3-triol is propane-1,2,3-triyl trioctadecanoate, unsurprisingly known by by its common name of glyceryl tristearate.
Introduction to Esters - YouTube
网页2017年3月5日 · What is an ester? What is the structure of an ester, and how can we form esters from alkanols and alkanoic acids (a.k.a alcohols and carboxylic acids).
25.13: Esters - Chemistry LibreTexts
网页2022年4月30日 · An ester is an organic compound that is a derivative of a carboxylic acid, in which the hydrogen atom of the hydroxyl group has been replaced with an alkyl group. The structure is the product of a carboxylic acid (the \(\ce{R}\)-portion) and an alcohol (the \(\ce{R'}\)-portion).