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In chemistry, esters are chemical compounds derived from an acid (organic or inorganic) in which at least one –OH (hydroxyl) group is replaced by an –O–alkyl  ...

an introduction to esters - Chemguide


Esters are derived from carboxylic acids. A carboxylic acid contains the -COOH group, and in an ester the hydrogen in this group is replaced by a hydrocarbon ...

Ester | Define Ester at Dictionary.com


Ester definition, a compound produced by the reaction between an acid and an alcohol with the elimination of a molecule of water, as ethyl acetate, C 4 H 8 O 2 ...

BBC - GCSE Bitesize Science - Esters : Revision


A secondary school revision resource for AQA GCSE Triple Science about chemistry: Esters.

Malonic Ester Synthesis - Organic Chemistry Portal


Malonic Ester Synthesis. Malonic esters are more acidic than simple esters, so that alkylations can be carried out via enolate formation promoted by relatively ...

Ester | Definition of Ester by Merriam-Webster


any of a class of often fragrant organic compounds that can be represented by the formula RCOOR′ and that are usually formed by the reaction between an ...

Ester Pyrolysis - Organic Chemistry Portal


Ester Pyrolysis is a syn-elimination yielding an alkene, similar to the Cope Elimination, for which ß-hydrogens are needed. The carboxylic acid corresponding to ...

ester partegàs – Ester Partegàs Portfolio


ester partegàs · work · site specific · editions · books · Press · about · contact. SEARCH. Search for: The source The Passerby Untitled (containers and labels) ...

ester - Wiktionary


From Old French ester, from Vulgar Latin *estō, from Classical Latin stō (cf. also the juridical Medieval Latin senses), from Proto-Indo-European *steh₂-.

Illustrated Glossary of Organic Chemistry - Ester


Ester: A molecule or functional group derived by condensation of an alcohol and an acid with simultaneous loss of water. The most common type of ester is ...

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ester | chemical compound | Britannica.com


Jul 7, 2015 ... Ester, any of a class of organic compounds that react with water to produce alcohols and organic or inorganic acids. Esters derived from ...

Properties of Esters - Chemwiki


Jul 14, 2016 ... This page defines esters and discusses their simple physical properties such as solubility and boiling points. It includes an introduction to more ...

BBC - GCSE Bitesize: Esters


Esters are made by reacting an alcohol with an organic acid. They are used in perfumes, and as solvents. Some perfume ingredients are natural, while others ...