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Definition of acid anhydride (acyl anhydride) (noun) form plural: acid anhydrides produced by removing a water molecule from two carboxylic acid groups; Examples of acid anhydride (acyl anhydride); Acetic anhydride is an example of an acid anhydride.
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Meaning of acid anhydride (acyl anhydride) (noun) form plural: acid anhydrides produced by removing a water molecule from two carboxylic acid groups; Example of acid anhydride (acyl anhydride); Acetic anhydride is an example of an acid anhydride.
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Acid anhydride - Wikipedia, the free encyclopedia
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There is also a great similarity between acid anhydrides and acyl chlorides (acid chlorides) as far as these reactions are concerned. Concentrate on these similarities ... Although this reaction can also be done with ethanoyl chloride, aspirin is manufactured by reacting 2-hydroxybenzoic acid with ethanoic anhydride at 90°C.
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Acylation of the free hydroxyl group on the symmetrical diglyceride is accomplished by heating the diglyceride in the presence of a high aliphatic fatty acid anhydride at a temperature slightly above the melting point temperature of the mixture to form liquid phase reactants.
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A new practical method for the N-acylation of amides is described. Acylation of various amides with acid anhydrides in the presence of MgBr2·OEt2 gave the ...
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; [ACYL DERIVATIVES OF HOMOPHTHALIC ACID ANHYDRIDE. 2. ON ACYL DERIVATIVES OF METHYLENE-ACTIVE DICARBONYL COMPOUNDS.]; [Article in German]; SCHNEKENBURGER J. PMID: 14280216 [PubMed - indexed for MEDLINE]
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The palladium acetate-catalyzed coupling reaction of aryl boronic acid with carboxylic anhydride or acyl chloride was carried out smoothly in water in the presence of poly(ethylene glycol) (PEG) or 1-butyl-3-methylimidazolium hexafluorophosphate ([bmim][PF6]) to give high yields of ketones without the use of phosphine ...
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A carboxylic acid anhydride ([RC=O]O[O=CR]) is a carboxylic acid (COOH) that has an acyl group (RC=O) attached to its oxygen instead of a hydrogen. If both acyl groups are the same, then it is simply the name of the carboxylic acid with the word acid replaced with anhydride.
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