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Carboxylate ion Acrylate ion. In organic chemistry, a carboxylate is the conjugate base of a carboxylic acid, RCOO − (or RCO − 2). It is an anion, an ion with negative charge. Carboxylate salts are salts that have the general formula M(RCOO) n, where M is a metal and n is 1, 2,....
Category: Carboxylate anions. 18 languages. Беларуская (тарашкевіца) ... Download as PDF; Printable version; In other projects Wikimedia Commons;
Alternately, it can be named as a "carboxy" or "carboxylic acid" substituent on another parent structure, such as 2-carboxyfuran. The carboxylate anion (R−COO − or R−CO − 2) of a carboxylic acid is usually named with the suffix -ate, in keeping with the general pattern of -ic acid and -ate for a conjugate acid and its conjugate base ...
For example, a carboxylic acid is defined as a carbonyl group (C=O) directly attached to a hydroxyl group (OH): O=C–OH. A vinylogous carboxylic acid has a vinyl unit (−HC=CH−, vinylene) between the two groups that define the acid: O=C–C=C–OH. The usual resonance of a
Acyl anions are almost always unstable—usually too unstable to be exploited synthetically. They readily react with the neutral aldehyde to form an acyloin dimer. Hence, synthetic chemists have developed various acyl anion synthetic equivalents, such as dithianes, as surrogates.
Structure of hydrated nickel acetate. Transition metal carboxylate complexes are coordination complexes with carboxylate (RCO 2 −) ligands. Reflecting the diversity of carboxylic acids, the inventory of metal carboxylates is large. Many are useful commercially, and many have attracted intense scholarly scrutiny.
Polar solvents are necessary for this type of initiation both for stability of the anion-radical and to solvate the cation species formed. [8] The anion-radical can then transfer an electron to the monomer. Initiation can also involve the transfer of an electron from the alkali metal to the monomer to form an anion-radical.
An oxocarbon anion C x O n− y can be seen as the result of removing all protons from a corresponding acid C x H n O y. Carbonate CO 2− 3, for example, can be seen as the anion of carbonic acid H 2 CO 3. Sometimes the "acid" is actually an alcohol or other species; this is the case, for example, of acetylenediolate C 2 O 2− 2 that would ...