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In chemistry, an acyl group is a moiety derived by the removal of one or more hydroxyl groups from an oxoacid, [1] including inorganic acids. It contains a double-bonded oxygen atom and an organyl group ( R−C=O ) or hydrogen in the case of formyl group ( H−C=O ).
Acyl-CoA synthetases, also known as acyl-CoA ligases, are enzymes that “activate” fatty acids by thioesterification to CoA. [1] It represents the initial step of fatty acid metabolism so that fatty acids can participate in catabolic and anabolic pathways. [ 1 ]
Acyl complexes are usually low-spin and spin-paired. Monometallic acyl complexes adopt one of two related structures, C-bonded and η 2-C-O-bonded. These forms sometimes interconvert. For the purpose of electron-counting, C-bonded acyl ligands count as 1-electron ligands, akin to pseudohalides. η 2-Acyl ligands count as 3-electron "L-X" ligands.
In chemistry, acylation is a broad class of chemical reactions in which an acyl group (R−C=O) is added to a substrate. The compound providing the acyl group is called the acylating agent. The substrate to be acylated and the product include the following: alcohols, esters; amines, amides; arenes or alkenes, [1] ketones
Acyl halides are rather reactive compounds often synthesized to be used as intermediates in the synthesis of other organic compounds. For example, an acyl halide can react with: water, to form a carboxylic acid. This hydrolysis is the most heavily exploited reaction for acyl halides as it occurs in the industrial synthesis of acetic acid.
In organic chemistry, an acyl chloride (or acid chloride) is an organic compound with the functional group −C(=O)Cl. Their formula is usually written R−COCl , where R is a side chain . They are reactive derivatives of carboxylic acids ( R−C(=O)OH ).
N-acyl amides are a general class of endogenous fatty acid compounds characterized by a fatty acyl group linked to a primary amine metabolite by an amide bond. Broadly speaking, N-acyl amides fall into several categories: amino acid conjugates (e.g., N-arachidonoyl-glycine), neurotransmitter conjugates (e.g., N-arachidonoyl-serotonin), ethanolamine conjugates (e.g., anandamide), and taurine ...
Acetyl is an acyl group having the formula −C(=O)−CH 3. For further information on the types of chemical reactions compounds such as acetyl chloride can undergo, see acyl halide . Two major classes of acetylations include esterification and the Friedel-Crafts reaction .