What is aldehyde?

  • (noun): Any of a class of highly reactive chemical compounds; used in making resins and dyes and organic acids.

Aldehyde

An aldehyde ( /ˈældɨhaɪd/) is an organic compound containing a formyl group. This functional group, with the structure R-CHO, consists of a carbonyl center (a carbon double bonded to oxygen) bonded to hydrogen and an R group, which is any generic alkyl or side chain. The group without R is called the aldehyde group or formyl group. Aldehydes differ from ketones in that the carbonyl is placed at the end of a carbon skeleton rather than between two carbon atoms. Aldehydes are common in organic chemistry. Many fragrances are aldehydes.

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Some articles on aldehyde:

Luche Reduction
... The Luche reduction can be conducted chemoselectively toward ketone in the presence of aldehyde or toward α,β-unsaturated ketone in the presence of non-conjugated ketone ... In one application a ketone is selectively reduced in presence of an aldehyde ... Actually in presence of methanol as solvent, the aldehyde forms methoxy acetal which is inactive in the reducing conditions ...
Aldehyde - Uses
... Of all aldehydes, formaldehyde is produced on the largest scale, about 6,000,000 tons/y ... The second main aldehyde is butyraldehyde, of which about 2,500,000 tons/y are prepared by hydroformylation ... Many other aldehydes find commercial applications, often as precursors to alcohols, the so-called oxo alcohols, which are used in detergents ...
Carboxylate Reductase
... an enzyme that catalyzes the chemical reaction an aldehyde + acceptor + H2O a carboxylate + reduced acceptor The 3 substrates of this enzyme are aldehyde, acceptor, and H2O, whereas its two products are carboxylate ... This enzyme belongs to the family of oxidoreductases, specifically those acting on the aldehyde or oxo group of donor with other acceptors ... This enzyme is also called aldehyde(acceptor) oxidoreductase ...
Long-chain-aldehyde Dehydrogenase
... Long-chain-aldehyde dehydrogenase (or fatty aldehyde dehydrogenase) is an aldehyde dehydrogenase enzyme associated with Sjögren-Larsson syndrome ...
Coniferyl-aldehyde Dehydrogenase
... In enzymology, a coniferyl-aldehyde dehydrogenase (EC 1.2.1.68) is an enzyme that catalyzes the chemical reaction coniferyl aldehyde + H2O + NAD(P)+ ferulate + NAD(P)H + 2 H+ The 4 ... specifically those acting on the aldehyde or oxo group of donor with NAD+ or NADP+ as acceptor ...