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 (ăl′dôl′, -dōl′, -dŏl′)
1. A thick, colorless to pale yellow liquid, C4H8O2, obtained from acetaldehyde and used in perfumery and as a solvent.
2. An organic compound containing an alcohol and a carbonyl group, especially a beta-hydroxy aldehyde.
3. A chemical reaction that produces a beta-hydroxy carbonyl compound as an intermediate or final product.


1. (Elements & Compounds) a colourless or yellowish oily liquid, miscible with water, used in the manufacture of rubber accelerators, as an organic solvent, in perfume, and as a hypnotic and sedative. Formula: CH3CHOHCH2CHO. Systematic name: 3-hydroxybutanal
2. (Elements & Compounds) any organic compound containing the functional group -CHOHCH2CHO
3. (Chemistry) (modifier) consisting of, containing, or concerned with the group -CHOHCH2CHO: aldol group or radical; aldol reaction.
[C19: from ald(ehyde) + -ol1]


(ˈæl dɔl, -dɒl)

a colorless, syrupy, water-soluble liquid, C4H8O2, used chiefly in the manufacture of rubber vulcanizers and accelerators, and in perfumery.
[1870–75; ald(ehyde) + -ol1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.aldol - an oily colorless liquid obtained by the condensation of two molecules of acetaldehydealdol - an oily colorless liquid obtained by the condensation of two molecules of acetaldehyde; contains an alcohol group (-OH) and an aldehyde group (-CHO)
acetaldol - unsaturated aldol
organic compound - any compound of carbon and another element or a radical
References in periodicals archive ?
These shared reactions include aldol additions, which bring new source molecules into the cycles, as well as beta and oxidative decarboxylations, which release the molecules as carbon dioxide (CO2) which is an integral gas to early atmosphere formation.
The last method used the classical aldol reaction to couple acetylferrocene with two different aromatic aldehydes.
Scott, Chemoselective, solvent-free aldol condensation reaction, Green Chem.
Furfural and acetone can be converted into furfuralacetone by an aldol condensation [34] which is then hydrogenated into 4-(2-tetrahydrofuryl)-2-butanol (THFA).
The paradigm proposed herein for the exploitation of vinyl cations will also open up new vistas in the centuries-old aldol reaction and in amination chemistry.
The aldol condensation reactions follow the production of pentaerythritose forming the pentaerythritol by reaction kinetics.
2011) Stereocontrolled total synthesis of (D)-concanamycin F: the strategic use of boron-mediated aldol reactions of chiral ketones.
Acetone is a backbone intermediate in the production of methyl methacrylate monomers, bisphenol A, and aldol chemicals such as methyl isobutyl ketone, and is used as a solvent in many of the same products.
Base catalysis for the synthesis of [alfa], [beta]-unsaturated ketones from the vapor-phase aldol condensation of acetone.
Method of carbon chain extension using novel aldol reaction, US patent 20120289720 A1 2012.
2',4'-Dimethoxy-4-hydroxychalcone (4) was synthesized via aldol condensation by adding thionyl chloride to a mixture of 2',4'-dimethoxyacetophenone and 4-hydroxybenzaldehyde in ethanol at room temperature (Jaypal et al.
Among their topics are the inertia of conventional functional groups, the aldol condensation, macrocycles from reluctant ring closure to reluctant ring opening, transformations mediated by transition metals versus conventional reactions, oxidations and carbon-carbon bond building, and the failure of epoxide ring opening and the limits of cascade reactions.