aldol(redirected from 3-hydroxybutanal)
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formation of an aldol (a β-hydroxy carbonyl compound) from two carbonyl compounds; the reverse reaction is an aldol cleavage; fructose 1,6-bisphosphate aldolase catalyzes such a reaction.
1. A thick, colorless to pale yellow liquid obtained from acetaldehyde and used in perfumery and as a solvent.
2. A similar aldehyde containing the group CH3OH-CO-CHOH.