Definition of aldol in English:

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aldol

Pronunciation: /ˈalˌdôl/ /-ˌdäl/

noun

Chemistry
A viscous liquid obtained when acetaldehyde dimerizes in dilute alkali or acid.
  • Alternative name: 3-hydroxybutanal; chemical formula: CH3CH(OH)CH2CHO
Example sentences
  • The simplest aldol - CH 3 CHOHCH 2 CHO - is produced from ethanal.
  • The most useful mixed Aldols are those where only one reactent can form an enolate.
  • Aldols are bifunctional molecules possessing OH and C=O groups, which are able to act as both hydrogen donors and/or acceptors.

Origin

Late 19th century: from ald(ehyde) + -ol.

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