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  • KekulĂ© structure
  • Structural formula for an aromatic compound that satisfies the customary rules of bonding and is usually characterized by a pattern of alternating single and double bonds. There are two KekulĂ© formulations for benzene: FIG   A single KekulĂ© structure does not completely describe the actual bonding in the molecule
  • Ketal
  • An acetal derived from a ketone
  • Keto
  • A tautomeric form that contains a carbonyl group
  • Keto-enol tautomerism
  • Process by which an aldehyde or a ketone and its enol equilibrate:  FIG
  • Ketone
  • A member of the family of compounds in which both atoms attached to a carbonyl group (C=O) are carbon, as in FIG
  • Ketose
  • A carbohydrate that contains a ketone carbonyl group in its open-chain form
  • Kiliani-Fischer synthesis
  • A synthetic method for carbohydrate chain extension. The new carbon-carbon bond is formed by converting an aldose to its cyanohydrins. Reduction of the cyano group to an aldehyde function completes the synthesis
  • Kinases
  • Enzymes that catalyze the transfer of phosphate from ATP to some other molecule
  • Kinetic resolution
  • Separation of enantiomers based on their unequal rates of reaction with a chiral reactant
  • Kinetic isotope effect
  • An effect on reaction rate that depends on isotopic composition
  • Kinetically controlled reaction
  • Reaction in which the major product is the one that is formed at the fastest rate
  • Kolbe-Schmitt reaction
  • The high-pressure reaction of the sodium salt of a phenol with carbon dioxide to give an o-hydroxybenzoic acid. The Kolbe-Schmitt reaction is used to prepare salicylic acid in the synthesis of aspirin.
Department of Chemistry & Chemical Biology