lactol
Sign in to saveAlso known as lactols
thumb|right|120px|The lactol functional group, highlighted in blue, is present in many sugars such as ribose shown here.
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Encyclopedic overview
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- Chemical reactivity
- References
thumb|right|120px|The lactol functional group, highlighted in blue, is present in many sugars such as ribose shown here.
In organic chemistry, a lactol is a functional group which is the cyclic equivalent of a hemiacetal () or a hemiketal (). The compound is formed by the intramolecular, nucleophilic addition of a hydroxyl group () to the carbonyl group () of an aldehyde () or a ketone ().
Excerpted from Wikipedia’s “lactol” article, available under the CC BY-SA 4.0 licence.