Enol | 食品添加物合法業者資訊網
Inorganicchemistry,keto–enoltautomerismreferstoachemicalequilibriumbetweenaketoform(aketoneoranaldehyde)andanenol(analcohol).
Organic compound with a C=C–OH group
In organic chemistry, alkenols (shortened to enols) are a type of reactive structure or intermediate in organic chemistry that is represented as an alkene (olefin) with a hydroxyl group attached to one end of the alkene double bond (
C=C−OH). The terms enol and alkenol are portmanteaus deriving from "-ene"/"alkene" and the "-ol" suffix indicating the hydroxyl group of alcohols, dropping the terminal "-e" of the first term. Generation of enols often involves deprotonation at the α position to the carbonyl group—i.e., removal of the hydrogen atom there as a proton H+. When this proton is not returned at the end of the stepwise process, the result is an anion termed an enolate (see images at right). The enolate structures shown are schematic; a more modern representation considers the molecular orbitals that are formed and occupied by electrons in the enolate. Simila...酮 | 食品添加物合法業者資訊網
焓效應：酮－烯醇互變異構反應Enthalpy Effect：Keto－Enol ... | 食品添加物合法業者資訊網
22.1: Keto | 食品添加物合法業者資訊網
酮 | 食品添加物合法業者資訊網
Enol | 食品添加物合法業者資訊網
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