e/Keto-enol tautomerism

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has glosseng: In organic chemistry, keto-enol tautomerism refers to a chemical equilibrium between a keto form (a ketone or an aldehyde) and an enol. The enol and keto forms are said to be tautomers of each other. The interconversion of the two forms involves the movement of a proton and the shifting of bonding electrons; hence, the isomerism qualifies as tautomerism.
lexicalizationeng: Keto-enol tautomerism
instance ofe/Organic reaction
Meaning
Italian
has glossita: La tautomeria cheto-enolica è un particolare tipo di tautomeria.
lexicalizationita: Tautomeria cheto-enolica
Japanese
has glossjpn: ケト-エノール互変異性(ケト-エノールごへんいせい、Keto-enol tautomerism)は、ケト(ケトン、アルデヒド)とエノールの間の互変異性である。この互変異性は反応性に富むため様々な反応に使われる。
lexicalizationjpn: ケト-エノール互変異性
lexicalizationjpn: ケトエノール互変異性
Dutch
has glossnld: Keto-enoltautomerie is een vorm van tautomerie waarbij een keton of aldehyde reversibel kan worden omgezet in een enol. Tautomeervorming is mogelijk op voorwaarde dat naast de functionele groep (het keton) een koolstofatoom met minstens één gebonden waterstof ligt. Dit waterstofatoom is dan het verplaatsbare proton.
lexicalizationnld: Keto-enol tautomerie
lexicalizationnld: Keto-enoltautomerie
Portuguese
has glosspor: Em química orgânica, tautomerismo ceto-enol refere-se a um equilíbrio químico entre uma forma ceto (uma cetona ou um aldeído) e um enol. As formas enol e ceto são ditas tautômeros uma da outra. A interconversão das duas formas envolvem o movimento de um próton e o deslocamento de elétrons de ligação; por isso, o isomerismo qualifica-se como tautomerismo.
lexicalizationpor: Tautomerismo ceto-enol
Slovenian
has glossslv: Keto-enolna tavtomerija je kemijsko ravnotežje med ketonsko in enolno obliko ketona ali aldehida. Keto in enolna oblika sta tavtomera drug drugega, takšno obliko izomerije pa imenujemo tavtomerija. Pretvarjanje ene oblike v drugo je pogojeno s premikom protona (H) in veznih elektronov.
lexicalizationslv: Keto-enolna tavtomerija
Chinese
has glosszho: 在有機化學中,酮-烯醇互變異構是指因酮或醛和烯醇之間的化學平衡。酮或醛和烯醇稱為互變異構體。 此平衡出現的原因是,酮和醛等羰基化合物具有酸性的α-質子,在不同的pH值下進行質子的轉移,形成酮式和烯醇式。所以,烯醇式是酮和醛的一種存在形式,不同的酮在溶液中,有不同的烯醇式含量,可以經由1H核磁共振所測定。一般烯醇式的含量由5%至95%不等,視乎羰基化合物的结构、溫度、溶劑和pH值等。
lexicalizationzho: 酮-烯醇互变异构
Media
media:imgHydration of alkynes.png
media:imgKeto enol tautomerism.png
media:imgKeto-enol tatutomerization.svg
media:imgKeto-enol tautomerism acid.PNG
media:imgKeto-enol tautomerism base.PNG
media:imgKeto-enol.svg
media:imgKetoenol1.png
media:imgKetoenol2.png
media:imgKetoenol3.png
media:imgKetoenol4.png
media:imgKetoni 002.png
media:imgKetoni 003.png
media:imgTautomeria chetoenolica.PNG
media:imgTetrahydronaphthalenedione.png

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