compound. The phenomenon of tautomerization is called tautomerism, also called desmotropism. Tautomerism is for example relevant to the behavior of amino acids...
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Enol (redirect from Keto–enol tautomerism)
Examples of keto-enol tautomerism In organic chemistry, alkenols (shortened to enols) are a type of reactive structure or intermediate in organic chemistry...
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ISBN 978-3527306732. Martin Lohrie; Wilhelm Knoche (1993). "Dissociation and Keto-Enol Tautomerism of Phloroglucinol and its Anions in Aqueous Solution". J. Am. Chem. Soc...
21 KB (1,967 words) - 02:54, 14 August 2024
Acetylacetone (section Tautomerism)
It exists in equilibrium with a tautomer CH3−C(=O)−CH=C(−OH)−CH3. The mixture is a colorless liquid. These tautomers interconvert so rapidly under most...
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Phosphorous acid (section Nomenclature and tautomerism)
; Bridle, Mark J.; Montchamp, Jean-Luc (2015-09-29). "P(═O)H to P–OH Tautomerism: A Theoretical and Experimental Study". The Journal of Organic Chemistry...
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Lactam (section Lactam–lactim tautomerism)
A lactam is a cyclic amide, formally derived from an amino alkanoic acid through cyclization reactions. The term is a portmanteau of the words lactone...
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interconvert between several structures via lactam-lactim tautomerism. Although the triol tautomer may have aromatic character, the keto form predominates...
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2-Pyridone (section Tautomerism)
case of a compound that exists as tautomers. The second tautomer is 2-hydroxypyridine. This lactam lactim tautomerism can also be exhibited in many related...
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Favipiravir (section Tautomerism)
experimentally in some humans infected with the virus. The possible tautomerism of favipiravir has been investigated computationally and experimentally...
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Mutagenesis (section Tautomerism)
Mutagenesis (/mjuːtəˈdʒɛnɪsɪs/) is a process by which the genetic information of an organism is changed by the production of a mutation. It may occur spontaneously...
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4-Pyridone (section Tautomerism)
exists a keto-enol tautomerism with its enol tautomer 4-hydroxypyridine. In solution, the keto tautomer is favoured, and the enol tautomer only becomes important...
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Alkynol (section Ynol–ketene tautomerism)
with ketenes, much like enols can with aldehydes and ketones. The ynol tautomer is usually unstable, does not survive long, and changes into the ketene...
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Phenol (section Tautomerism)
classified as a hard acid. Phenol exhibits keto-enol tautomerism with its unstable keto tautomer cyclohexadienone, but the effect is nearly negligible...
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or the enol tautomer. Keto–enol tautomerism is catalyzed by either acid or base. In neutral solution, the enol is the minority tautomer, reversing several...
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excited state intramolecular proton transfer or ESIPT) is induced by tautomerism of flavonols (and glucosides) and could contribute to plant UV protection...
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Alkyne (section Tautomerism)
{HC#C(CH2)5C#CH + 2H2O -> CH3CO(CH2)5COCH3}}} Terminal alkyl alkynes exhibit tautomerism. Propyne exists in equilibrium with propadiene: HC ≡ C − CH 3 ↽ − − ⇀...
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explicable with reference to its tautomerism, which produces a small amount of the keto tautomer. One consequence of this tautomerism is the Bucherer reaction...
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Kazushi (1976). "Keto-Enol Tautomerism. II. The Calorimetrical Determination of the Equilibrium Constants for Keto-Enol Tautomerism for Cyclohexanone and Acetone"...
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aqueous solutions with diethyl ether. The molecule displays P(═O)H to P–OH tautomerism similar to that of phosphorous acid; the P(═O) form is strongly favoured...
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Watson-Crick base pairs: constraints and limits due to geometric selection and tautomerism », F1000Prime Rep, (2014), 6, p. 19 Grosjean, H., et al., « An integrated...
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class of molecules, purines, which include substituted purines and their tautomers. They are the most widely occurring nitrogen-containing heterocycles in...
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displays lactam–lactim tautomerism. Uric acid crystallizes in the lactam form, with computational chemistry also indicating that tautomer to be the most stable...
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in substituted isoindoles. N-Substituted isoindoles do not engage is tautomerism and are therefore simpler to study. The commercially important phthalimide...
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acetoacetate and ethanol. Ethyl acetoacetate is subject to keto-enol tautomerism. In the neat liquid at 33 °C, the enol consists of 15% of the total....
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reference to its tautomerism, which produces a small amount of the keto tautomer.[citation needed] One consequence of this tautomerism is the Bucherer...
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with the nominal formula (H2N)(HN)CN(CH3)CH2CO2H. It exists in various tautomers in solutions (among which are neutral form and various zwitterionic forms)...
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stronger in hemoglobin, compared to 20,000 times stronger in free heme. The tautomerism and acid-base properties of the imidazole side chain has been characterized...
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Lambov N (November 2014). "The effect of the water on the curcumin tautomerism: a quantitative approach" (PDF). Spectrochimica Acta Part A: Molecular...
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containing a phosphonium group and a carboxylate group cannot isomerize. Tautomerism of amino acids follows this stoichiometry: RCH(NH2)CO2H ⇌ RCH(N+H3)CO−2...
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Hydrogen isocyanide (section HNC−HCN tautomerism)
isocyanide is a chemical with the molecular formula HNC. It is a minor tautomer of hydrogen cyanide (HCN). Its importance in the field of astrochemistry...
18 KB (2,036 words) - 15:41, 10 July 2024