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Tautomer

In chemistry, tautomers (/ˈtɔːtəmər/) are a subset of structural isomers (constitutional isomers) of chemical compounds that readily interconvert. The chemical reaction interconverting the two is called tautomerization. This conversion commonly results from the relocation of a hydrogen atom within the compound. The phenomenon of tautomerization is called…

Standards, Examples & Prototropy

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Examples

Prototropy

Valence tautomerism

Inorganic materials

Consequences for chemical databases

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Tautomer

Nodes86
Edges85
Triples52
Avg. degree1.98
Density0.023256
Components1

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Tautomer

Top relations

related to Examples · 22
Tautomer → CH2, CO, Common, COOH, CR3R4nitro, H2N, H3N, Hamino, Hcyanamide, Hketene, HP, It, Most, NCHR3R4, OH, OR, R1R2CHN, RR'C, RR'HC, Tautomerization
related to Consequences for chemical databases · 10
Tautomer → C5H5NO/c7-5-3-1-2-4-6-5/h1-4H, CAS Registry Numbers, Chemical Abstracts Service, For, Historically, InChI, International Chemical Identifier, Pyridone, The, Thus
related to External links · 4
Tautomer → Media, Tautomerism, Wikimedia Commons, Wiktionary-logo-en-v2
related to Prototropy · 3
Tautomer → Prototropic, Prototropy, Tautomerizations
related to Valence tautomerism · 3
Tautomer → C6H6O, It, Valence
related to Inorganic materials · 2
Tautomer → In, Such

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Important terminology

tautomerism chemical tautomers valence two bond resonance forms called tautomerization hydrogen form prototropic example behavior structures depictions 2-pyridone inorganic see

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
the nucleobases guanineinstance ofa cyclic form of amide-imidic acid tautomerism in 2-pyridone and derived structures0.80text
thymineinstance ofa cyclic form of amide-imidic acid tautomerism in 2-pyridone and derived structures0.80text
and cytosineimineinstance ofa cyclic form of amide-imidic acid tautomerism in 2-pyridone and derived structures0.80text
temperatureinstance ofthe two tautomeric forms are interconvertible and the proportion of each depends on factors0.80text
solventinstance ofthe two tautomeric forms are interconvertible and the proportion of each depends on factors0.80text
and additional substituents attached to the main ring.Historicallyinstance ofthe two tautomeric forms are interconvertible and the proportion of each depends on factors0.80text
each form of the substance was entered into databases such as those maintained by the Chemical Abstracts Serviceinstance ofthe two tautomeric forms are interconvertible and the proportion of each depends on factors0.80text
given separate CAS Registry Numbersinstance ofthe two tautomeric forms are interconvertible and the proportion of each depends on factors0.80text
Tautomerrelated to Consequences for chemical databasesThe0.60section
Tautomerrelated to Consequences for chemical databasesFor0.60section
Tautomerrelated to Consequences for chemical databasesHistorically0.60section
Tautomerrelated to Consequences for chemical databasesChemical Abstracts Service0.60section

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