Definition of Tautomer. Meaning of Tautomer. Synonyms of Tautomer

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Definition of Tautomer

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Tautomeric
Tautomeric Tau`to*mer"ic, a. (Chem.) Relating to, or characterized by, tautomerism.
Tautomerism
Tautomerism Tau*tom"er*ism, n. [Gr. ?; ?, for ? ? the same + ? part.] (Chem.) The condition, quality, or relation of metameric substances, or their respective derivatives, which are more or less interchangeable, according as one form or the other is the more stable. It is a special case of metamerism; thus, the lactam and the lactim compounds exhibit tautomerism.

Meaning of Tautomer from wikipedia

- In chemistry, tautomers (/ˈtɔːtəmər/) are structural isomers (constitutional isomers) of chemical compounds that readily interconvert. The chemical reaction...
- Examples of keto-enol tautomerism In organic chemistry, enols are a type of functional group or intermediate in organic chemistry containing a group with...
- 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...
- interconvert between several structures via lactam–lactim tautomerism. Although the triol tautomer may have aromatic character, the keto form predominates...
- H−C≡N+−O−. It is an isomer of isocyanic acid (H−N=C=O) and of its elusive tautomer, cyanic acid (H−O−C≡N), and also of isofulminic acid (H−O−N+≡C−). Fulminate...
- 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)...
- 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...
- equilibrium with the minor tautomer HP(OH)2. Sometimes the minor tautomer is called hypophosphorous acid and the major tautomer is called phosphinic acid...
- class of molecules, purines, which include substituted purines and their tautomers. They are the most widely occurring nitrogen-containing heterocycles in...
- classified as a hard acid. Phenol exhibits keto-enol tautomerism with its unstable keto tautomer cyclohexadienone, but the effect is nearly negligible...