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...
- 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...
- Examples of keto-enol tautomerism In organic chemistry, enols are a type of functional group or intermediate in organic chemistry containing a group with...
- interconvert between several structures via lactam–lactim tautomerism. Although the triol tautomer may have aromatic character, the keto form predominates...
- 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)...
- equilibrium with the minor tautomer HP(OH)2. Sometimes the minor tautomer is called hypophosphorous acid and the major tautomer is called phosphinic acid...
- different minimum-energy tautomers in different electronic states, and if the molecular structure of minimum-energy tautomer in the excited state is proton-transferred...
- class of molecules, purines, which include substituted purines and their tautomers. They are the most widely occurring nitrogen-containing heterocycles in...
- substituent replaced by hydrogen) is the parent sulfonic acid, HS(=O)2(OH), a tautomer of sulfurous acid, S(=O)(OH)2. Salts or esters of sulfonic acids are called...
- 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...