tautomer

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tau·tom·er·ism

(tô-tŏm′ə-rĭz′əm)

Chemical isomerism characterized by facile interconversion of isomeric forms in equilibrium, especially by migration of a hydrogen atom.

[tauto- + (iso)merism.]

tau′to·mer (tô′tə-mər) n.

tau′to·mer′ic (tô′tə-mĕr′ĭk) adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

tautomer

(ˈtɔːtəmə)

(Elements & Compounds) either of the two forms of a chemical compound that exhibits tautomerism

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Translations

tautomère

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References in periodicals archive ?

5-bromo uracil has a greater tendency towards tautomerization as compared to uracil.

Solid-Supported Synthesis of N-alkylated Derivatives of 5-bromo pyrimidine-2, 4-dione and Study of their Cytotoxic Effect

The keto-enol tautomerization can be represented as followings:

Acetone Absorption in UV-Irradiated Polycarbonate

A process has been developed by which terminal alkynes undergo Markovnikov hydration followed by tautomerization without the use of a mercury catalyst.

Abstracts of Presentations at the 2017 (127th) Annual Meeting of the Tennessee Academy of Science

assumed that the reason of inequality in the formed peaks is due to (i) racemization of L-TPC during the derivatization reaction, (ii) kinetic resolution of the two enantiomers, and (iii) the difference in diastereoisomers' yields which were explained in terms of keto-enol tautomerization of the analytes.

Simultaneous Quantitative Determination of Synthetic Cathinone Enantiomers in Urine and Plasma Using GC-NCI-MS

tautomerization reactions, Waddington reactions etc.).

A Kinetic Modelling Study of Alcohols Operating Regimes in a HCCI Engine

Moreover, the bond length for C1-O1 is shorter than the normal C-O bond length (1.5 [Angstrom]) due to keto-enol tautomerization [2, 3].

Five-Coordinate Zinc(II) Complex: Synthesis, Characterization, Molecular Structure, and Antibacterial Activities of Bis-[(E)-2-hydroxy-N' -{1-(4-methoxyphenyl)ethylidene}benzohydrazido] dimethylsulfoxidezinc(II) Complex

The IR spectrum shows appearance of absorption band of C=O group for the amide at 1691 [cm.sup.-1], as well as the presence of OH-NH tautomerization at [delta] 7.1 ppm and 12 ppm.

Novel Thiazole Derivatives of Medicinal Potential: Synthesis and Modeling

Tridimensional structures of these two ligands, tautomerization and ionization at pH 7.4, were obtained by launching the LigPrep task of Schrodinger[C] Maestro.

Effects of Novel Nitric Oxide-Releasing Molecules against Oxidative Stress on Retinal Pigmented Epithelial Cells

Other reactions are mediated by tyrosinase-related protein (TRP1) and dopachrome tautomerase (DCT) that catalyze the tautomerization of indolene-2-carboxylic acid-5, 6-quinone or dopachrome and oxidation of 5,6-dihydroxylindole-2-carboxylic acid, respectively [10].

Upregulation of Mitf by Phenolic Compounds-Rich Cymbopogon schoenanthus Treatment Promotes Melanogenesis in B16 Melanoma Cells and Human Epidermal Melanocytes

By tautomerization of precursors of the product 5 an imine intermediate was formed.

Synthesis of 4-Triazolylamino- and 4-Benzothiazolylamino-3-nitro-2H-[1]-Benzopyran-2-ones and their Antimicrobial Activity

Finally, tautomerization of [delta] leads to formation of 3.

Characterization, cytotoxicity and antimicrobial studies of (Z)-2-(3-(butylamino)-4-oxopent-2-en-2-yl)-2-hydroxy-1H-indene 1,3(2H)-dione

The molecular structures of PSTM-3T polymer were modeled at different pH conditions with consideration of tautomerization and dissociation.

Molecular modeling of acidic treated PSTM-3T polymer for removal of heavy metal ions by experimental and computational studies

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