- proton tautomerism
- tautomerism in which an acidic proton is transferred from one position to another in the same molecule, e.g., keto-enol tautomerism. Called also prototropy.
Medical dictionary. 2011.
proton tautomerism
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keto-enol tautomerism — tautomerism between two compounds, one an enol and the other a ketone, that equilibrate by transfer of a proton. The keto form usually predominates except where the enol form is stabilized by conjugation with other double bonds … Medical dictionary
Keto-enol tautomerism — In organic chemistry, keto enol tautomerism refers to a chemical equilibrium between a keto form (a ketone or an aldehyde) and an enol. The enol and keto forms are said to be tautomers of each other. The interconversion of the two forms involves… … Wikipedia
keto-enol tautomerism — /ˌkitoʊ ˌinɒl tɔˈtɒmərɪzəm/ (say .keetoh .eenol taw tomuhrizuhm) noun a type of tautomerism involving migration of a proton, in which, at any instant, the individual molecules are present in the mixture as either a keto form or an enol …
prototropy — pro·tot·ro·py prō tä trə pē n, pl pies tautomerism involving the migration of a proton esp. to a location three atoms distant in an organic molecule compare ANIONOTROPY, CATIONOTROPY pro·to·tro·pic .prōt ə trō pik adj … Medical dictionary
Tautomer — Tautomers are organic compounds that are interconvertible by a chemical reaction called tautomerization. As most commonly encountered, this reaction results in the formal migration of a hydrogen atom or proton, accompanied by a switch of a single … Wikipedia
2-Pyridone — Chembox new Name = 2 Pyridone ImageFile = 2 pyridone.svg ImageName = 2 Pyridone IUPACName = 2 Pyridone OtherNames = 2(1H) Pyridinone, 2(1H) Pyridone, 1 H Pyridine 2 one, 1,2 Dihydro 2 oxopyridine, 1H 2 Pyridone, 2 Oxopyridone, 2 Pyridinol, 2… … Wikipedia
acid–base reaction — ▪ chemistry Introduction a type of chemical process typified by the exchange of one or more hydrogen ions, H+, between species that may be neutral (molecules, such as water, H2O; or acetic acid, CH3CO2H) or electrically charged (ions, such… … Universalium
Tautomerie — Die Tautomerie (von gr. tautó = das Gleiche; gr. meros = der Anteil) bezeichnet in der Chemie eine besondere Form der Isomerie. Sie wurde 1876 von Alexander Michailowitsch Butlerow (1828–1886) entdeckt und 1885 von Conrad Peter Laar als Begriff… … Deutsch Wikipedia
Heinz Falk — Infobox Person name = Heinz Falk image size = 180px caption = Heinz Falk nationality = AUT residence= Linz, Austria birth date = birth date and age|1939|04|29 birth place = Sankt Pölten, Austria death date = death place = occupation = Professor… … Wikipedia
Acid dissociation constant — Acetic acid, a weak acid, donates a proton (hydrogen ion, high … Wikipedia
