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  1. Tautomer - Wikipedia

    Most common tautomers exist in pairs, which means that the hydrogen is located at one of two positions, and even more specifically the most common form involves a hydrogen changing …

  2. Stereochemistry, Isomerism & Equilibria - Britannica

    Tautomerism, the existence of two or more chemical compounds that are capable of facile interconversion, in many cases merely exchanging a hydrogen atom between two other …

  3. 9.4.2. Tautomers - Chemistry LibreTexts

    Tautomers are two molecules with the same molecular formula but different connectivity - constitutional isomers, in other words - which can interconvert in a rapid equilibrium.

  4. What is Tautomerism and Why Is It Important? - Biology Insights

    Jul 23, 2025 · Tautomerism is a type of structural isomerism where two distinct molecules, called tautomers, readily interconvert. This interconversion is a dynamic chemical equilibrium, …

  5. Tautomerism- Definition, Concept, Conditions and Types.

    Tautomerism, introduced by Laar, refers to a special type of isomerism, where two or more structural isomers (known as tautomers) exist in dynamic equilibrium. This process involves …

  6. Tautomerism | Definition, Types, Mechanism & Examples

    Mar 19, 2024 · Tautomers are constitutional isomers that are readily interconvertible. These are differentiated based on the placement of a labile hydrogen atom and the position of the double …

  7. What Is Tautomerism? - BYJU'S

    The two structures are called tautomers, and these types of isomer compounds usually differ only in the number of electrons and protons. They also exist in dynamic equilibrium.

  8. Tautomer - an overview | ScienceDirect Topics

    Tautomers are structural isomers (constitutional isomers) of chemical compounds that readily interconvert each other, by a reaction of relocating a proton (tautomerization).

  9. Keto-Enol Tautomerism : Key Points - Master Organic Chemistry

    Jun 21, 2022 · Constitutional isomers that are in equilibrium are called “tautomers”. The enol tautomer is nucleophilic on the carbon adjacent to the C-OH bond (the “alpha-carbon”) and …

  10. IUPAC - tautomerism (T06252)

    where the isomers (called tautomers) are readily interconvertible; the atoms connecting the groups X, Y, Z are typically any of C, H, O or S, and G is a group which becomes an …