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  2. Free-radical reaction - Wikipedia

    en.wikipedia.org/wiki/Free-radical_reaction

    A free-radical reaction is any chemical reaction involving free radicals.This reaction type is abundant in organic reactions.Two pioneering studies into free radical reactions have been the discovery of the triphenylmethyl radical by Moses Gomberg (1900) and the lead-mirror experiment [1] described by Friedrich Paneth in 1927.

  3. Radical (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Radical_(chemistry)

    In radical elimination, an unstable radical compound breaks down into a spin-paired molecule and a new radical compound. Shown below is an example of a radical elimination reaction, where a benzoyloxy radical breaks down into a phenyl radical and a carbon dioxide molecule. [7] A radical elimination reaction of a benzoyloxy radical

  4. Free-radical addition - Wikipedia

    en.wikipedia.org/wiki/Free-radical_addition

    In organic chemistry, free-radical addition is an addition reaction which involves free radicals. These reactions can happen due to the free radicals having an unpaired electron in their valence shell, making them highly reactive. [1] Radical additions are known for a variety of unsaturated substrates, both olefinic or aromatic and with or ...

  5. Autoxidation - Wikipedia

    en.wikipedia.org/wiki/Autoxidation

    The common mechanism is a free radical chain reaction, where the addition of oxygen gives rise to hydroperoxides and their associated peroxy radicals (ROO•). [5] Typically, an induction period is seen at the start where there is little activity; this is followed by a gradually accelerating take-up of oxygen, giving an autocatalytic reaction ...

  6. Free-radical theory of aging - Wikipedia

    en.wikipedia.org/wiki/Free-radical_theory_of_aging

    The free radical theory of aging states that organisms age because cells accumulate free radical damage over time. [1] A free radical is any atom or molecule that has a single unpaired electron in an outer shell. [2] While a few free radicals such as melanin are not chemically reactive, most biologically relevant free radicals are highly ...

  7. Free-radical halogenation - Wikipedia

    en.wikipedia.org/wiki/Free-radical_halogenation

    In organic chemistry, free-radical halogenation is a type of halogenation. This chemical reaction is typical of alkanes and alkyl-substituted aromatics under application of UV light. The reaction is used for the industrial synthesis of chloroform (CHCl 3), dichloromethane (CH 2 Cl 2), and hexachlorobutadiene. It proceeds by a free-radical chain ...

  8. Organic reaction - Wikipedia

    en.wikipedia.org/wiki/Organic_reaction

    Factors governing organic reactions are essentially the same as that of any chemical reaction.Factors specific to organic reactions are those that determine the stability of reactants and products such as conjugation, hyperconjugation and aromaticity and the presence and stability of reactive intermediates such as free radicals, carbocations and carbanions.

  9. Category:Free radical reactions - Wikipedia

    en.wikipedia.org/.../Category:Free_radical_reactions

    Pages in category "Free radical reactions" The following 25 pages are in this category, out of 25 total. This list may not reflect recent changes. ...