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Deoxygenation: Wikis

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From Wikipedia, the free encyclopedia

Deoxygenation is a chemical reaction involving the removal of molecular oxygen (O2) from a reaction mixture or solvent, or the removal of oxygen atoms from a molecule.

Classic representatives of deoxygenation are:

A chemical reagent for the deoxygenation of many sulfur and nitrogen oxo compounds is the trifluoroacetic anhydride / sodium iodide combination [1] for example in the deoxygenation of the sulfoxide diphenylsulfoxide to the sulfide diphenylsulfide:

Sulfoxide deoxygenation

The reaction mechanism is based on activation of the sulfoxide by a trifluoroacetyl group and oxidation of iodine. Iodine is formed quantitatively in this reaction and therefore the reagent is used for the analytical detection of many oxo compounds.

TFAA NaI deoxygenation mechanism

See also

References

  1. ^ Trifluoroacetic anhydride-sodium iodide reagent. Nature and applications Arkivoc 2007 (JE-2136MR) Zbigniew H. Kudzin, Marcin H. Kudzin, Józef Drabowicz, and Andrzej Kotyński Link

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