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A direct approach to alpha-trifluoromethylamines
1Laboratoire de Synthèse Organique associé au CNRS, Ecole Polytechnique, 91128 Palaiseau, France.
Organic Letters
|July 19, 2003
Summary
A novel xanthate reagent efficiently adds to functionalized olefins through a radical chain reaction. This method provides a straightforward pathway to synthesize valuable trifluoroethyl-containing adducts.
Area of Science:
- Organic Chemistry
- Radical Chemistry
Background:
- Xanthates are versatile reagents in organic synthesis.
- Radical reactions offer unique pathways for C-C bond formation.
Purpose of the Study:
- To investigate the reactivity of a specific xanthate, S-[1-(N-Acetylamino)-2,2,2-trifluoroethyl]-O-ethyl dithiocarbonate, in addition reactions.
- To explore the utility of radical chain reactions for synthesizing functionalized adducts.
Main Methods:
- Utilizing S-[1-(N-Acetylamino)-2,2,2-trifluoroethyl]-O-ethyl dithiocarbonate as a radical precursor.
- Employing lauroyl peroxide as an initiator for a radical chain reaction.
- Reacting the xanthate with various functionalized olefins.
Main Results:
- Efficient addition of the xanthate to diverse functionalized olefins was achieved.
- The reaction proceeded effectively via a radical chain mechanism.
- Corresponding adducts containing the trifluoroethyl moiety were successfully synthesized.
Conclusions:
- S-[1-(N-Acetylamino)-2,2,2-trifluoroethyl]-O-ethyl dithiocarbonate is a valuable reagent for radical additions.
- Radical chain reactions provide an efficient route to trifluoroethyl-substituted compounds.