Nuclear-spin polarization in electron-transfer reactions of amines

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Chemically induced dynamic nuclear polarization (CIDNP) observed during electron transfer (ET) reactions of tertiary amines such as DABCO (1) or Et 3N (2) with a wide range of electron acceptors support the involvement of amine radical-cations (e.g., 1.+ or 2.+) as key intermediates. Radical ions such as 2.+ may be deprotonated, generating neutral aminoalkyl radicals (e.g., 2.). When generated by reaction with an electron acceptor of energetically low triplet state such as naphthalene (1Naph*), the resulting pair 2.+/ Naph.- reacts mostly by reverse electron transfer (RET) from triplet pairs populating the naphthalene triplet state.

Original languageEnglish (US)
Pages (from-to)2847-2860
Number of pages14
JournalHelvetica Chimica Acta
Issue number12
StatePublished - 2006

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Biochemistry
  • Drug Discovery
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry


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