Photochemical hydrogen abstraction reaction of 2,6-dichloro-p-benzoquinone as studied by nuclear-spin-polarization-detected ESR spectroscopy

T. Azumi, K. Maeda, T. Aizawa, Y. Yamakage, K. Shindo, S. S. Ali, Y. Araki

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The nuclear-spin-polarization-detected ESR spectrum is observed for intermediate radicals generated during the hydrogen abstraction reaction of 2,6-dichloro-p-benzoquinone. SNP spectra for the radical pair and the DNP spectrum for the free radical were observed separately. Experimental spectra are analyzed with the aid of theoretically obtained SNP and DNP spectra, and the chemical species responsible for the radical pair and the free radical were determined. The time sequence of both the radical pair and free radicals were obtained. The radical pair exists in solution for about 400 ns.

Original languageEnglish
Pages (from-to)831-840
Number of pages10
JournalProceedings of the Indian Academy of Sciences - Chemical Sciences
Volume107
Issue number6
DOIs
Publication statusPublished - 1995 Dec

Keywords

  • 2,6-dichloro-p-benzoquinone
  • CIDNP
  • DNP
  • ESR
  • Nuclear spin polarization
  • SNP

ASJC Scopus subject areas

  • Chemistry(all)

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