Absolute rate constants for decarbonylation of phenylacetyl and related radicals

Nicholas J. Turro, Ian R. Gould, Bruce H. Baretz

Research output: Contribution to journalArticlepeer-review

137 Scopus citations


The rate constants and Arrhenius parameters for decarbonylation of phenylacetyl (C6H5CH2CO), phenylmethylacetyl (C6H5CHCH3ĊO), and phenyldimethylacetyl [C6H5C(CH3)2CO] radicals in isooctane have been determined by laser flash photolysis. The variation of the rate constant for decarbonylation follows the pattern expected from radical stabilities, but the activation energies do not. It is proposed that previously unrecognized conformational restrictions may be significant in determining decarbonylation rates.

Original languageEnglish (US)
Pages (from-to)531-532
Number of pages2
JournalJournal of physical chemistry
Issue number4
StatePublished - Jan 1 1983
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)
  • Physical and Theoretical Chemistry


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