A warning on the use of radical traps as a test for radical mechanisms: They react with palladium hydrido complexes

Ana C. Albéniz, Pablo Espinet, Raquel López-Fernández, Ayusman Sen

Research output: Contribution to journalArticle

98 Scopus citations

Abstract

Typical radical traps (galvinoxyl, TEMPO, DPPH) react with palladium hydrides, sometimes at rates competitive with those of palladium hydride catalyzed reactions that follow an insertion mechanism (for example, alkene isomerization). Thus, positive results for radical reaction tests can be misleading. The complexes with more polarizable (neutral complexes rather than cationic) and more accessible hydrides, and the less sterically protected radical traps, react faster.

Original languageEnglish (US)
Pages (from-to)11278-11279
Number of pages2
JournalJournal of the American Chemical Society
Volume124
Issue number38
DOIs
StatePublished - Sep 25 2002

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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