Catalyzed autoxidation of azide by cobalt(II) (2,3,9,10-tetramethyl-1,4,8,11-tetraazacyclotetradeca-1,3,8,10-tetraene)2+

Ela Solomon-Rapaport, Alexandra Masarwa, Haim Cohen, Dan Meyerstein

Research output: Contribution to journalArticlepeer-review

Abstract

The catalytic autoxidation of azide by Co(tim)2+ was studied. In the presence of dioxygen Co(tim)(H2O)22+ (tim = 2,3,9,10-tetramethyl-1,4,8,11-tetraazacyclotetradeca-1,3,8,10-tetraene) reacts with azide in a complex process to produce Co(tim)(N3)(x)/((3-x))+ (x = 1 or 2) (λ(max) at 340 nm) and dinitrogen. The reaction is clearly catalytic with up to several hundred turnovers. The dioxygen dependence of the reaction implies the involvement of an oxygen adduct, stabilized by an axial azide ligand. (C) 2000 Elsevier Science S.A.

Original languageEnglish
Pages (from-to)42-47
Number of pages6
JournalInorganica Chimica Acta
Volume307
Issue number1-2
DOIs
StatePublished - 11 Sep 2000

Keywords

  • Azamacrocyle complexes
  • Azide
  • Catalyzed autoxidation
  • Cobalt complexes
  • Dioxygen

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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