Copper(II), nickel(II) and cobalt(III) complexes of the macrocyclic ligand C-meso-7,14-diphenyl-5,6-butano-12,13-butano-1,4,8,11-tetraazacyclotetradeca-4,11-diene

Robert W. Hay, Bakir Jeragh, Dharam P. Piplani, Kalman Hideg, Olga H. Hankovszky

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Abstract

Metal complexes of the macrocyclic tetraaza ligand C-meso-7,14-diphenyl-5,6-butano-12,13-butano-1,4,8,11-tetraazacyclotetradeca-4,11-diene (L) are described. The copper(II) and nickel(II) complexes, isolated as their perchlorate salts, are 4-coordinate species. Several cobalt(III) complexes, trans-[CoLX2]+(X = Cl-, Br-, NO2- or N3- have also been characterised. The most probable stereochemistry of the ligand in the metal complexes is the C-meso-N-meso arrangements of the chiral centres. The N-meso stereochemistry leads to the bulky phenyl groups lying in equatorial positions. I.r. and d-d spectra are reported for the various complexes described.

Original languageEnglish
Pages (from-to)234-236
Number of pages3
JournalTransition Metal Chemistry
Volume4
Issue number4
DOIs
Publication statusPublished - Aug 1 1979

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ASJC Scopus subject areas

  • Inorganic Chemistry
  • Metals and Alloys
  • Materials Chemistry

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