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, K. 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 1979

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Stereochemistry
Coordination Complexes
Metal complexes
Cobalt
Nickel
Copper
Ligands
Salts
diphenyl
perchlorate

ASJC Scopus subject areas

  • Inorganic Chemistry

Cite this

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. / Hay, Robert W.; Jeragh, Bakir; Piplani, Dharam P.; Hideg, K.; Hankovszky, Olga H.

In: Transition Metal Chemistry, Vol. 4, No. 4, 08.1979, p. 234-236.

Research output: Contribution to journalArticle

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AU - Hay, Robert W.

AU - Jeragh, Bakir

AU - Piplani, Dharam P.

AU - Hideg, K.

AU - Hankovszky, Olga H.

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N2 - 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.

AB - 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.

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