Cobalt(III) complexes of ethylenediamine-N,N′-di-S-isobutylacetic acid

Jun Moo-Jin, Jinwoo Cheon, Lee Sung Sil, Choi Sung Rack

Research output: Contribution to journalArticle

Abstract

A new optically active ONNO-type tetradentate ligand, ethylenediamine-N,N′- di-S-isobutylacetate (SS-eniba), has been synthesized. During the preparation of diaqua cobalt(III) complexes of SS-eniba, [Co(SS-eniba)(H2O)2]+, the title ligand has coordinated stereospecifically to the cobalt(III) ion to give three isomers, Δ-s-cis, Δ-uns-cis and Λ-uns-cis, which have been isolated and characterized via electronic absorption, circular dichroism (CD), and 1H NMR spectroscopy, along with elemental analysis data. The preparation of Δ-s-cis-[Co(SS-eniba)Cl2]+ and Δ-s-cis-[Co(SS-eniba)CO3]+ are also reported.

Original languageEnglish
Pages (from-to)2889-2891
Number of pages3
JournalPolyhedron
Volume8
Issue number24
DOIs
Publication statusPublished - 1989 Jan 1

Fingerprint

ethylenediamine
Cobalt
cobalt
Ligands
preparation
ligands
acids
Acids
Dichroism
Circular Dichroism
Isomers
Nuclear magnetic resonance spectroscopy
dichroism
Magnetic Resonance Spectroscopy
isomers
Ions
nuclear magnetic resonance
Chemical analysis
electronics
spectroscopy

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Inorganic Chemistry
  • Physical and Theoretical Chemistry
  • Materials Chemistry

Cite this

Moo-Jin, Jun ; Cheon, Jinwoo ; Sung Sil, Lee ; Sung Rack, Choi. / Cobalt(III) complexes of ethylenediamine-N,N′-di-S-isobutylacetic acid. In: Polyhedron. 1989 ; Vol. 8, No. 24. pp. 2889-2891.
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abstract = "A new optically active ONNO-type tetradentate ligand, ethylenediamine-N,N′- di-S-isobutylacetate (SS-eniba), has been synthesized. During the preparation of diaqua cobalt(III) complexes of SS-eniba, [Co(SS-eniba)(H2O)2]+, the title ligand has coordinated stereospecifically to the cobalt(III) ion to give three isomers, Δ-s-cis, Δ-uns-cis and Λ-uns-cis, which have been isolated and characterized via electronic absorption, circular dichroism (CD), and 1H NMR spectroscopy, along with elemental analysis data. The preparation of Δ-s-cis-[Co(SS-eniba)Cl2]+ and Δ-s-cis-[Co(SS-eniba)CO3]+ are also reported.",
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Cobalt(III) complexes of ethylenediamine-N,N′-di-S-isobutylacetic acid. / Moo-Jin, Jun; Cheon, Jinwoo; Sung Sil, Lee; Sung Rack, Choi.

In: Polyhedron, Vol. 8, No. 24, 01.01.1989, p. 2889-2891.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Cobalt(III) complexes of ethylenediamine-N,N′-di-S-isobutylacetic acid

AU - Moo-Jin, Jun

AU - Cheon, Jinwoo

AU - Sung Sil, Lee

AU - Sung Rack, Choi

PY - 1989/1/1

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N2 - A new optically active ONNO-type tetradentate ligand, ethylenediamine-N,N′- di-S-isobutylacetate (SS-eniba), has been synthesized. During the preparation of diaqua cobalt(III) complexes of SS-eniba, [Co(SS-eniba)(H2O)2]+, the title ligand has coordinated stereospecifically to the cobalt(III) ion to give three isomers, Δ-s-cis, Δ-uns-cis and Λ-uns-cis, which have been isolated and characterized via electronic absorption, circular dichroism (CD), and 1H NMR spectroscopy, along with elemental analysis data. The preparation of Δ-s-cis-[Co(SS-eniba)Cl2]+ and Δ-s-cis-[Co(SS-eniba)CO3]+ are also reported.

AB - A new optically active ONNO-type tetradentate ligand, ethylenediamine-N,N′- di-S-isobutylacetate (SS-eniba), has been synthesized. During the preparation of diaqua cobalt(III) complexes of SS-eniba, [Co(SS-eniba)(H2O)2]+, the title ligand has coordinated stereospecifically to the cobalt(III) ion to give three isomers, Δ-s-cis, Δ-uns-cis and Λ-uns-cis, which have been isolated and characterized via electronic absorption, circular dichroism (CD), and 1H NMR spectroscopy, along with elemental analysis data. The preparation of Δ-s-cis-[Co(SS-eniba)Cl2]+ and Δ-s-cis-[Co(SS-eniba)CO3]+ are also reported.

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