Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Circular Dichroism Spectra of Cobalt(III) Complexes of the [Co(O,O)2(N)2]-Type
Satoru MuramotoKenji KawaseMuraji Shibata
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1978 Volume 51 Issue 12 Pages 3505-3510

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Abstract

The [Co(O,O)2(N)2]-type complexes, [Co(ox)(mal)(en)], cis-[Co(CO3)(mal)(NH3)2], cis-[Co(ox)(mal)(NH3)2] and cis-[Co(mal)2(NH3)2], have been prepared and resolved. The CD spectra of various complexes of this type including these new complexes have been measured. The assignments of the absolute configurations have been carried out by means of the CD comparison. The CD patterns in the first absorption band region have revealed regular change with the varied O,O ligands (O,O=CO32−, ox2−, and mal2−), and from this fact a criterion for the assignments of the absolute configurations for the complexes of the present type has been established.

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