Preparation and Characterization of the Diastereoisomers of the (S)- or (R)-1,2-Propanediaminebis(1,10-phenanthroline)cobalt(III) Ion

Four diastereoisomers of the type [Co(S- or (R-pn)(phen)2]3+ (pn=1,2-propanediamine; phen=1,10-phenanthroline) were prepared and characterized by absorption, circular dichroism (CD), and 1H NMR spectra. High stereoselectivity in the formation of the diastereoisomers was observed and the Λ-isomer of...

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Bibliographic Details
Published inBulletin of the Chemical Society of Japan Vol. 57; no. 5; pp. 1419 - 1420
Main Authors Tatehata, Akira, Natsume, Shigeru
Format Journal Article
LanguageEnglish
Published Tokyo The Chemical Society of Japan 01.05.1984
Chemical Society of Japan
Subjects
Chemistry
Coordination compounds
Exact sciences and technology
Inorganic chemistry and origins of life
Preparations and properties
Cationic complex
Nitrogen heterocycle
Cobalt III Complexes
Organic ligand
Transition metal Complexes
Tricyclic compound
Trivalent metal Complexes
Circular dichroism
Diamine
Complexes Mixed
Preparation
Aqueous solution
NMR spectrum
Diastereomer
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Summary:Four diastereoisomers of the type [Co(S- or (R-pn)(phen)2]3+ (pn=1,2-propanediamine; phen=1,10-phenanthroline) were prepared and characterized by absorption, circular dichroism (CD), and 1H NMR spectra. High stereoselectivity in the formation of the diastereoisomers was observed and the Λ-isomer of [Co(S-pn)(phen)2]3+ was formed in preference to the Δ-isomer.
ISSN:0009-2673
1348-0634
DOI:10.1246/bcsj.57.1419