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KMID : 1059519900340020159
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Journal of the Korean Chemical Society
1990 Volume.34 No. 2 p.159 ~ p.164
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Stereoselective Electron Transfer and Ionic Association between γ-[Co(EDDS)]- and [Co(en)3]2+ Ion
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Lee Dong-Jin
Oh Chang-Eon
Doh Myung-Ki
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Abstract
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Absolute configuration of optically active [Co(EDDS)]- (EDDS = ethylenediaminedisuccinate) complex was determined as Λ-form by octant rule and spectroscopic data, and the stereoselective ionic association of Λ-[Co(EDDS)]- and racemic-[Co(en)3]3+ occurs preferrentially between Λ-[Co(EDDS)]- and Δ-[Co(en)3]3+. The stereoselective electron-transfer reaction between Λ-[Co(EDDS)]- and racemic-[Co(en)3]2+ has produced 14% e.e (e.e = enantiomeric excess) of Δ[Co(en)3]3+ through the stereoselective ion pairing.
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