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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 34, Number 2
JKCSEZ 34(2)
April 20, 1990

Title	Stereoselective Electron Transfer and Ionic Association between γ-[Co(EDDS)]- and [Co(en)3]2+ Ion 광학활성인 Λ-[Co(EDDS)]-와 [Co(en)3]2+간의 입체선택적 전자전달 및 이온회합
Author	Dong-Jin Lee, Chang-Eon Oh, Myung-Ki Doh 이동진, 오창언, 도명기
Keywords
Abstract	광학활성인 [Co(EDDS)]- (EDDS = ethylenediaminedisuccinate) 착물의 절대구조는 옥탄트규칙과 분광학적인 자료에 따라 Λ-형임을 확인하였고, 절대구조가 확인된 Λ-[Co(EDDS)]- 와 라세미체-[Co(en)3]3+ 간의 입체선택적 이온회합에서는 Λ-[Co(EDDS)]- 와 Δ-[Co(en)3]3+간의 이온회합이 우선적으로 일어남을 조사하였다. 아울러 Λ-[Co(EDDS)]- 와 라세미체-[Co(en)3]2+간의 입체선택적 전자전달반응에서는 착물간의 입체선택적 이온회합에 따라 Δ[Co(en)3]3+가 14% e.e (e.e = enantiomeric excess)로 생성되었다. 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.
Page	159 - 164
Full Text	PDF

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