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Dive into the research topics where Toshiaki Taura is active.

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Featured researches published by Toshiaki Taura.


Inorganic and Nuclear Chemistry Letters | 1977

Association constants of Λ- and Δ-tris(ethylenediamine)cobalt (III) with antimony L-tartrate anion

Toshiaki Taura; Hiroshi Nakazawa; Hayami Yoneda

Abstract The ion association constants were determined in aqueous solution for the ion pairs, Λ- and Δ-[Co(en)3]3+ with antimony L-tartrate dianion, by utilizing circular dichhrosim (CD) measurements: KΛ = 46.6 ± 0.7 at 430 nm and 47.3 ± 0.6 at 455 nm for Λ-isomer; KΔ = 25.6 ± 0.9 at 430 nm and 26.8 ± 0.6 at 455 nm for Δ-isomer. It was found that the difference of the association constants for this system is considerably large in comparison with that for the L-tartrate system reported previously and this result is closely related to the chromatographic behaviors of these systems.


Bulletin of the Chemical Society of Japan | 1974

Effect of Ethanol on the Outer-sphere Association of Λ - or Δ -Tris(ethylenediamine)cobalt(III) with d -Tartrate Ions in Aqueous Solutions

Hayami Yoneda; Katsuhiko Miyoshi; Shingo Suzuki; Toshiaki Taura


Bulletin of the Chemical Society of Japan | 1990

Solvent influence on UV, 59Co, and 13C NMR of (Co(CN)6)3- and its solvation site.

Toshiaki Taura


Inorganic Chemistry | 1988

Carbon-13 nuclear magnetic resonance spectra of potassium (ethylenediaminetetraacetato)cobaltate(III) in organic solvents

Toshiaki Taura


Bulletin of the Chemical Society of Japan | 1975

Solubility of Transition Metal Complexes in Aqueous Salt Solutions. I. Tris(1,10-phenanthroline)iron(II) Perchlorate

Katsuhiko Miyoshi; Toshiaki Taura; Chiyori Shimada; Hayami Yoneda


Inorganic Chemistry | 1978

Stereoselectivity in ion-pair formation. 4. Stereochemical consideration about specific ion association between optically active (amino acidato)bis(ethylenediamine)cobalt(III) and tartrate ions

Toshiaki Taura; Hiromi Tamada; Hayami Yoneda


Bulletin of the Chemical Society of Japan | 1989

Solvent Influence on the Circular Dichroism Spectrum of Potassium Ethylenediaminetetraacetatocobaltate(III)

Toshiaki Taura


Bulletin of the Chemical Society of Japan | 1991

Spectrochemical Series for the Outersphere Coordination of Carboxylatocobaltate(III) Complexes with Solvent Molecules.

Toshiaki Taura


Bulletin of the Chemical Society of Japan | 1976

Proton magnetic resonance spectra of metal ammine complexes. VIII. Hydrogen isotopic exchange in the [Co(O)2(N)4]+ complex ions.

Toshiaki Taura; Ushio Sakaguchi; Hayami Yoneda


Chemistry Letters | 1984

EFFECTS OF SOLVENT MOLECULES ON THE d-d TRANSITION SPECTRUM OF POTASSIUM ETHYLENEDIAMINETETRAACETATOCOBALTATE(III)

Toshiaki Taura

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