Temperature dependence of the optical resolution and solubility isotherm of bis(ethylenediamine)oxalatocobalt(III) (1R,3S,4S,7R)-3-bromocamphor-9-sulfonate.

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概要

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• The determination of solubility isotherm of a ternary system, <I>Λ</I>-[Co(ox)(en)<SUB>2</SUB>](<I>d</I>-C<SUB>10</SUB>H<SUB>14</SUB>OBrSO<SUB>3</SUB>)–<I>Δ</I>-[Co(ox)(en)<SUB>2</SUB>](<I>d</I>-C<SUB>10</SUB>H<SUB>14</SUB>OBrSO<SUB>3</SUB>)–H<SUB>2</SUB>O, between 5 and 25 °C, revealed that the resolving agent (1<I>R</I>,3<I>S</I>,4<I>S</I>,7<I>R</I>)-3-bromocamphor-9-sulfonate ion is applicable to the optical resolution of the [Co(ox)(en)<SUB>2</SUB>]<SUP>+</SUP> ion below 19 °C from the viewpoint of solubility in water, in spite of the formation of a pseudo racemic compound, <I>Λ</I>-[Co(ox)(en)<SUB>2</SUB>]·<I>Δ</I>-[Co(ox)(en)<SUB>2</SUB>] (<I>d</I>-C<SUB>10</SUB>H<SUB>14</SUB>OBrSO<SUB>3</SUB>)<SUB>2</SUB>·2H<SUB>2</SUB>O.

• 公益社団法人 日本化学会の論文

著者

• Fuyuhiro Akira

  Department Of Chemisry Faculty Of Science Osaka University

• Yamanari Kazuaki

  Department Of Chemisry Faculty Of Science Osaka University

• Shimura Yoichi

  Department of Chemistry Faculty of Science Osaka University

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