Solubility isotherm of reciprocal salt-pairs containing bis(ethylenediamine)oxalatocobalt(III) (1R,3S,4S,7R)-3-bromocamphor-9-sulfonate.

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概要

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• Four-component solubility isotherm of reciprocal salt-pairs consisting of (<I>Λ</I>-[Co(ox)(en)<SUB>2</SUB>]<SUP>+</SUP>, <I>Δ</I>-[Co(ox)(en)<SUB>2</SUB>]<SUP>+</SUP>)–(Cl<SUP>−</SUP>, <I>d</I>-C<SUB>10</SUB>H<SUB>14</SUB>OBrSO<SUB>3</SUB><SUP>−</SUP>)–H<SUB>2</SUB>O has been determined experimentally at 25 °C. It was found that a pseudoracemate, <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, is present as the only double salt, optical resolution of the bis(ethylenediamine)oxalatocobalt(III) ion in this system at 25 °C being impossible as in the case of the 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, at 25 °C.

• 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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