Preparation and solid-phase thermal reactions of hexaamminechromium(III) amino polycarboxylates under quasiisothermal and -isobaric conditions.

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概要

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• The following hexaamminechromium(III) amino polycarboxylates were prepared: [Cr(NH<SUB>3</SUB>)<SUB>6</SUB>]Naedta·3H<SUB>2</SUB>O, [Cr(NH<SUB>3</SUB>)<SUB>6</SUB>]Napdta·6H<SUB>2</SUB>O, [Cr(NH<SUB>3</SUB>)<SUB>6</SUB>]HK<SUB>3</SUB>Cl(nta)<SUB>2</SUB>·2H<SUB>2</SUB>O and [Cr(NH<SUB>3</SUB>)<SUB>6</SUB>]KCl(nta)·2H<SUB>2</SUB>O, where edta, pdta and nta denote ethylenediaminetetraacetate, propylenediaminetetraacetate and nitrilotriacetate ions, respectively. Their thermal reactions in the solid-phase were examined by Q-derivatography (quasi-closed system; quasi-isothermal and -isobaric conditions) and D-derivatography (open system; dynamic conditions). The reactions in open system were too complicated to yield uniform intermediates. On the other hand, each reaction step in the quasi-closed system was definite and reproducible, the products obtained in each reaction step being remarkably pure.

• 公益社団法人 日本化学会の論文

著者

• Uehara Akira

  Department Of Chemistry Faculty Of Science Kanazawa University

• Tsuchiya Ryokichi

  Department of Chemistry, Faculty of Science, Kanazawa University

• Kobayashi Kazuhiko

  Department of Chemistry, Faculty of Science, Kanazawa University

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