Measurement of solubilities for rhodium complexes and phosphine ligands in supercritical carbon dioxide

Measurement of solubilities for rhodium complexes and phosphine ligands in supercritical carbon dioxide

フォーマット:

論文

責任表示:

Shimoyama, Yusuke ; Sonoda, Masanori ; Miyazaki, Kaoru ; Higashi, Hidenori ; Iwai, Yoshio ; Arai, Yasuhiko

言語:

英語

出版情報:

2008-04-01

著者名:

掲載情報:

Journal of Supercritical Fluids

ISSN:

0896-8446

巻:

44

通号:

3

開始ページ:

266

終了ページ:

272

バージョン:

author

概要:

金沢大学大学院理工研究域自然システム学系<br />The solubilities of phosphine ligands and rhodium (Rh) complexes in supercritical carbon dioxide were measured with Fourier transform infrared (FT-IR) spectroscopy at 320 and 333 K and several pressures. Trip … henylphosphine (TPP) and tris(p-trifluoromethylphenyl)-phosphine (TTFMPP) were selected as ligands for the Rh complex. The solubilities of the fluorinated ligands and complexes were compared with those of the non-fluorinated compounds. The solubilities of ligand increased up to 10 times by the fluorination. It was found that the solubilities of Rh complexes were enhanced up to 30 times by introducing trifluoromethyl group to the ligand. The experimental data was correlated by the Chrastil equation. The correlated results were in good agreement with the experimental data. Furthermore, the solvation numbers of carbon dioxide around the ligands and Rh complexes were obtained from the slope of the Chrastil equation. The solvation number for the fluorinated compounds was about two and five times higher than those of the non-fluorinated ligand and complex, respectively. © 2007. 続きを見る

URL:

http://hdl.handle.net/2297/9658

タイトル・著者・出版者が同じ資料

詳細

主題:	Fluorination; Phosphine ligand; Rh complex; Solubility; Supercritical carbon dioxide
受理日:	2008-04-01

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