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Symmetrical and Mixed Tris(acyl)phosphines: Synthesis, Oxidation and Photochemistry.
Wiesner, Tanja; Neshchadin, Dmytro; Glotz, Gabriel; Gfader, Zeno; Schrader, Erik; Christen, Samuel; Fischer, Roland C; Kelterer, Anne-Marie; Gescheidt, Georg; Grützmacher, Hansjörg; Haas, Michael.
Afiliación
  • Wiesner T; Institute of Inorganic Chemistry, Graz University of Technology, Stremayrgasse 9/V, 8010, Graz, Austria.
  • Neshchadin D; Institute of Physical and Theoretical Chemistry, Graz University of Technology, Stremayrgasse 9/II, 8010, Graz, Austria.
  • Glotz G; Institute of Physical and Theoretical Chemistry, Graz University of Technology, Stremayrgasse 9/II, 8010, Graz, Austria.
  • Gfader Z; Institute of Inorganic Chemistry, Graz University of Technology, Stremayrgasse 9/V, 8010, Graz, Austria.
  • Schrader E; Laboratory of Inorganic Chemistry, ETH Zürich, Vladimir-Prelog-Weg 1-5/10, 8093, Zürich, Switzerland.
  • Christen S; Laboratory of Inorganic Chemistry, ETH Zürich, Vladimir-Prelog-Weg 1-5/10, 8093, Zürich, Switzerland.
  • Fischer RC; Institute of Inorganic Chemistry, Graz University of Technology, Stremayrgasse 9/V, 8010, Graz, Austria.
  • Kelterer AM; Institute of Physical and Theoretical Chemistry, Graz University of Technology, Stremayrgasse 9/II, 8010, Graz, Austria.
  • Gescheidt G; Institute of Physical and Theoretical Chemistry, Graz University of Technology, Stremayrgasse 9/II, 8010, Graz, Austria.
  • Grützmacher H; Laboratory of Inorganic Chemistry, ETH Zürich, Vladimir-Prelog-Weg 1-5/10, 8093, Zürich, Switzerland.
  • Haas M; Institute of Inorganic Chemistry, Graz University of Technology, Stremayrgasse 9/V, 8010, Graz, Austria.
Chemistry ; 29(67): e202302535, 2023 Dec 01.
Article en En | MEDLINE | ID: mdl-37701996
Herein, we present a convenient synthesis for symmetrical and mixed substituted tris(acyl)phosphines (TAPs) starting from red phosphorus. All TAPs exhibit a phosphaalkene-acylphosphine equilibrium, which was investigated in detail by variable-temperature (VT) NMR spectroscopy supported by density-functional theory (DFT) calculations. Depending on the substituents, two phosphaalkene derivatives and ten acylphosphine derivatives could be isolated. NMR spectroscopy and single-crystal X-ray crystallography enabled a clear structural assignment of these compounds. Oxidation of selected TAPs led to the formation of the corresponding tris(acyl)phosphine oxides (TAPOs). Furthermore, their spectroscopic properties as well as their photochemistry was investigated. Especially, the TAPO compounds were evaluated for their suitability as photoinitiators by CIDNP spectroscopy, photobleaching measurements and by storage stability tests.
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Texto completo: 1 Bases de datos: MEDLINE Idioma: En Revista: Chemistry Asunto de la revista: QUIMICA Año: 2023 Tipo del documento: Article País de afiliación: Austria
Texto completo
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Texto completo: 1 Bases de datos: MEDLINE Idioma: En Revista: Chemistry Asunto de la revista: QUIMICA Año: 2023 Tipo del documento: Article País de afiliación: Austria