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Formation of Mono Oxo Molybdenum(IV) PNP Pincer Complexes: Interplay between Water and Molecular Oxygen.
de Aguiar, Sara R M M; Öztopcu, Özgür; Troiani, Anna; de Petris, Giulia; Weil, Matthias; Stöger, Berthold; Pittenauer, Ernst; Allmaier, Günter; Veiros, Luis F; Kirchner, Karl.
Afiliación
  • de Aguiar SRMM; Institute of Applied Synthetic Chemistry Vienna University of Technology Getreidemarkt 9 1060 Vienna Austria.
  • Öztopcu Ö; Institute of Applied Synthetic Chemistry Vienna University of Technology Getreidemarkt 9 1060 Vienna Austria.
  • Troiani A; Dipartimento di Chimica e Tecnologie del Farmaco Università di Roma "La Sapienza" P. le Aldo Moro 5 00185 Roma Italy.
  • de Petris G; Dipartimento di Chimica e Tecnologie del Farmaco Università di Roma "La Sapienza" P. le Aldo Moro 5 00185 Roma Italy.
  • Weil M; Institute of Chemical Technologies and Analytics Vienna University of Technology Getreidemarkt 9 1060 Vienna Austria.
  • Stöger B; X-ray Center Vienna University of Technology Getreidemarkt 9 1060 Vienna Austria.
  • Pittenauer E; Institute of Chemical Technologies and Analytics Vienna University of Technology Getreidemarkt 9 1060 Vienna Austria.
  • Allmaier G; Institute of Chemical Technologies and Analytics Vienna University of Technology Getreidemarkt 9 1060 Vienna Austria.
  • Veiros LF; Centro de Química Estrutural Instituto Superior Técnico Universidade de Lisboa Av. Rovisco Pais No. 1 1049-001 Lisboa Portugal.
  • Kirchner K; Institute of Applied Synthetic Chemistry Vienna University of Technology Getreidemarkt 9 1060 Vienna Austria.
Eur J Inorg Chem ; 2018(7): 876-884, 2018 Feb 21.
Article en En | MEDLINE | ID: mdl-31057330
The synthesis of cationic mono oxo MoIV PNP pincer complexes of the type [Mo(PNPMe-iPr)(O)X]+ (X = I, Br) from [Mo(PNPMe-iPr)(CO)X2] is described. These compounds are coordinatively unsaturated and feature a strong Mo≡O triple bond. The formation of these complexes proceeds via cationic 14e intermediates [Mo(PNPMe-iPr)(CO)X]+ and requires both molecular oxygen and water. ESI MS measurements with 18O labeled water (H2 18O) and molecular oxygen (18O2) indicates that water plays a crucial role in the formation of the Mo≡O bond. A plausible mechanism based on DFT calculations is provided. The X-ray structure of [Mo(PNPMe-iPr)(O)I]SbF6 is presented.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Eur J Inorg Chem Año: 2018 Tipo del documento: Article Pais de publicación: Alemania
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Eur J Inorg Chem Año: 2018 Tipo del documento: Article Pais de publicación: Alemania