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Gradual Coordination and Reversible P-P Bond Activation of a P3 -Unit with Transition Metal Carbonyls.
Franz, Roman; Gál, Dalma; Bruhn, Clemens; Kelemen, Zsolt; Pietschnig, Rudolf.
Afiliación
  • Franz R; Institute for Chemistry and CINSaT, University of Kassel, Heinrich-Plett-Straße 40, 34132, Kassel, Germany.
  • Gál D; Department of Inorganic and Analytical Chemistry, Budapest University of Technology and Economics, Muegyetem Rkp 3., Budapest, 1111, Hungary.
  • Bruhn C; Institute for Chemistry and CINSaT, University of Kassel, Heinrich-Plett-Straße 40, 34132, Kassel, Germany.
  • Kelemen Z; Department of Inorganic and Analytical Chemistry, Budapest University of Technology and Economics, Muegyetem Rkp 3., Budapest, 1111, Hungary.
  • Pietschnig R; Institute for Chemistry and CINSaT, University of Kassel, Heinrich-Plett-Straße 40, 34132, Kassel, Germany.
Adv Sci (Weinh) ; 11(11): e2306805, 2024 Mar.
Article en En | MEDLINE | ID: mdl-38161225
ABSTRACT
Coordination of a stereochemically defined P3 -chain to a series of transition metal carbonyls [M(CO)x ]z- (M = Mn (x = 5, z = 1), Fe (x = 4, z = 2) or Co (x = 4, z = 1)) is explored using a [3]ferrocenophane scaffold. A gradual transition from η1 -, η2 - to Î·3 -coordination is observed where in the η2 -mode the terminal positions of the phosphorus chain are bridged. With an excess of cobalt carbonyl successive P-P bond activation and gradual separation of the central phosphorus atoms from the phosphorus chain has been observed. This process is reversible and with suitable reagents such as methyl lithium, the P3 -unit is regenerated in stereospecific manner. The bonding situation and steps of the gradual P-P bond activation are investigated by DFT calculations as well as experimental methods (e.g., NMR spectroscopy, X-ray crystallography).
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Adv Sci (Weinh) Año: 2024 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Alemania
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Adv Sci (Weinh) Año: 2024 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Alemania