NDLI: Manganiophosphonium-Salze: Synthese, Eigenschaften und Struktur von Komplexen des Typs [CpMn(CO)(NO)PPh2H]BF4 und [Cp′Mn(CO)(NO)PPh2R]X (R = H, CH3, {CpMn(CO)(NO)}; X = BF4, PF6)

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Manganiophosphonium-Salze: Synthese, Eigenschaften und Struktur von Komplexen des Typs [CpMn(CO)(NO)PPh2H]BF4 und [Cp′Mn(CO)(NO)PPh2R]X (R = H, CH3, {CpMn(CO)(NO)}; X = BF4, PF6)

Content Provider	Scilit
Author	Rudolph, Stefan Geicke, Jan Lorenz, Ingo Peter Seifert, Thomas Polborn, Kurt Hörner, Manfredo
Copyright Year	2003
Abstract	The reaction of [Cp′Mn(CO)₂NO]X (Cp = C₅H₅, C₅H₄Me = Cp′; X =BF₄, PF₆) with PPh₂H leads to the formation of the diphenylmanganiophosphonium salts [{CpMn(CO)NO}PPh₂H]X, which can be deprotonated by DABCO to give the not isolable manganiophosphane {CpMn(CO)NO}PPh₂. This reactive intermediate, however, can be methylated by MeI and CF₃SO₃Me or organometallated by C₅H₅Fe(CO)₂Cl to yield the phosphonium salts [{Cp′Mn(CO)NO}PPh₂Me]PF₆ and [{Cp′Mn(CO)NO}PPh₂{C₅H₅Fe(CO)₂}]PF₆, respectively. The methyl derivative is deprotonated by ^πBuLi to give the unstable methylene phosphorane {Cp′Mn(CO)NO}PPh₂=CH₂, an organometallated phosphorus ylide. The in situ from [{Cp′Mn(CO)NO}PPh₂H]BF₄ generated phosphane {Cp′Mn(CO)NO}PPh₂ is oxidized by epoxycyclohexane to give the intermediate oxophosphorane {Cp′Mn(CO)NO}P(O)Ph₂, which reacts with the still available starting material to yield the first dimanganiodiphenylphosphonium salt [{Cp′Mn(CO)NO}₂PPh₂]BF₄. The compounds have been characterized by spectroscopic (IR, NMR, MS), analytical (C, H, N) and X-ray diffraction investigations ([{C₅H₅Mn(CO)NO}PPh₂H]BF₄, [{Cp′Mn(CO)NO}PPh₂Me]BF₆, [{Cp′Mn(CO)NO}₂PPh₂]-BF₄).
Related Links	http://www.degruyter.com/downloadpdf/j/znb.2003.58.issue-6/znb-2003-0611/znb-2003-0611.xml
Ending Page	562
Page Count	10
Starting Page	553
ISSN	09320776
e-ISSN	18657117
DOI	10.1515/znb-2003-0611
Journal	Zeitschrift für Naturforschung B
Issue Number	6
Volume Number	58
Language	English
Publisher	Walter de Gruyter GmbH
Publisher Date	2003-06-01
Access Restriction	Open
Subject Keyword	Zeitschrift Für Naturforschung B Inorganic Chemistry Ferrio Substituent Manganiophosphonium Salts Organometallated Phosphorus Journal: Zeitschrift für Naturforschung B, Vol- 58
Content Type	Text
Resource Type	Article
Subject	Chemistry

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