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Oxidation of (η5-6-exo-cyclopentadienylcyclohexadienyl)- (η5-cyclopentadienyl) iron by trityl hexafluorophosphateby trityl hexafluorophosphate

  • Organometallic Chemistry
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Russian Chemical Bulletin Aims and scope

Abstract

Oxidation of the cyclohexadienyl complex Fe(η5-C5H5)(1-5-75-6-exo-C5H5-C6H6) (2) by (Ph3C)PF6 (CH2Cl2, from −30 to +20 °C) occurs as two concurrent processes: elimination of an H atom from the cyclohexadienyl ligand and replacement of an H atom in the cyclopentadienyl ring by a CPh3 fragment. A mixture of cationic complexes [Fe(η5-C5H5) (η6-Ph-C5H5]+ (1+) and [Fe(η5-C5H4CPh3) (η6-Ph-C5H5]+ (4+) (4 +) with PF6 − anions is obtained. Deprotonation of the mixture of 1+ and 4+ complexes under the action of ButOK inm-xylene followed by boiling of the reaction mixture gives phenylferrocene (7) as the product of η6:η6 haptotropic rearrangement.

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Authors and Affiliations

  1. A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 ul. Vavilova, 117813, Moscow, Russian Federation

    L. N. Novikova, I. V. Shchirina-Eingorn, N. A. Ustynyuk, P. V. Petrovskii & L. I. Denisovich

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  1. L. N. Novikova
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  2. I. V. Shchirina-Eingorn
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  3. N. A. Ustynyuk
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  4. P. V. Petrovskii
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  5. L. I. Denisovich
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Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, NO. 5, pp. 1045–1047, May, 1997.

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Novikova, L.N., Shchirina-Eingorn, I.V., Ustynyuk, N.A. et al. Oxidation of (η5-6-exo-cyclopentadienylcyclohexadienyl)- (η5-cyclopentadienyl) iron by trityl hexafluorophosphateby trityl hexafluorophosphate. Russ Chem Bull 46, 1007–1009 (1997). https://doi.org/10.1007/BF02496135

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  • DOI: https://doi.org/10.1007/BF02496135

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