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Reaction of Iron‐ and Tungsten Carbonyls with a Zwitterionic Fulvalene
Author(s) -
Schmid Dominic,
Seyboldt Alexander,
Kunz Doris
Publication year - 2015
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.201500564
Subject(s) - cyclopentadienyl complex , tungsten , chemistry , moiety , photochemistry , metal carbonyl , iron pentacarbonyl , polymer chemistry , crystallography , inorganic chemistry , stereochemistry , metal , organic chemistry , catalysis
The highly dipolar fulvalene 1 reacts with pentacarbonyl iron(0) and hexacarbonyl tungsten(0) complexes under irradiation with UV light. The cyclopentadienyl complexes 2 and 3 formed are analysed by means of NMR and IR spectroscopy as well as X‐ray analysis. They are the first zwitterionic carbonyl complexes of fulvenes or fulvalenes. In the case of iron, the dinuclear complex 2 consisting of a dicarbonyliron(+I)‐tetracarbonylferrat(–I) moiety is formed, whereas in the case of tungsten, the mononuclear tricarbonyl tungsten(0) complex 3 is obtained.
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