Deprotonation of indene–tricarbonylchromium with KH in tetrahydrofuran at –40 °C gives the η6-tricarbonylchromium–indenyl anion which reacts with [Rh(CI)COD]2(COD = cyclo-octa-1,5-diene) to form [η6-Cr(CO)3-indenyl-η3-rhodium-η4- COD]; the same bimetallic complex is obtained by reaction of the rhodium dimer with the isomeric η5-indenyl-tricarbonylchromium anion.
Metal stabilized carbanions XII. Intramolecular Cr(CO)3 migration from a phenyl to a cyclopentadienyl ring through a σ-bond
CECCON, ALBERTO;SANTI, SAVERIO;
1989
Abstract
Deprotonation of indene–tricarbonylchromium with KH in tetrahydrofuran at –40 °C gives the η6-tricarbonylchromium–indenyl anion which reacts with [Rh(CI)COD]2(COD = cyclo-octa-1,5-diene) to form [η6-Cr(CO)3-indenyl-η3-rhodium-η4- COD]; the same bimetallic complex is obtained by reaction of the rhodium dimer with the isomeric η5-indenyl-tricarbonylchromium anion.
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