1,1′,2,2′-Tetrakis(diphenylphosphino)-4,4′-di- tert-butylferrocene, a new cisoid arrangement of phosphino groups

The action of two equivalents of 1,2-bis(diphenylphosphino)-4- tert-butylcyclopentadienyllithium on FeCl 2 led to the corresponding 1,1′,2,2′-tetraphosphinoferrocene. The X-ray structure of this bulky ferrocene is described. The spectroscopic results reveal a conformational chirality with a cisoid d...

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Bibliographic Details
Published in:Journal of organometallic chemistry 2001-12, Vol.637, p.126-133
Main Authors: Broussier, Roland, Bentabet, Emmanuelle, Amardeil, Régine, Richard, Philippe, Meunier, Philippe, Kalck, Philippe, Gautheron, Bernard
Format: Article
Language:English
Subjects:
Arrangement
Cisoid
Group IX and X complexes
Phosphinoferrocene
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Summary:The action of two equivalents of 1,2-bis(diphenylphosphino)-4- tert-butylcyclopentadienyllithium on FeCl 2 led to the corresponding 1,1′,2,2′-tetraphosphinoferrocene. The X-ray structure of this bulky ferrocene is described. The spectroscopic results reveal a conformational chirality with a cisoid disposition of the phosphino groups. The first results about the complexation with representative elements of Group IX and X (Rh, Pd, Ir) are reported. A new ferrocene derivative with 1,1′,2,2′ arrangement of phosphino substituents has been synthesized and fully characterized. The coordination of the ferrocenyl tetraphosphine with Rh(I), Pd(II) and Ir(I) has been investigated.
ISSN:0022-328X
1872-8561
DOI:10.1016/S0022-328X(01)00883-X