New 1,1′- or 1,2- or 1,3-bis(diphenylphosphino)ferrocenes

The syntheses of ferrocenyl phosphines with bulky substituents are reported using the reaction between FeCl 2 and the suitably substituted cyclopentadienyl salts, LiC 5H 3-1,3-(PPh 2) 2, LiC 5H 3-1-PPh 2-3- t Bu, LiC 5H 2-1,2-(PPh 2) 2-4- t Bu. This strategy leads to bi-, tri- and tetraphosphines, w...

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Bibliographic Details
Published in:Journal of organometallic chemistry 2000-04, Vol.598 (2), p.365-373
Main Authors: Broussier, Roland, Bentabet, Emmanuelle, Mellet, Patrick, Blacque, Olivier, Boyer, Patricia, Kubicki, Marek M., Gautheron, Bernard
Format: Article
Language:English
Subjects:
Ferrocene
Phosphine
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Summary:The syntheses of ferrocenyl phosphines with bulky substituents are reported using the reaction between FeCl 2 and the suitably substituted cyclopentadienyl salts, LiC 5H 3-1,3-(PPh 2) 2, LiC 5H 3-1-PPh 2-3- t Bu, LiC 5H 2-1,2-(PPh 2) 2-4- t Bu. This strategy leads to bi-, tri- and tetraphosphines, which cannot be obtained by the other access paths used to prepare substituted ferrocenes. [C 5H 3-1,3-(PPh 2) 2](C 5H 5)Fe, [C 5H 3-1-PPh 2-3- t Bu] 2Fe racemic and meso and [C 5H 2-1,2-(PPh 2) 2-4- t Bu](C 5H 5)Fe have been characterized by single-crystal X-ray diffraction studies.
ISSN:0022-328X
1872-8561
DOI:10.1016/S0022-328X(99)00736-6