A Short Efficient Route to C2 Symmetric 1,1′,2,2′-Tetrasubstituted Ferrocenes

M. A. Carroll; D. A. Widdowson; D. J. Williams

doi:10.1055/s-1994-34977

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Synlett 1994; 1994(12): 1025-1026
DOI: 10.1055/s-1994-34977

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A Short Efficient Route to C₂ Symmetric 1,1′,2,2′-Tetrasubstituted Ferrocenes

M. A. Carroll^* , D. A. Widdowson, D. J. Williams

^*Department of Chemistry, Imperial College of Science Technology and Medicine, London, SW7 2AY

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Publication Date:
22 March 2002 (online)

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The C₂ symmetric bis-phosphinoferrocene (3), has been prepared in 52% overall yield from ferrocene by a sequence involving controlled lithiations of the ferrocene rings.

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