The synthesis of chiral ferrocene ligands and their metal complexes

Michael C.B. Colbert, Jack Lewis, Nicholas J. Long, Paul R. Raithby, David A. Bloor, Graham H. Cross

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17 Citations (SciVal)


Starting from the well-known N,N-dimethylaminoethylferrocene (1) {or N,N-dimethyl(1-ferrocenylethyl)amine}, further substitution of the cyclopentadienyl ring in an adjacent position enables formation of -iodo (2), -trimethylsilylethynyl (3) and -ethynyl (4) derivatives in good yields. From 4, fac-[manganese1,2-bis(diphenylphosphinomethane)(tricarbonyl)acetylide] (5), trans-[rutheniumdi(1,2-bis(diphenylphosphinomethane))chloro-acetylide] (6) and trans-[osmiumdi(1,2-bis(diphenylphosphinomethane))chloro-acetylide] (7) have been synthesised and characterised. Electrochemical experiments in solution indicate that there is a decrease in polarisation and a decrease in the degree of metal-to-metal interaction in the chiral ferrocenyl metal-acetylides as opposed to the non-chiral analogues. Second harmonic generation (Kurtz powder) measurements are reported on the chiral metal complexes, but unfortunately negligible second-order non-linear activity was observed.

Original languageEnglish
Pages (from-to)183-190
Number of pages8
JournalJournal of Organometallic Chemistry
Issue number1-2
Publication statusPublished - 15 Mar 1997

Bibliographical note

Funding Information:
We thank the EPSRC, the British Council, the Euro-poan Commission (BR1TE Network) for financial support and Drs. Lesley Yellowlees and Anthony Kucemak for helpful discussions.

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry
  • Materials Chemistry


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