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Synthesis of planar chiral ferrocenyl cyclopentadienyl chelate ligand precursors

Anderson, JC; Grounds, H; Szaloki, G; (2013) Synthesis of planar chiral ferrocenyl cyclopentadienyl chelate ligand precursors. TETRAHEDRON-ASYMMETRY , 24 (17) 1023 - 1034. 10.1016/j.tetasy.2013.07.006. Green open access

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Abstract

Two families of planar chiral ferrocenyl cyclopentadienyl chelate ligands for use in ansa-half sandwich metallocene complexes of catalytically active transition metals are described. The first family was derived in 4–5 steps from an enzymatic resolution of 1-iodo-2-(methylalcohol)ferrocene and possesses a cyclopentadiene derivative [Cp(H) = 1-indenyl, 2-indenyl or Ph4Cp(H)] directly attached to the ferrocene ring with an adjacent vicinal tether CH2Z donor group (Z = OH, OMe, NHMe, NMe2 or PPh2). The second family was derived from a chiral auxiliary approach and has the donor group (Z = PPh2 or NMe2) attached directly to the ferrocene ring with an adjacent tether vicinal CH2Cp(H) group [Cp(H) = Cp(H), fluorenyl, 1-indenyl, Me4Cp(H) or Ph4Cp(H)].

Type: Article
Title: Synthesis of planar chiral ferrocenyl cyclopentadienyl chelate ligand precursors
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.tetasy.2013.07.006
Publisher version: http://dx.doi.org/10.1016/j.tetasy.2013.07.006
Additional information: �© 2013 Elsevier Ltd. All rights reserved. This work is licensed under a Creative Commons Attribution 3.0 Unported License.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry
URI: https://discovery.ucl.ac.uk/id/eprint/1410044
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