Synthesis of diastereomeric bis(oxazoline) ligands derived from (S,S)-1,1′-bis(4-isopropyloxazolin-2-yl)ferrocene

Arthurs, Ross A. and Richards, Christopher J. ORCID: (2018) Synthesis of diastereomeric bis(oxazoline) ligands derived from (S,S)-1,1′-bis(4-isopropyloxazolin-2-yl)ferrocene. Synlett, 29 (5). pp. 585-588. ISSN 0936-5214

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Starting from (S,S)-1,1′-bis(4-isopropyloxazolin-2-yl)ferrocene, all possible 2-trimethylsilyl- and 2,2′-di(trimethylsilyl)-substituted diastereoisomers, potential bisoxazoline ligands for use in asymmetric catalysis, were synthesised by selective lithiation followed by addition of trimethylsilyl chloride. Access to the (S,S,R p,R p)-diastereoisomer was achieved following diastereoselective introduction of two deuterium-blocking groups and utilisation of the high k H/k D value for lithiation, methodology that was also applied to the synthesis of a related 2,2′-di(diphenylmethanol)bisoxazoline ligand.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
UEA Research Groups: Faculty of Science > Research Groups > Chemistry of Materials and Catalysis
Depositing User: LivePure Connector
Date Deposited: 05 Feb 2019 13:30
Last Modified: 22 Oct 2022 04:27
DOI: 10.1055/s-0036-1589163

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