Diastereoselective synthesis of planar chiral cobalt metallocene based oxazoline platinacycles

Gunay, M. E., Hughes, David and Richards, C. J. (2011) Diastereoselective synthesis of planar chiral cobalt metallocene based oxazoline platinacycles. Organometallics, 30 (14). pp. 3901-3904. ISSN 0276-7333

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Abstract

Reaction of (eta(5)-(S)-2-(4-methylethyl)oxazolinyl-cyclopentadienyl)(eta(4)-tetraph enylcyclobutadiene)cobalt with cis-bis(dimethylsulfoxide)dichloroplatinum gave a 4.7:1 ratio of diastereomeric platinacycles, and the S,R(p)-configuration of the major isomer was determined by X-ray crystallography. The same reaction on the corresponding t-Bu-substituted oxazoline derivative proceeded with a 5.6:1 selectivity, with the S,R(p)-configuration of the major isomer determined by circular dichroism. Dimethylsulfoxide- and triphenylphosphine-ligated complexes are inactive as catalysts for the allylic imidate rearrangement of a trichloroacetimidate.

Item Type:	Article
Additional Information:	Guenay, M. Emin Hughes, David L. Richards, Christopher J.
Faculty \ School:	Faculty of Science > School of Chemistry (former - to 2024)
UEA Research Groups:	Faculty of Science > Research Groups > Synthetic Chemistry (former - to 2017) Faculty of Science > Research Groups > Chemistry of Materials and Catalysis
Depositing User:	Rachel Smith
Date Deposited:	21 Feb 2012 11:30
Last Modified:	06 Feb 2025 01:45
URI:	https://ueaeprints.uea.ac.uk/id/eprint/37271
DOI:	10.1021/om200353n

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