
Journal of Organometallic Chemistry p. 157 - 166 (1993)
Update date:2022-07-31
Topics:
Barras, Jean-Pierre
Davies, Stephen G.
Metzler, Michael R.
Edwards, Alison J.
Humphreys, Vanessa M.
Prout, Keith
(RS)-<η5-C5Me5)Fe(CO)(PPh3)COMe> (1) was synthesised from <(η5-C5Me5)Fe(CO)2>2 (3) in three steps with an overall yield of 28percent.The lithium enolate from 1 was alkylated with methyl iodide and benzyl bromide to give 11 and 12 in 94 and 97percent yields respectively.The corresponding diethylaluminium enolate derived from 1 reacted with high stereoselectivity with benzaldehyde whereas no selectivity was observed with the lithium enolate.A single crystal X-ray structure analysis of (RS)-<(η5-C5Me5)Fe(CO)(PPh3)COCH2CH2Ph> (12) is reported.
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