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Synthesis and use of alpha-silyl-substituted alpha-hydroxyacetic acids
Carsten Bolm1, Andrey Kasyan, Peter Heider
1Institute of Organic Chemistry, RWTH Aachen, Professor-Pirlet-Str. 1, D-52056 Aachen, Germany. carsten.bolm@oc.rwth-aachen.de
Organic Letters
|June 21, 2002
Abstract:
[reaction: see text] Rhodium-catalyzed oxygen transfer was used to generate benzyl 2-silyl-2-oxoacetates in good yields. The hydrogenation of these compounds led to chiral alpha-silyl-substituted alpha-hydroxyacetic acids. Resolution by means of HPLC using a chiral stationary phase afforded an enantiomerically pure representative of this class of compounds, which was successfully applied as a chiral ligand in an asymmetric aldol-type reaction.