Tetrahedron p. 2855 - 2870 (1997)
Update date:2022-08-03
Topics:
Landais, Yannick
Planchenault, Denis
Substituted α-silylacetic esters have been prepared in good yields and with reasonable diastereoselectivities by three different routes. The first two involved alkylation of the parent α-silylacetic ester enolates, with the chiral auxiliaries being present either on silicon or on the ester function. The third route involving asymmetric insertion of metal-carbenoids into the Si-H band was found to afford better diastereoselectivities, using pantolactane as chiral auxiliary.
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