Tetrahedron Letters p. 2079 - 2082 (1989)
Update date:2022-08-04
Topics:
Kunz, Thomas
Reissig, Hans-Ulrich
Up to 48percent enantiomeric excess have been attained by cyclopropanation of silyl enol ethers with methyl diazoacetate in the presence of optically active Cu-catalysts.Subsequent ring opening of resulting siloxycyclopropanes gives γ-oxocarboxylates with
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