Tetrahedron p. 10469 - 10480 (1998)
Update date:2022-08-30
Topics:
Ebinger, Alexander
Heinz, Thomas
Umbricht, Gisela
Pfaltz, Andreas
Copper(I) complexes derived from semicorrins, azasemicorrins and bisoxazolines are efficient catalysts for the enantioselective cyclopropanation of silyl enol ethers with diazoacetates. The resulting cyclopropanes can be converted to γ-ketocarboxylates by
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