Abstract

N- p-Anisyl-α-hydroxy amides are obtained in fair to good yields from pentacarbonyl[(tetramethylammonio)oxy]- carbene chromium(0) complexes in a two step, one pot, process. The reaction involves sequential treatment of the ammonium salts with TMSCl to form pentacarbonyl(silyloxycarbene)chromium(0) complexes, and further irradiation of these complexes in the presence of p-anisidine. Additionally, evidence of competitive nucleophile substitution at the carbene carbon by amines and Si-O bond cleavage in silyloxychromium carbene complexes is shown.

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