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Synfacts 2009(4): 0435-0435
DOI: 10.1055/s-0028-1087833
DOI: 10.1055/s-0028-1087833
Metal-Mediated Synthesis
© Georg Thieme Verlag
Stuttgart ˙ New York
Scandium-Catalyzed Homologation of Cycloalkanones with Diazo Compounds
D. C. Moebius, J. S. Kingsbury*
Boston College, Chestnut Hill, USA
Weitere Informationen
Publikationsverlauf
Publikationsdatum:
23. März 2009 (online)
Significance
The catalytic use of scandium(III) salts as Lewis acids allows the ring expansion of cyclic aliphatic ketones by carbon insertion from the reaction with diazo compounds obtained from ketones or aldehydes. The resulting monoalkylated or spiro ketones are obtained in very good yields.