An efficient method for the vicinal acylation of unactivated olefins using keteniminium salts derived from protected α-hydroxy- or α-aminoacids
Keteniminium salts derived from O-methylglycolic or N-tosylsarcosine amides cycloadd to olefins to give good yields of the corresponding cyclobutanones which undergo regiospecific Baeyer-Villiger oxidation to form γ-butyrolactones.
Genicot,Gobeaux,Ghosez
p. 3827 - 3830
(2007/10/02)
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