Aldolization and carboxylation reactions from a-silyl-b-lactams. A combined theoretical and experimental study.
[摘要]:Treatment of a-silyl-b-lactam I with TBAF in the presence of an aldehyde or carbon dioxide leads, with total trans stereoselectivity, to the corresponding aldol or carboxy adducts. Semiempirical calcns. account for this result.
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