Preparation of β-aminoesters from ketene
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Alan.R. Katritzky; N. Shobana; Philip A. Harris
📂
Article
📅
1990
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Elsevier Science
🌐
French
⚖ 283 KB
## Abetmet: A wide variety ~&aminoe&ers are prepa& in good yields by the reaction c$ lithium ester enolates derived from ketene silyl acetals with N-(alkylamino)benzotriazoles. The seco&uy fl-aminoesters readily qyclize to &tactuma @azetidinones) on depn3tonation. &Aminoacids and their derivatives