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The preparation of acyltetracarbonylcobalt compounds from ketenes and hydridotetracarbonylcobalt

โœ Scribed by Ferenc Ungvary


Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
358 KB
Volume
303
Category
Article
ISSN
0022-328X

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Preparation of ฮฒ-aminoesters from ketene
โœ Alan.R. Katritzky; N. Shobana; Philip A. Harris ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 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