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Marine alkaloids. 12. Chartellines, halogenated .beta.-lactam alkaloids from the marine bryozoan Chartella papyracea

โœ Scribed by Anthoni, Uffe; Chevolot, Lionel; Larsen, Charles; Nielsen, Per H.; Christophersen, Carsten


Book ID
127251629
Publisher
American Chemical Society
Year
1987
Tongue
English
Weight
554 KB
Volume
52
Category
Article
ISSN
0022-3263

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Model studies on total synthesis of the
โœ Xichen Lin; Steven M Weinreb ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 66 KB

A chartelline alkaloid model system containing a spirocyclic b-lactam moiety and a,b-unsaturated imine has been constructed from isatin using a Staudinger imine-ketene cycloaddition and an addition to an N-activated g-lactam as key steps.