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New syntheses of the marine alkaloids eudistomins D and U

✍ Scribed by Patrick Rocca; Francis Marsais; Alain Godard; Guy Quéguiner; Luqman Adams; Babajide Alo

Publisher
Elsevier Science
Year
1995
Tongue
French
Weight
160 KB
Volume
36
Category
Article
ISSN
0040-4039

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Iminophosphorane-mediated synthesis of 1-acyl-β-carbolines: A new access to the alkaloids eudistomin T, S and xestomanzamine A of marine origin
✍ Pedro Molina; Pilar M Fresneda; Sagrario García-Zafra 📂 Article 📅 1996 🏛 Elsevier Science 🌐 French ⚖ 250 KB

New syntheses of the alkaloids eudistomin T and S are described. The key step,formation of the 1-phenylacetyl fl-carboline, involves a tandem aza Wittig / electrocyclic ring closure process. The first synthesis of the alkaloid xestomanzamine A is achieved by coupling of a N-protected harmane, now av