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ChemInform Abstract: Efficient Synthesis of Six-Membered Ring D Analogues of the Pentacyclic Alkaloid Cephalotaxine by Two Palladium-Catalyzed Reactions.

✍ Scribed by Lutz F. Tietze; Hartmut Schirok; Michael Woehrmann; Klaus Schrader

Publisher
John Wiley and Sons
Year
2001
Weight
33 KB
Volume
32
Category
Article
ISSN
0931-7597

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Efficient Synthesis of Six-Membered Ring
Efficient Synthesis of Six-Membered Ring D Analogues of the Pentacyclic Alkaloid Cephalotaxine by Two Palladium-Catalyzed Reactions
✍ LutzΒ F. Tietze; Hartmut Schirok; Michael WΓΆhrmann; Klaus Schrader πŸ“‚ Article πŸ“… 2000 πŸ› John Wiley and Sons 🌐 English βš– 488 KB πŸ‘ 2 views

D-homo-Cephalotaxine analogues 19 and 23 have been prepared by intramolecular Heck reactions of 12 and 22. The substrates 12 and 22 were obtained by alkylation and acyl- [a]