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Thermal rearrangements of some neo-clerodane diterpenoids

✍ Scribed by Maria C. De La Torre; Pilar Fernandez; Benjamin Rodriguez

Book ID
104204278
Publisher
Elsevier Science
Year
1987
Tongue
French
Weight
436 KB
Volume
43
Category
Article
ISSN
0040-4020

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✦ Synopsis

Some neo-clerodane diterpenoids isolated from plants belonging to the TeucG_am genus and possessing different functionalities at the C-6, C-7 and C-19 positlons were heated above their melting points without any solvent This treatment produced good yields of different rearranged products, which are useful intermedlates for the synthesis of other natural neo-clerodane derivatives.

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Rearranged neo-Clerodane Diterpenoids fr
Rearranged neo-Clerodane Diterpenoids from Teucrium brevifolium
✍ Benjamín Rodríguez; María C. de la Torre; Maurizio Bruno; Caterina Fazio; Franco 📂 Article 📅 1994 🏛 Elsevier Science 🌐 French ⚖ 572 KB

Two new diterpenoids, teubrevins A and B, have been isolated from the aerial parts of Teucrium brevifolium (Jabiie). The structures of teubrevin A [(1R,12S)-3~acetoxy&,18;15,16-diepoxy-6~-hydroxy-10-oxo-5,10-seco-1,6~yclo-neo-cleroda-5( 19).13(16),14-t&n-20,12-elide., 11 and its Ifi-hydroxy derivati