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Sedum alkaloids. X. Structure and synthesis of new 3- and 5-hydroxypiperidine alkaloids

✍ Scribed by W. Ibebeke-Bomangwa; C. Hootelé(rk)

Publisher
Elsevier Science
Year
1987
Tongue
French
Weight
836 KB
Volume
43
Category
Article
ISSN
0040-4020

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✦ Synopsis

The structure and absolute configuration of (-)-3-hydroxynorallosedamine 1, (-)-3-hydroxyallosedamine 2 and (-)-5-hydroxysedam%e 2, three new minor alkaloids isolated from Sedum acre, are reported. A nitrone-based synthesis of the new bases is described.

📜 SIMILAR VOLUMES

A new synthesis of alkaloid (S)-3-hydrox
A new synthesis of alkaloid (S)-3-hydroxypiperidin-2-one and its O-TBS protected derivative
✍ Pei-Qiang Huang; Guo Chen; Xiao Zheng 📂 Article 📅 2007 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 253 KB

## Abstract magnified image From the known lactone (__S__)‐**4**, easily derived from L‐glutamic acid, a scalable approach to chiral building block __O__‐silylated 3‐hydroxypiperidin‐2‐one **3** and alkaloid **1** was achieved in five and six‐steps respectively. The key steps are a chemoselective