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Phenyl propenoids from roots of Piper auritum

✍ Scribed by Muraleedharan G. Nair; John Sommerville; Basil A. Burke


Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
199 KB
Volume
28
Category
Article
ISSN
0031-9422

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## Abstract Using modern NMR techniques, including DQF‐COSY, NOESY, HETCOR and HMBC, the full assignments of all ^1^H and ^13^C chemical shifts were made for stigmastane‐3,6‐dione and stigmast‐4‐ene‐3,6‐dione, isolated from the roots of __Piper nigrum__ (Piperaceae). Their stereochemistry was resol