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Planta Med 1991; 57(6): 569-571
DOI: 10.1055/s-2006-960208
DOI: 10.1055/s-2006-960208
Papers
© Georg Thieme Verlag Stuttgart · New York
New Diterpenoids from Euphorbia sieboldiana
Further Information
Publication History
1990
Publication Date:
05 January 2007 (online)
Abstract
From the acetone extract of roots of Euphorbia sieboldiana, three known diterpenes, ent-atisane-3β,16α,17-triol (1), ingenol (4), and helioscopinolide A (5) as well as two new diterpenes, 3β-O-acetyl-ent-atisane-16α,17-diol (2), and ingenol-20-palmitate (3) were isolated. Their structures were elucidated by spectroscopic methods and chemical transformations.
Key words
Euphorbia sieboldiana - Euphorbiaceae - diterpenes - 3β-O-acetyl-ent-atisane-16α,17-diol - ingenol-20-palmitate