Four new lignans, curcasinlignan A (1), curcasinlignan B (2), curcasinlignan C (3), and curcasinlignan D (4), together with eight known compounds, (±)-rel-(2α,3β )-7-Omethylcedrusin (5), (±)-7R∗,8S∗-5-methoxydihydrodehydroconiferyl alcohol (6), dehydrodiisoeugeno1 (7), (threo)-1-(4-hydroxy-3-methoxyphenyl)-2-(4-formyl-2-methoxy-phenoxy)-propane- 1,3-diol (8), (±)-machilin D (9), (+)-pinoresinol (10), 5ʹ-methoxypropacin (11), and hemidesmin-2 (12), were isolated from the aerial parts of Jatropha curcas. Their structures were established on the basis of extensive spectroscopic analysis.
Graphical Abstract
New Lignans from Jatropha curcas Linn.
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