Lignans from the stems of Clerodendrum inerme Gaertn

The polar constituents of Clerodendrum inerme collected from coastal area of Thai Binh province were investigated. From the water soluble fraction of the C. inerme stems, four lignan and lignan glucosides (1‐4) along with a phenolic glucoside (5) were isolated. Their chemical structures were establi...

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Bibliographic Details
Published in:Vietnam journal of chemistry 2021-04, Vol.59 (2), p.187-191
Main Authors: Minh, Tran Thi, Thuong, Nguyen Thi Minh
Format: Article
Language:English
Subjects:
Clerodendrum inerme
lignan
lignan glucosides
stems
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Summary:The polar constituents of Clerodendrum inerme collected from coastal area of Thai Binh province were investigated. From the water soluble fraction of the C. inerme stems, four lignan and lignan glucosides (1‐4) along with a phenolic glucoside (5) were isolated. Their chemical structures were established as icariol A2 (1), syringaresinol‐4‐O‐β‐glucopyranoside (2), lariciresinol‐4‐O‐β‐D‐glucopyranoside (3), dehydrodiconiferyl alcohol‐4‐O‐β‐D‐glucopyranoside (4) and leonuriside A (5) by NMR spectroscopic and mass spectrometric analysis as well as comparison with those reported in the literature. Compounds 1, 2, 3 and 5 were found for the first time from this plant.
ISSN:0866-7144
2572-8288
2572-8288
DOI:10.1002/vjch.202000164