Five lignans from the mangrove Rhizophora stylosa Griff.
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DOI:
https://doi.org/10.15625/0866-7144.2015-2e-010Keywords:
Rhizophora stylosa, mangrove, lignansAbstract
Five lignans (-)-(7R,8S)-dihydrodehydrodiconiferyl alcohol (1), (7S,8R)-3,3¢,5-trimethoxy-4¢,7-epoxy-8,5¢-neolignan-4,9,9¢-triol (2), (+)-isolariciresinol (3), polystachyol (4), (+)-pinoresinol (5) were isolated from the mangrove plant Rhizophora stylosa Griff.. The chemical structures of these compounds were elucidated by analysis of their NMR spectra and compared with those reported references. All these compounds were isolated from this plant for the first time.