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Research Article

New nor-lignans from the leaves of styrax annamensis guillaumin

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Received 09 Feb 2024, Accepted 11 May 2024, Published online: 21 May 2024
 

Abstract

Phytochemical study of the leaves of Styrax annamensis Guillaumin resulted in the isolation of a new natural product egonol-3’’-sulphate (1), and two new derivatives egonol-3-methyl-D-galactopyranoside (2) and 7-methoxy-2-(3’,4’-methylenedioxyphenyl)-benzofuran-5-carboxamide (3). Their chemical structures were ­elucidated by spectroscopic data. Compounds 1 and 3 significantly established a great role for the chemotaxonomic aspect. Compound 1 showed cytotoxicity against four cancer cell lines KB, HepG2, Lu, and MCF7 with the IC50 values of 84.90–101.69 µg/mL, and exhibited acetylcholinesterase (AChE) inhibitory activity with the IC50 value of 97.08 µg/mL.

Graphical Abstract

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This research was supported by a project from the Institute of Chemistry, VAST, under Grant No. CSCL06.01/22-23.

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