A New Lignan from the Leaves of Orthosiphon aristatus
CHEMISTRY OF NATURAL COMPOUNDS(2021)
Abstract
Investigation of the methanol extract of the leaves of Orthosiphon aristatus led to the isolation of four compounds. Their structures were elucidated on the basis of spectroscopic evidence and comparison with the literature. Among these compounds, compound 1 is a new lignan, and 2–4 were isolated from this plant for the first time.
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Key words
Orthosiphon aristatus,orthlignan,methyl syringate
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