From the flower buds of Magnolia saulangiana, seven lignans were isola
ted and characterized. One was a new lignan for which the name saulang
ianin and structure (3S,3aR)-3a-allyl-5-methoxy-3-methyl-2-(3',5' meth
ylene dioxybenzyl)-2,3,3a,4,5,6 hexahydro-6-oxobenzofuran, are propose
d.