Isolation and characterization of new norneolignans from Clitoria ternatea L. roots.
The new compounds have been named clitorienolactones A–C as per IUPAC guidelines.
They possess a C8–C7′ linkage and an α,β-unsaturated-γ-lactone moiety.
Clitorienolactones have shown memory enhancing and AChEI activities.