Page 202 - Phytochemistry 2 (06-PG 605)
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V-Lignans and flavonolignans
A-Lignans
They are derived biosynthetically from dimerization of two
C6-C3(hemilignan moieties) at the β-carbon of the side
chain. i.e.β-β-coupling.
They are optically active compounds.
Lignans
