Chemistry Reference
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Base
H
O
OH
O
O
OH
OH
H
Base
O
H
O
H
H
O
Base
H
O
H
MeO
MeO
O
O
Coniferyl Alcohol Radicals
O
O
O
HO
H
Base
(+)-Pinoresinol
FIGURE 6.12
Lignan biosynthesis is catalyzed by oxidative enzymes.
HO
H
O
O
O
H
O
H
3
CO
OCH
3
OCH
3
O
O
O
O
O
O
O
O
O
FIGURE 6.13
Other lignan structures represented by podophyllotoxin and stegnacin.
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