Chemistry and Antifungal Activity of Homoisoflavonoids

Figure 1

Structural difference between the base skeleton of flavonoids, homoisoflavonoids, and isoflavonoids. (a) Base chemical structure of sappanin-type homoisoflavonoids. (b) Base chemical structure of flavonoids. (c) Base chemical structure of isoflavonoids.

(a)

(b)

(c)