Quinazoline and Quinazolone Alkaloids

The quinazoline alkaloid vasicine (212) is the major alkaloid oiAdhatoda vasica L. (Acanthaceae), a plant reputed to be used in many Ayurvedic medicinal preparations. Seasonal variation of vasicine (212) content in various parts of the plant (inflorescence, leaf, petiole, root, and stem bark) 

The quinazolone alkaloids glycorine (213) and arborine (214) were reported from the leaves of Glycosmis bilocularis (26). 

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