Alkaloids from leaves and stem bark of Ervatamia corymbosa

Ervatamia corymbosa Roxb. ex Wall (Apocynaceae) is a tree growing to 15 meters in height in Malaysia. The different parts of this plant are used in traditional medicine for treatment of syphilic and orchitis ulcerations. Barks and roots are also utilised in making arrow poison (1). The present note reports on the isolation and identiflcation of the alkaloids from the Jeaves and stem bark of this species. This work is a part of our continuing research on the genus Ervatamia (2-4).