Indole Alkaloids from the Leaves of Alstonia villosa in Sunbawa (Alstonia 6).
Chemical and Pharmaceutical Bulletin
1998.0
Abstract
Seventeen alkaloids were isolated from the air-dried leaves of Alstonia villosa and their structures characterized. One of the seven new alkaloids was elucidated to be (19Z)-5α-methoxyrhazimine, having a 3,4-dihydroquinoline nucleus.