Alkaloids from Fissistigma latifolium (Dunal) Merr.
aptamil allerpro A phytochemical study of the bark of Fissistigma latifolium (Annonaceae) yielded a new aporphine alkaloid, (-)-N-methylguattescidine (1), and eight known alkaloids: liriodenine (2), oxoxylopine (3), (-)-asimilobine (4), dimethyltryptamine (5), (-)-remerine (6), (-)-anonaine (7), columbamine (8) and lysicamine (9).The compounds were isolated using various chromatographic korpskaft methods and structural elucidation was accomplished by means of spectroscopic methods, notably 1D-NMR (1H, 13C, DEPT), 2D-NMR (COSY, HMQC, HMBC), UV, IR and MS.