The alkaloids edulinine and (+/-) isoplatydesmine were isolated from the leaves of Amyris diatripa, being the first report of the presence of alkaloids in species of this genus. The presence of coumarins in the plant was also shown by isolation of psoralen, bergapten, marmesin, ulopterol and
Eight chemically defined, naturally occurring compounds were extracted from the tropical flora of the Caribbean island of Guadeloupe: pilocarpine, an alkaloid from Pilocarpus racemosus; heraclenol and isomeranzin, coumarins from Triphasia trifolia; lochnerin, an indole alkaloid from Rauwolfia